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water_n boil_v let_v little_a 6,333 5 5.4008 4 true
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A43083 The art of glass shewing how to make all sorts of glass, crystal and enamel : likewise the making of pearls, precious stones, china and looking-glasses : to which is added, the method of painting on glass and enameling : also how to extract the colours from minerals, metals, herbs and flowers ... : illustrated with proper sculptures / written originally in French, by Mr. H. Blancourt, and now first translated into English ; with an appendix, containing exact instructions for making glass-eyes of all colours.; De l'art de la verrerie. English Haudicquer de Blancourt, Jean, b. ca. 1650. 1699 (1699) Wing H1150; ESTC R16918 164,019 334

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fortis_fw-la of_o chap._n 52._o put_v one_o pound_n in_o a_o glass_n matrass_n with_o four_o ounce_n of_o leaf-silver_n to_o dissolve_v and_o stop_v the_o matras_n take_v another_o matras_n wherein_o put_v a_o pound_n of_o the_o same_o aqua_fw-la fortis_fw-la with_o five_o ounce_n of_o mercury_n purify_v with_o salt_n and_o vinegar_n after_o this_o manner_n take_v common_a salt_n sprinkle_v it_o with_o vinegar_n in_o a_o wooden-dish_n where_o add_v to_o it_o a_o little_a common_a fair_a water_n to_o make_v it_o dissolve_v put_v in_o your_o mercury_n and_o stir_v it_o well_o with_o a_o wooden-pestle_n to_o draw_v out_o the_o blackness_n repeat_v wash_v they_o often_o with_o fresh_a salt_n and_o vinegar_n till_o there_o be_v no_o more_o blackness_n then_o dry_v they_o with_o warm_a linen_n or_o cotton_n and_o pass_v it_o through_o the_o glove_n than_o it_o will_v be_v purify_v and_o fit_a to_o put_v in_o your_o aqua_fw-la fortis_fw-la when_o it_o be_v dissolve_v stop_v the_o matras_n and_o keep_v it_o take_v another_o glass_n body_n wherein_o put_v a_o pound_n of_o aqua_fw-la fortis_fw-la with_o three_o ounce_n of_o fine_a silver_n calcine_v amalgamate_fw-it they_fw-mi silver_n with_o the_o mercury_n as_o the_o goldsmith_n usual_o do_v and_o put_v it_o into_o a_o crucible_n with_o its_o weight_n of_o common_a salt_n purify_v as_o we_o have_v heretofore_o show_v then_o put_v the_o crucible_n on_o hot_a coal_n that_o the_o mercury_n may_v evaporate_v and_o that_o only_o the_o silver_n remain_v at_o bottom_n which_o will_v be_v purify_v and_o calcine_v then_o add_v to_o that_o calcine_v silver_n a_o equal_a weight_n of_o common_a salt_n purify_v as_o before_o mix_v they_o well_o together_o and_o put_v they_o over_o the_o fire_n in_o a_o crucible_n to_o calcine_v they_o afresh_o then_o wash_v they_o well_o with_o warm_a water_n to_o take_v out_o the_o salt_n then_o put_v this_o silver_n into_o a_o glass_n vial_n fill_v with_o common_a water_n which_o boil_v till_o one_o four_o part_n be_v consume_v then_o let_v it_o cool_v and_o settle_v to_o the_o bottom_n then_o decant_v off_o the_o water_n and_o put_v more_o upon_o it_o reiterate_v this_o process_n with_o fresh_a water_n three_o time_n and_o at_o the_o four_o dry_a the_o silver_n and_o put_v it_o into_o your_o aqua_fw-la fortis_fw-la and_o stir_v it_o well_o and_o stop_v the_o matras_n we_o have_v promise_v to_o give_v the_o way_n of_o purify_n common_a salt_n which_o be_v this_o take_v what_o quantity_n you_o will_v of_o sea-salt_n dissolve_v it_o in_o a_o convenient_a quantity_n of_o common_a water_n boil_v it_o for_o the_o space_n of_o two_o hour_n then_o let_v the_o water_n rest_n that_o the_o earthy_a part_n of_o the_o salt_n may_v settle_v to_o the_o bottom_n then_o filter_n the_o water_n and_o evaporate_v it_o in_o a_o earthen_a vessel_n or_o rather_o in_o a_o glass_n cucurbit_n till_o the_o salt_n remain_v dry_a at_o the_o bottom_n dissolve_v this_o salt_n again_o make_v the_o water_n boil_v then_o let_v it_o stand_v for_o the_o dregs_o to_o settle_v after_o which_o filter_n it_o and_o evaporate_v it_o as_o before_o which_o you_o must_v continue_v to_o do_v till_o it_o leave_v no_o more_o faeces_fw-la or_o dregs_o and_o it_o will_v be_v well_o purify_v and_o prepare_v to_o continue_v our_o preparation_n of_o the_o material_n you_o must_v put_v into_o a_o glass_n matras_n a_o pound_n of_o aqua_fw-la fortis_fw-la with_o three_o ounce_n of_o purify_a salarmoniac_a that_o be_v to_o say_v filter_v and_o whiten_v till_o it_o leave_v no_o faeces_fw-la or_o dregs_o as_o we_o have_v show_v in_o common_a salt_n then_o dissolve_v in_o that_o water_n a_o quarter_n of_o a_o ounce_n of_o silver_n and_o stop_v the_o vessel_n well_o take_v another_o glass_n matras_n and_o put_v into_o it_o also_o a_o pound_n of_o aqua_fw-la fortis_fw-la with_o two_o ounce_n of_o salarmoniac_a be_v dissolve_v put_v into_o that_o water_n of_o cinnabar_fw-la of_o crocus_n martis_n calcine_v with_o sulphur_n as_o above_o of_o vltramarine_n and_o of_o ferretto_n of_o spain_n prepare_v as_o in_o chap._n 22._o of_o each_o half_n a_o ounce_n the_o whole_a well_o pound_v into_o powder_n you_o must_v do_v this_o little_a by_o little_a as_o we_o have_v heretofore_o hint_v for_o fear_n of_o break_v the_o vessel_n by_o the_o fermentation_n which_o they_o make_v with_o the_o aqua_fw-la fortis_fw-la then_o stop_v the_o matras_n put_v into_o another_o matras_n a_o pound_n of_o aqua_fw-la fortis_fw-la and_o dissolve_v in_o it_o two_o ounce_n of_o salarmoniac_a as_o before_o add_v to_o it_o of_o crocus_n martis_n calcine_v as_o in_o chap._n 25_o with_o calcine_v tin_n know_v among_o the_o glass-man_n of_o zaffer_n describe_v in_o chap._n 17._o and_o of_o cinnabar_fw-la of_o each_o half_n a_o ounce_n the_o whole_a well_o powder_v and_o cast_v little_a by_o little_a into_o your_o matras_n for_o the_o reason_n before_o assign_v which_o require_v that_o great_a precaution_n then_o stop_v the_o 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antimony_n and_o as_o much_o caput_fw-la mortuum_n of_o vitriol_n purify_v the_o whole_a well_o pulverise_v then_o stop_v the_o matras_n take_v another_o glass_n matras_n put_v into_o it_o one_o pound_n of_o aqua_fw-la fortis_fw-la with_o two_o ounce_n of_o salarmoniac_a add_v to_o that_o water_n of_o orpiment_n of_o white_a arsenic_n of_o painter_n lake_n half_o a_o ounce_n of_o each_o the_o whole_a be_v well_o powder_v and_o put_v into_o a_o matras_n with_o the_o same_o precaution_n as_o before_o stop_v it_o well_o we_o have_v not_o repeat_v at_o each_o operation_n that_o you_o must_v put_v your_o matras_n on_o a_o ash_n furnace_n over_o a_o gentle_a heat_n or_o in_o a_o warm_a bath_n to_o hasten_v the_o solution_n of_o the_o material_n because_o we_o have_v tell_v you_o it_o must_v be_v always_o do_v in_o chap._n 58_o in_o speak_v of_o the_o preparation_n of_o those_o thing_n which_o serve_v to_o thing_fw-mi the_o first_fw-mi species_n of_o chalcedony_n which_o may_v suffice_v for_o the_o instruction_n of_o those_o who_o employ_v themselves_o in_o this_o art_n we_o will_v add_v that_o all_o the_o nine_o matrass_n mention_v in_o this_o chapter_n must_v remain_v fifteen_o day_n in_o the_o same_o heat_n stir_v they_o often_o every_o day_n that_o the_o water_n may_v the_o better_o operate_v on_o the_o material_n subtilize_v they_o and_o well_o open_v their_o tincture_n then_o put_v all_o these_o material_n with_o the_o aqua_fw-la fortis_fw-la into_o a_o great_a glass_n body_n little_a by_o little_a that_o they_o may_v unite_v well_o together_o close_o the_o body_n and_o set_v it_o in_o the_o same_o heat_n stir_v it_o well_o for_o six_o day_n after_o that_o take_v a_o great_a glass_n cucurbit_n well_o lute_v half_a way_n up_o the_o body_n of_o it_o put_v it_o on_o a_o ash_n furnace_n put_v into_o it_o all_o the_o material_n out_o of_o your_o body_n fit_a to_o it_o a_o head_n and_o receiver_n lute_n well_o all_o the_o joint_n then_o distil_v it_o during_o the_o space_n 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of_o a_o very_a fine_a diamond_n colour_n hard_a shine_a and_o sparkle_v like_o the_o true_a one_o which_o you_o may_v polish_v and_o work_v up_o as_o the_o goldsmith_n this_o sulphurous_a trepoly_n which_o enter_v into_o the_o composition_n of_o this_o paste_n be_v not_o common_o know_v we_o will_v show_v the_o way_n of_o make_v it_o that_o we_o may_v leave_v nothing_o imperfect_a which_o may_v be_v any_o obstruction_n to_o the_o proceed_n of_o the_o curious_a take_v equal_a part_n of_o trepoly_n of_o crude_a antimony_n and_o common_a sulphur_n and_o grind_v they_o to_o a_o fine_a powder_n on_o a_o porphyry_n stone_n and_o make_v they_o into_o a_o paste_n with_o vinegar_n which_o be_v dry_a will_v easy_o crumble_v this_o be_v the_o sulphurous_a trepoly_n which_o we_o make_v use_v of_o some_o person_n in_o make_v the_o same_o process_n of_o take_v away_o the_o colour_n from_o jargons_n and_o give_v they_o the_o hardness_n and_o whiteness_n of_o diamond_n have_v make_v use_n of_o barly-meol_a wherewith_o they_o make_v a_o paste_n with_o distil_a vinegar_n impregnate_v with_o lead_n wherewith_o they_o stratifie_v their_o stone_n or_o jargons_n in_o a_o crucible_n cover_v with_o another_o and_o well_o lute_v which_o they_o afterward_o put_v in_o a_o gradual_a round_a or_o wheel_n fire_n for_o six_o hour_n but_o this_o way_n they_o can_v not_o give_v they_o the_o true_a diamond-colour_n wherefore_o i_o advise_v those_o who_o will_v try_v this_o experiment_n to_o follow_v our_o first_o process_n which_o have_v several_a time_n succeed_v there_o be_v moreover_o some_o who_o stratifie_v their_o stone_n with_o pound_a coal_n which_o they_o put_v in_o a_o crucible_n cover_v and_o lute_v which_o they_o set_v on_o the_o fire_n six_o hour_n so_o that_o the_o crucible_n be_v always_o red_a hot_a i_o do_v approve_v of_o this_o way_n because_o the_o coal_n may_v dry_v the_o humour_n of_o the_o stone_n and_o calcine_v it_o chap._n cxxxix_o the_o way_n to_o make_v diamond_n the_o quality_n and_o colour_n of_o the_o diamond_n be_v so_o well_o know_v we_o shall_v not_o enlarge_v upon_o they_o in_o this_o chapter_n but_o only_o show_v the_o way_n to_o counterfeit_v they_o make_v they_o endure_v the_o fire_n and_o harden_v they_o take_v of_o good_a natural_a crystal_n calcine_v and_o reduce_v to_o subtle_a powder_n what_o quantity_n you_o please_v fill_v a_o pot_n with_o it_o and_o set_v it_o in_o a_o glass-house_n furnace_n twelve_o hour_n to_o be_v melt_v and_o purify_v then_o drop_v the_o melt_a matter_n into_o cold_a water_n then_o dry_v it_o and_o reduce_v it_o again_o to_o powder_n add_v to_o that_o powder_n its_o weight_n of_o our_o fine_a salt_n of_o tartar_n of_o chap._n 93._o mix_v these_o two_o powder_n well_o and_o make_v little_a pill_n of_o they_o with_o common_a water_n then_o wipe_v these_o pill_n and_o put_v they_o into_o a_o earthen_a pot_n on_o a_o strong_a fire_n there_o to_o grow_v red_a hot_a for_o twelve_o hour_n space_n without_o 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that_o undertake_v to_o do_v they_o have_v experiment_v any_o thing_n of_o the_o like_a nature_n before_o and_o know_v the_o nature_n and_o property_n and_o power_n of_o his_o subject_n although_o the_o imperfect_a metal_n be_v immature_n or_o unripe_a they_o contain_v notwithstanding_o a_o great_a deal_n of_o fix_a and_o volatile_a gold_n which_o may_v be_v easy_o separate_v or_o attract_v out_o by_o mean_n of_o art_n imperfect_a metal_n may_v be_v very_o much_o meliorate_v by_o fire_n by_o a_o proportionable_a and_o agreeable_a coction_n there_o be_v also_o crystal_n and_o precious_a stone_n which_o have_v no_o natural_a hardness_n which_o may_v be_v give_v they_o by_o art_n have_v all_o the_o natural_a disposition_n thereunto_o require_v since_o they_o have_v the_o same_o principle_n as_o the_o most_o fine_a and_o that_o they_o only_o want_v a_o little_a sulphur_n which_o hinder_v their_o thorough_a coction_n thus_o this_o defect_n may_v be_v obviate_v in_o precious_a stone_n as_o 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of_o tin_n like_o those_o you_o put_v behind_o looking-glass_n then_o let_v they_o be_v set_v by_o some_o good_a goldsmith_n and_o they_o can_v scarce_o be_v distinguish_v from_o fine_a one●_n except_o by_o very_o nice_a discerner_n chap._n cxlii_o another_o way_n to_o harden_v crystal_n and_o diamond_n of_o alencon_n crystal_n also_o acquire_v hardness_n in_o the_o paste_n we_o be_v now_o go_v to_o describe_v because_o their_o humidity_n exhale_v and_o they_o become_v more_o fix_v take_v barly-meal_n well_o sift_v with_o petroleum_n or_o rock-oyl_n then_o cut_v that_o paste_n in_o the_o middle_n and_o put_v all_o your_o stone_n in_o order_n so_o that_o they_o may_v not_o touch_v one_o another_o then_o cover_v your_o stone_n with_o the_o other_o half_a of_o the_o paste_n than_o put_v it_o in_o a_o crucible_n cover_v with_o another_o and_o lute_v well_o together_o and_o let_v it_o dry_v then_o set_v this_o crucible_n in_o a_o gradual_a wheel-fire_n from_o five_o to_o six_o hour_n a_o small_a fire_n the_o two_o first_o hour_n which_o increase_n from_o two_o to_o two_o hour_n till_o the_o end_n of_o the_o six_o then_o let_v the_o whole_a cool_a of_o itself_o then_o break_v your_o crucible_n and_o you_o will_v find_v your_o stone_n very_o fine_a shine_a and_o sparkle_v like_o fine_a diamond_n which_o repolish_a at_o the_o wheel_n and_o set_v by_o a_o skilful_a workman_n chap._n cxliii_o a_o way_n to_o harden_v crystal_n and_o diamond_n of_o alencon_n and_o to_o make_v they_o sparkle_v as_o much_o as_o natural_a oriental_a diamond_n although_o this_o be_v a_o important_a secret_n and_o ill_a people_n may_v commit_v cheat_n by_o it_o yet_o i_o will_v here_o give_v it_o for_o the_o sake_n of_o the_o curious_a who_o only_o seek_v for_o their_o own_o satisfaction_n take_v one_o pound_n of_o loadstone_n a_o pound_n of_o quicklime_n and_o half_a a_o
figure_n be_v draw_v or_o impress_v thereon_o and_o this_o may_v be_v so_o far_o improve_v and_o heighten_v as_o to_o admit_v of_o performance_n rather_o to_o be_v think_v the_o essay_n of_o a_o divine_a than_o human_a artist_n witness_v that_o notable_a piece_n of_o chariot_n draw_v by_o two_o ox_n of_o which_o cardan_n take_v notice_n in_o the_o fifty_o second_o chapter_n of_o his_o ten_o book_n which_o be_v so_o complete_o do_v in_o little_a that_o the_o whole_a may_v be_v cover_v with_o the_o wing_n of_o a_o fly_n the_o ship_n rig_v and_o man_n arm_v which_o howel_n say_v he_o see_v those_o little_a statue_n of_o man_n with_o several_a other_o curiosity_n of_o figure_n vormicus_fw-la also_o assure_v of_o not_o to_o omit_v the_o church_n of_o st._n mark_v at_o venice_n where_o the_o mosaick-work_a be_v plentiful_o interlace_v with_o history_n of_o all_o sort_n distinguishable_a by_o the_o variety_n of_o colour_n and_o gilding_n and_o all_o consist_v of_o several_a different_a subject_n in_o short_a what_o account_n agricola_n have_v leave_v we_o of_o these_o matter_n in_o his_o twelve_o book_n give_v we_o no_o less_o cause_n to_o admire_v this_o art_n than_o he_o have_v when_o he_o see_v such_o notable_a piece_n of_o which_o he_o make_v mention_n and_o which_o he_o assure_v we_o be_v deserve_o very_o great_a the_o use_n of_o enamel_n be_v very_o ancient_a however_o that_o of_o work_v on_o metal_n be_v more_o modern_a and_o for_o the_o great_a perfection_n to_o which_o it_o be_v arrive_v we_o be_v oblige_v to_o this_o present_a age_n as_o we_o shall_v further_o show_v in_o the_o seven_o book_n where_o we_o will_v also_o endeavour_v to_o discover_v further_o and_o make_v great_a improvement_n therein_o chap._n cxlviii_o to_o prepare_v the_o matter_n for_o enamel_n now_o we_o proceed_v to_o show_v the_o ingredient_n by_o which_o the_o principal_a matter_n for_o enamel_n be_v prepare_v before_o the_o colour_n can_v be_v apply_v of_o which_o we_o shall_v give_v direction_n in_o the_o follow_a chapter_n take_v lead_n in_o pig_n thirty_o pound_n plate-tin_n of_o cornwall_n thirty_o three_o pound_n mix_v and_o calcine_v they_o as_o direct_v for_o lead_n in_o chap._n lxxxi_o precise_o observe_v the_o direction_n there_o lay_v down_o this_o do_v fierce_o the_o calx_fw-la and_o put_v it_o all_o into_o a_o glaze_v earthen_a pot_n fill_v with_o water_n put_v it_o over_o a_o fire_n and_o let_v it_o boil_v a_o little_a then_o take_v it_o off_o and_o pour_v the_o water_n gentle_o into_o another_o vessel_n which_o will_v carry_v along_o with_o it_o the_o more_o subtle_a calx_fw-la repeat_v this_o until_o no_o more_o of_o the_o calx_fw-la can_v be_v subtilise_v which_o you_o may_v discover_v by_o the_o pureness_n of_o the_o water_n in_o pour_v it_o out_o of_o one_o vessel_n into_o the_o other_o after_o this_o calcine_v the_o remain_n of_o what_o be_v in_o the_o first_o pot_n as_o before_o and_o thus_o continue_v to_o calcine_v and_o subtilizetill_o you_o can_v get_v no_o more_o of_o the_o subtle_a calx_fw-la last_o put_v the_o water_n out_o of_o all_o your_o receiver_n into_o large_a and_o set_v it_o on_o a_o slow_a fire_n to_o evaporate_v the_o fire_n must_v be_v very_o gentle_a for_o this_o reason_n that_o the_o calx_fw-la do_v not_o founder_v or_o fall_v to_o the_o bottom_n but_o continue_v more_o fine_a and_o subtle_a than_o when_o it_o be_v first_o calcine_v your_o calx_fw-la be_v thus_o prepare_v take_v thereof_o about_o fifty_o pound_n and_o as_o much_o fritt_n of_o white_a tarso_n beat_v and_o sear_v as_o direct_v chap._n vi_o to_o these_o add_v eight_o ounce_n of_o salt_n of_o tartar_n fine_o sear_v and_o prepare_v as_o in_o chap._n xv._n mix_v all_o these_o powder_n very_o well_o together_o in_o a_o pot_n and_o let_v it_o stand_v in_o the_o glass-house_n furnace_n or_o oven_n about_o ten_o hour_n to_o digest_v and_o purify_v then_o take_v they_o out_o and_o reduce_v they_o to_o a_o impalpable_a powder_n keep_v it_o in_o a_o close_a dry_a place_n for_o use_n thus_o must_v your_o matter_n for_o enamel_n be_v prepare_v to_o receive_v the_o colour_n but_o of_o that_o more_o hereafter_o chap._n cxlix_o to_o make_v enamel_n of_o a_o milkwhite_a colour_n this_o colour_n of_o all_o other_o be_v the_o pure_a it_o be_v use_v for_o the_o ornament_n of_o virginity_n the_o emblem_n of_o innocence_n as_o also_o the_o symbol_n of_o candour_n and_o chastity_n nay_o more_o we_o may_v even_o from_o it_o form_n a_o pretty_a and_o impressive_a idea_n of_o the_o brightness_n and_o excellency_n of_o faith_n and_o it_o be_v what_o have_v ever_o be_v esteem_v and_o revere_v by_o all_o nation_n we_o have_v already_o show_v how_o to_o thing_fw-mi glass_n of_o this_o colour_n in_o chap._n lxx_o of_o the_o three_o book_n and_o now_o we_o will_v show_v how_o to_o perform_v the_o like_a on_o enamel_n with_o no_o less_o beauty_n and_o very_o easy_o thus_o take_v six_o pound_n of_o our_o prepare_a powder_n in_o the_o former_a chapter_n and_o forty_o eight_o grain_n of_o magnese_n of_o piedmont_n prepare_v as_o in_o chap._n xviii_o put_v they_o will_v together_o into_o one_o of_o your_o furnace-pot_n to_o melt_v and_o purify_v over_o a_o very_a swift_a fire_n which_o will_v be_v do_v in_o a_o little_a time_n the_o matter_n be_v thus_o melt_v take_v it_o out_o of_o the_o pot_n and_o throw_v it_o into_o very_o fair_a water_n and_o be_v afterward_o dry_v put_v it_o again_o into_o the_o pot_n to_o melt_v do_v thus_o with_o it_o thrice_o change_v the_o water_n when_o you_o have_v thus_o purify_v it_o if_o you_o find_v it_o just_o white_a it_o be_v good_a but_o if_o it_o be_v greenish_a add_v a_o little_a more_o magnese_n and_o it_o will_v become_v white_a as_o milk_n and_o fit_a enamel_n for_o gold_n or_o other_o metal_n take_v it_o off_o the_o fire_n and_o make_v it_o up_o into_o cake_n and_o keep_v they_o for_o use_v chap._n cl._n a_o turcoise-blue_a enamel_n this_o colour_n of_o the_o turcois_n or_o turkey-stone_n be_v very_o fine_a for_o enamel_n but_o withal_o very_o difficult_a to_o make_v well_o and_o require_v a_o great_a deal_n of_o experience_n now_o it_o be_v sufficient_o know_v that_o practice_n will_v at_o length_n make_v the_o most_o uneasy_a beginner_n master_n of_o their_o trade_n therefore_o we_o must_v not_o be_v discourage_v if_o we_o fail_v in_o our_o first_o trial_n because_o by_o continue_v to_o repeat_v they_o we_o shall_v at_o length_n be_v sure_a to_o perform_v well_o it_o be_v always_o suppose_v you_o understand_v your_o undertake_n and_o be_v sufficient_o qualify_v to_o distinguish_v when_o you_o be_v in_o the_o right_n or_o wrong_n or_o you_o can_v never_o hope_v to_o succeed_v for_o this_o cause_n we_o ought_v not_o to_o stand_v doze_v on_o every_o unsuccess_n for_o nature_n which_o never_o fail_v will_v still_o be_v ready_a to_o inform_v we_o provide_v we_o have_v judgement_n enough_o to_o determine_v her_o precept_n though_o we_o have_v take_v occasion_n from_o the_o turcois_n to_o make_v this_o digression_n here_o it_o may_v nevertheless_o be_v a_o convenient_a enough_o consideration_n in_o case_n of_o a_o sublime_a nature_n even_o in_o all_o the_o undertake_n of_o man._n since_o we_o be_v so_o natural_o apt_a to_o be_v impatient_a and_o disturb_v if_o we_o can_v effect_v those_o matter_n in_o as_o it_o be_v a_o moment_n of_o time_n which_o nature_n itself_o take_v a_o whole_a age_n to_o perform_v and_o this_o be_v what_o most_o arrest_v the_o accomplishment_n of_o our_o great_a design_n and_o impose_v on_o we_o a_o seem_a impossibility_n in_o the_o most_o easy_a thing_n thus_o obscurity_n interpose_v in_o the_o bright_a essay_n of_o the_o sun_n and_o we_o can_v enjoy_v one_o day_n though_o never_o so_o serene_a and_o fair_a that_o be_v not_o more_o or_o less_o over-shadowed_n with_o cloud_n thus_o far_o i_o have_v make_v my_o attempt_n on_o this_o thought_n which_o i_o hope_v the_o learned_a will_v free_o pardon_v because_o i_o have_v discourse_v nothing_o but_o truth_n and_o what_o they_o already_o be_v much_o more_o familiar_a with_o and_o satisfy_v of_o but_o now_o for_o our_o enamel_n which_o to_o make_v of_o this_o turcois_fw-fr 〈◊〉_d you_o must_v put_v of_o our_o prepare_a powder_n chap._n cxl●●●●_n six_o pound_n into_o a_o white_a glaze_v pot_n to_o melt_v and_o purify_v it_o then_o cast_v it_o into_o water_n and_o when_o dry_a put_v it_o again_o into_o the_o pot_n and_o be_v melt_v over_o again_o add_v to_o it_o at_o four_o time_n this_o composition_n scale_n of_o copper_n thrice_o calcine_v as_o in_o chap._n xxxiv_o three_o ounce_n of_o prepare_a zaffer_n eighty_o six_o grain_n of_o 〈◊〉_d prepare_v as_o in_o book_n i._n forty_o eight_o grain_n all_o these_o mix_v and_o reduce_v into_o a_o very_a fine_a powder_n stir_v the_o matter_n
as_o possible_a and_o so_o let_v it_o dry_v thorough_o afterward_o moisten_v the_o paper_n on_o the_o blank-side_n and_o with_o a_o blunt_a graver_n draw_v off_o and_o trace_v the_o line_n of_o the_o picture_n which_o will_v afterward_o remain_v perfect_a and_o distinct_o on_o the_o varnish-side_n of_o your_o glass_n quarre_n this_o draught_n be_v for_o the_o model_n you_o must_v paint_v your_o filling_n in_o and_o observe_v that_o the_o tracing_n and_o stroke_n of_o the_o picture_n be_v to_o serve_v you_o in_o shadow_v which_o can_v be_v reject_v without_o disadvantage_n to_o your_o piece_n the_o manner_n of_o paint_v on_o glass_n be_v quite_o contrary_a to_o that_o of_o limn_v or_o paint_v on_o cloth_n or_o wood_n for_o in_o this_o the_o paint_n be_v but_o on_o one_o side_n be_v plain_o visible_a on_o the_o other_o here_o the_o set_v off_o be_v first_o do_v than_o the_o compound_a colour_n just_a run_v over_o and_o so_o continue_v until_o perfect_v whereas_o on_o linen_n etc._n etc._n the_o settings-off_a or_o heightning_n be_v the_o last_o stroke_n and_o their_o ground-colour_n or_o first_o be_v that_o which_o we_o end_v withal_o and_o make_v our_o last_o lay_n with_o in_o all_o piece_n do_v on_o glass_n we_o do_v not_o show_v the_o way_n to_o make_v up_o the_o colour_n nor_o how_o to_o mix_v and_o finish_v the_o artificial_a one_o for_o that_o relate_v immediate_o to_o the_o art_n of_o paint_v of_o which_o several_a piece_n be_v extant_a and_o not_o to_o this_o art_n of_o glass_n and_o these_o note_v herein_o be_v the_o same_o as_o in_o the_o other_o art_n of_o paint_v on_o cloth_n and_o not_o very_o uneasy_o prepare_v you_o must_v also_o paint_v on_o glass_n just_a as_o in_o miniature_n with_o water-colour_n lay_v your_o picture_n underneath_o it_o as_o before_z and_o this_o will_v show_v fine_a than_o if_o do_v in_o oil_n beside_o the_o colour_n dry_a in_o a_o moment_n your_o piece_n be_v thus_o do_v in_o oil_n or_o water-colour_n may_v receive_v a_o very_a additional_a and_o improve_n beauty_n by_o over-laying_a all_o the_o colour_n except_o the_o ground_n with_o leaf-silver_n which_o will_v appear_v very_o glorious_a and_o lively_a on_o such_o as_o be_v transparent_a to_o wit_n lake_n verditer_n etc._n etc._n chap._n ccxv_o the_o manner_n of_o gild_v on_o glass_n we_o promise_v to_o show_v this_o way_n of_o gild_v on_o glass_n after_o we_o have_v do_v with_o paint_v and_o this_o we_o will_v discharge_v here_o take_v any_o glass_n you_o please_v and_o moisten_v it_o over_o where_o you_o design_v to_o gild_v with_o gum-water_n apply_v your_o leaf-gold_n and_o so_o let_v it_o dry_v cover_v the_o glass_n over_o with_o any_o piece_n of_o hollow_a glass_n and_o set_v it_o on_o a_o iron-plate_n at_o the_o mouth_n of_o the_o furnace_n to_o heat_v gentle_o and_o when_o it_o be_v well_o heat_v move_v it_o in_o further_a and_o in_o a_o very_a little_a time_n it_o will_v be_v red_a hot_a then_o withdraw_v it_o and_o let_v it_o cool_v slow_o at_o the_o furnace_n mouth_n thus_o if_o you_o have_v lay_v your_o gold_n well_o on_o at_o first_o you_o will_v find_v it_o so_o well_o communicate_v to_o the_o glass_n that_o it_o be_v impossible_a for_o any_o trial_n to_o endamage_v the_o gild_v and_o after_o this_o method_n you_o may_v do_v with_o globe_n and_o give_v they_o a_o wonderful_a beauty_n which_o no_o dust_n nor_o injury_n of_o time_n can_v alter_v chap._n ccxvi_o another_o way_n to_o gilled_a glass_n this_o second_o way_n be_v altogether_o as_o fine_a as_o the_o other_o beside_o the_o gilding_n be_v better_a coated_a and_o less_o expose_v to_o injury_n take_v a_o glass_n and_o moisten_v it_o every_o where_o you_o design_n to_o gilled_a with_o gum-water_n and_o lay_v on_o your_o leaf-gold_n let_v it_o dry_a this_o do_v run_v the_o gold_n over_o with_o water_n wherein_o borax_n have_v be_v dissolve_v and_o so_o dust_n it_o with_o impalpable_a powder_n of_o glass_n set_v it_o afterward_o by_o degree_n into_o your_o furnace_n until_o it_o become_v red_a hot_a and_o the_o powder_n on_o the_o gilding_n be_v melt_v and_o run_v then_o draw_v it_o out_o leisurely_o let_v it_o cool_a at_o the_o mouth_n of_o the_o furnace_n and_o you_o will_v have_v your_o glass_n very_o fine_o gild_a so_o that_o nothing_o in_o nature_n can_v spoil_v it_o unless_o it_o be_v break_v or_o you_o may_v gilled_a on_o glass_n with_o linseed-oyl_n etc._n etc._n as_o in_o chap._n 198._o after_o the_o same_o manner_n as_o on_o china_n but_o the_o way_n we_o have_v just_a now_o give_v be_v so_o fine_a that_o we_o look_v upon_o they_o to_o be_v more_o excellent_a such_o as_o will_v make_v a_o choice_n may_v work_v by_o direction_n in_o this_o present_a chapter_n chap._n ccxvii_o to_o imitate_v precious-stone_n in_o colour_n on_o globe_n or_o other_o vessel_n of_o white_a glass_n this_o way_n of_o ting_a be_v different_a from_o what_o we_o have_v already_o give_v and_o because_o we_o will_v not_o willing_o leave_v out_o any_o thing_n that_o may_v serve_v the_o curious_a we_o will_v give_v the_o method_n in_o this_o chapter_n you_o may_v thus_o thing_fw-mi any_o vessel_n of_o white_a glass_n either_o globular_a or_o concave_a with_o mouth-glue_a let_v it_o soak_v in_o water_n for_o two_o day_n and_o so_o boil_v it_o afterward_o until_o it_o be_v all_o melt_v and_o let_v it_o cool_v ●_o little_a pour_v it_o milk-warm_a into_o your_o globe_n or_o other_o vessel_n shake_v it_o therein_o to_o wet_v it_o all_o over_o and_o so_o pou●_n it_o out_o again_o then_o your_o colour_n be_v all_o ready_a i●_n powder_n first_o blow_n in_o the_o vermilion_n through_o 〈◊〉_d hollow_a pipe_n so_o as_o to_o represent_v cloud_n or_o waving_n in_o like_a manner_n blow_v in_o the_o blue-enamel_n scale_n of_o copper_n orpiment_n and_o lake_n all_o in_o fine_a powder_n these_o colour_n will_v stick_v in_o undulation_n because_o the_o glue_n be_v moist_a you_o may_v do_v thus_o with_o any_o other_o colour_n this_o do_v take_v plaster_n well_o pulverise_v and_o put_v a_o good_a quantity_n thereof_o into_o the_o vessel_n and_o shake_v it_o well_o all_o over_o before_o and_o until_o the_o glue_n be_v quite_o dry_a and_o it_o will_v stick_v all_o round_a then_o shake_v out_o what_o remain_v loose_a and_o you_o will_v have_v the_o outside_n fine_o particoloured_a and_o marble_a etc._n etc._n when_o these_o colour_n be_v well_o dry_v they_o will_v stick_v so_o to_o the_o inside_n that_o they_o will_v never_o come_v off_o but_o remain_v always_o fine_a set_v these_o globe_n on_o stand_v where_o they_o may_v be_v for_o ornament_n and_o the_o pleasure_n of_o those_o who_o shall_v see_v and_o consider_v their_o admirable_a beauty_n the_o end_n of_o the_o nine_o book_n of_o the_o art_n of_o glass_n book_n x._o show_v how_o to_o extract_v the_o essential_a tincture_n of_o all_o herb_n or_o flower_n as_o yellow_a red_a green_n blue_n violet_n purple-coloured_a etc._n etc._n with_o their_o respective_a lake_n to_o make_v ultra-marine_a german-blue_a etc._n etc._n as_o well_o for_o the_o art_n of_o glass_n as_o paint_v chap._n ccxviii_o not_o to_o omit_v any_o thing_n which_o at_o all_o concern_v the_o art_n of_o glass_n we_o think_v convenient_a in_o this_o ten_o book_n to_o give_v the_o public_a a_o method_n of_o extract_v all_o manner_n of_o essential_a tincture_n from_o herb_n as_o well_o as_o flower_n a_o work_v not_o only_o necessary_a for_o paint_v but_o the_o art_n of_o glass_n too_o we_o shall_v also_o give_v direction_n to_o make_v lake_n of_o several_a colour_n vltra-marine_a of_o lapis-lazuli_a with_o german-blue_a etc._n etc._n the_o manner_n we_o prescribe_v for_o make_v these_o colour_n do_v equal_o qualify_v they_o for_o ting_a glass_n stones_n enamel_n and_o for_o paint_n on_o enamel_n and_o glass-work_n and_o all_o this_o so_o prepare_v as_o not_o to_o press_v on_o the_o diversion_n or_o pall_v the_o pleasure_n of_o the_o several_a artist_n or_o other_o curious_a person_n who_o employ_v themselves_o that_o way_n for_o recreation_n what_o can_v be_v more_o admirable_a than_o the_o product_n and_o liberality_n of_o nature_n in_o bestow_v such_o excellent_a enamel_n on_o flower_n and_o plant_n as_o contribute_v to_o furnish_v paint_v with_o such_o fine_a and_o lively_a colour_n which_o the_o industry_n of_o mankind_n can_v extract_v and_o so_o well_o adapt_v to_o the_o conveniency_n of_o art_n as_o to_o produce_v effect_n fine_a and_o more_o beautiful_a than_o any_o other_o whatsoever_o the_o use_n of_o flower_n and_o plant_n be_v not_o whole_o confine_v to_o this_o noble_a art_n but_o they_o be_v also_o proper_a for_o die_v and_o have_v much_o more_o excellent_a success_n in_o physic_n where_o their_o virtue_n be_v infinite_a etc._n etc._n no_o product_n in_o nature_n be_v useless_a but_o the_o very_o mean_a have_v its_o
necessary_a property_n and_o those_o which_o seem_v the_o most_o abject_a and_o venomous_a even_o the_o great_a poison_n have_v admirable_a effect_n in_o medicine_n when_o due_o prepare_v and_o this_o the_o professor_n of_o physic_n be_v not_o unacquainted_a withal_o though_o very_o many_o pretend_v to_o those_o study_n who_o endeavour_n be_v far_o short_a of_o hand_v they_o through_o the_o secret_a excellency_n thereof_o chap._n ccxix_o how_o to_o extract_n lake_n from_o broom-flower_n we_o will_v give_v several_a way_n of_o make_v lake_n of_o several_a colour_n the_o first_o with_o a_o lixivium_n or_o lee_n make_v of_o soda_fw-it of_o the_o glass-house_n and_o fresh_a quicklime_n which_o must_v be_v pretty_a strong_a in_o which_o put_v your_o broom-flower_n over_o a_o small_a fire_n until_o all_o the_o tincture_n be_v draw_v from_o they_o the_o flower_n become_v white_a and_o the_o lee_n receive_v the_o yellow_a colour_n then_o take_v out_o the_o flower_n and_o put_v the_o lixivium_n into_o a_o glaze_v earthen_a vessel_n to_o boil_v add_v thereto_o as_o much_o roch-allom_n as_o it_o can_v well_o dissolve_v then_o take_v it_o off_o and_o put_v it_o into_o a_o large_a vessel_n mix_v it_o with_o fair_a water_n so_o the_o yellow_a will_v separate_v and_o descend_v to_o the_o bottom_n let_v it_o rest_v there_o a_o little_a and_o afterward_o decant_v the_o water_n off_o gentle_o and_o so_o put_v in_o more_o fresh_a to_o it_o again_o and_o again_o until_o the_o water_n have_v draw_v off_o all_o the_o salt_n and_o allom_n from_o the_o lixivium_n and_o it_o become_v clear_a thus_o the_o colour_n will_v be_v very_o well_o cleanse_v of_o the_o salt_n and_o allom_n and_o remain_v exceed_o fine_a and_o bright_a spread_v it_o on_o piece_n of_o white_a linen_n and_o let_v it_o dry_v in_o the_o shade_n on_o new-baked_n tile_n and_o you_o will_v have_v a_o most_o admirable_a yellow-lake_n for_o paint_v chap._n ccxx_o to_o extract_v the_o tincture_n of_o poppy_n iris_n or_o flower-de-luce_n red-rose_n violet_n and_o all_o sort_n of_o greenherb_n for_o make_v lake_n of_o their_o colour_n to_o avoid_v unnecessary_a repetition_n we_o have_v think_v fit_a to_o bring_v all_o these_o under_o one_o chapter_n because_o the_o method_n for_o extract_v their_o colour_n be_v the_o same_o in_o one_o as_o in_o other_o and_o do_v with_o the_o former_a lixivium_n of_o soda_fw-it and_o quicklime_n you_o must_v steep_v and_o boil_v each_o sort_n of_o flower_n or_o herb_n by_o themselves_o in_o the_o lixivium_n give_v it_o time_n to_o draw_v off_o the_o colour_n entire_o which_o you_o will_v soon_o perceive_v when_o the_o faeces_fw-la or_o flower_n grow_v white_a and_o the_o lixivium_n deepen_v with_o the_o tincture_n then_o pour_v off_o the_o lixivium_n gentle_o into_o your_o earthen_a glaze_v vessel_n and_o set_v they_o over_o a_o fire_n put_v in_o as_o soon_o as_o they_o begin_v to_o boil_v as_o much_o roch-allom_n as_o they_o can_v well_o dissolve_v and_o so_o take_v they_o off_o after_o this_o pour_v all_o together_o into_o a_o large_a earthen_a vessel_n glaze_v and_o pour_v into_o it_o fair_a water_n to_o make_v the_o colour_n precipitate_v let_v it_o stand_v and_o settle_v then_o pour_v off_o the_o water_n and_o put_v in_o fresh_a and_o thus_o continue_v to_o change_v the_o water_n until_o it_o pour_v off_o as_o clear_a as_o you_o put_v it_o in_o and_o taste_v flat_a or_o insipid_a so_o as_o you_o may_v conclude_v all_o the_o soda_fw-it salt_n of_o alom_n and_o lime_n be_v draw_v off_o thus_o you_o will_v have_v at_o the_o bottom_n a_o very_a fine_a tincture_n to_o make_v a_o pure_a and_o delicate_a lake_n withal_o of_o the_o same_o colour_n as_o your_o flower_n or_o herb_n that_o be_v use_v spread_v it_o on_o piece_n of_o linen_n dry_v they_o in_o the_o shade_n on_o new-baked_n tile_n as_o before_o after_o the_o same_o manner_n you_o may_v draw_v any_o other_o lake_n from_o whatsoever_o colour_a herb_n or_o flower_n you_o please_v chap._n ccxxi_o another_o way_n to_o extract_n the_o tincture_n of_o yellow_a flower_n of_o field-poppy_n iris_n ordinary_a and_o deep_a colour_a violet_n carnation_n and_o red-rose_n borrageflower_v red-colewort_n flag_n etc._n etc._n together_o with_o the_o verditer_n of_o mallow_n burnet_n and_o other_o herb_n we_o shall_v not_o give_v the_o same_o in_o this_o as_o in_o the_o forego_n chapter_n that_o preparation_n be_v common_a to_o all_o those_o in_o the_o title_n thereof_o and_o so_o be_v this_o to_o these_o to_o avoid_v prolixity_n and_o repetition_n you_o must_v have_v the_o flower_n or_o herb_n new_o gather_v fresh_a enough_o to_o stain_v a_o card_n with_o their_o juice_n press_v thereon_o else_o they_o will_v not_o serve_v your_o turn_n put_v these_o into_o a_o glass_n cucurbit_n with_o a_o pretty_a large_a mouth_n pour_v in_o among_o they_o good_a strong-water_n to_o drown_v they_o by_o four_o inch_n join_v a_o recipient_a to_o it_o and_o lute_z the_o joint_n very_o well_o let_v they_o dry_a this_o do_v place_v the_o alembick_a on_o a_o sand_n furnace_n keep_v a_o very_a gentle_a fire_n under_o it_o give_v the_o matter_n time_n to_o digest_v increase_v it_o by_o very_o little_a and_o little_a and_o so_o the_o strong-water_n will_v rise_v on_o the_o leave_n and_o draw_v off_o the_o colour_n then_o improve_v your_o fire_n to_o distil_v your_o tinged_a strong-water_n into_o the_o recipient_a out_o of_o which_o you_o must_v take_v and_o put_v they_o into_o another_o alembick_a lute_v well_o the_o jointure_n and_o let_v it_o distil_v in_o balneo_fw-la or_o over_o a_o very_a slow_a ash-fire_n and_o the_o strong-water_n will_v distil_v off_o in_o their_o own_o colour_n without_o any_o tincture_n and_o may_v be_v keep_v for_o the_o like_a occasion_n again_o the_o essence_n you_o will_v have_v at_o the_o bottom_n of_o the_o cucurbit_n let_v it_o dry_v gentle_o thus_o you_o may_v have_v lake_n from_o all_o manner_n of_o herb_n and_o flower_n whatsoever_o chap._n ccxxii_o to_o make_v a_o scarlet-coloured_a lake_n the_o design_n of_o this_o chapter_n be_v only_o to_o order_v the_o first_o preparation_n for_o obtain_v our_o scarlet-colour_n whereof_o we_o will_v make_v a_o very_a delicate_a lake_n take_v shearing_n of_o white_a woollen-drapery_n let_v they_o be_v fine_a as_o possible_a steep_v they_o a_o whole_a day_n in_o cold_a water_n press_v they_o afterward_o very_o well_o to_o take_v off_o all_o the_o greasiness_n and_o allume_v it_o thus_o put_v four_o ounce_n of_o roch-allom_n and_o two_o ounce_n of_o crude_a tartar_n in_o powder_n into_o a_o small_a kettle_n pour_v thereon_o two_o quart_n of_o water_n when_o this_o begin_v to_o boil_v put_v to_o they_o one_o pound_n of_o the_o shearing_n and_o so_o let_v it_o boil_v a_o full_a half-hour_n afterward_o take_v it_o off_o and_o cool_v it_o for_o six_o hour_n take_v out_o the_o shearing_n and_o wash_v they_o in_o clean_a water_n leave_v they_o to_o steep_v about_o two_o hour_n press_v they_o after_o this_o and_o dry_v they_o keep_v they_o for_o the_o use_n we_o shall_v prescribe_v in_o the_o next_o chapter_n chap._n ccxxiii_o to_o extract_n scarlet-colour_n from_o kerm-berry_n for_o make_v a_o fine_a lake_n the_o name_n of_o kermes_n be_v pure_o arabic_a for_o in_o that_o country_n these_o berry_n grow_v on_o a_o small_a tree_n or_o shrub_n and_o from_o that_o their_o native_a soil_n be_v transplant_v into_o spain_n portugal_n provence_n and_o languedoc_n where_o they_o now_o be_v plentiful_a several_a will_v persuade_v we_o that_o it_o be_v a_o sort_n of_o oak_n call_v in_o latin_a coccigera_n but_o the_o leave_n which_o be_v prickle_a like_o those_o on_o holly_n only_o small_a show_v we_o the_o contrary_a these_o grain_n or_o berry_n have_v several_a other_o use_n than_o in_o paint_v be_v of_o excellent_a virtue_n in_o physic_n of_o they_o the_o apothecary_n make_v their_o syrup_n call_v alkerme_n and_o from_o the_o remainder_n of_o they_o which_o be_v leave_v behind_o in_o the_o strainer_n they_o draw_v a_o substance_n for_o the_o dyer_n which_o be_v use_v in_o colour_v of_o stuff_n several_a way_n may_v be_v give_v to_o extract_v the_o tincture_n of_o these_o grain_n for_o make_v lake_n we_o will_v only_o insist_v on_o two_o the_o first_o be_v indifferent_a long_a but_o very_o excellent_a and_o produce_v a_o tincture_n whereby_o i●_n make_v a_o most_o admirable_a fine_a lake_n the_o way_n of_o make_v the_o lake_n in_o france_n be_v very_o modern_a and_o it_o be_v but_o of_o late_o they_o have_v have_v this_o secret_a in_o paris_n which_o be_v bring_v from_o venice_n now_o since_o few_o be_v familiar_a with_o it_o we_o be_v willing_a to_o publish_v this_o that_o many_o may_v know_v how_o to_o wor●_n therein_o take_v four_o quart_n of_o clear_a water_n and_o four_o pound_n of_o wheaten-bran_n two_o dram_fw-la of_o oriental_n piraster_n and_o as_o much_o foenugrec_n
set_v all_o in_o a_o kettle_n over_o a_o fire_n till_o the_o water_n be_v milk-warm_a keep_v your_o hand_n in_o it_o until_o you_o can_v bear_v the_o heat_n no_o long_o then_o take_v it_o off_o cover_v it_o with_o a_o cloth_n that_o the_o heat_n may_v continue_v the_o long_o let_v it_o repose_v for_o twenty_o four_o hour_n then_o run_v off_o the_o lixivium_n and_o keep_v it_o for_o the_o follow_a purpose_n get_v a_o clean_a earthen-pot_n and_o put_v therein_o three_o quart_n of_o fair_a water_n to_o half_a the_o lixivium_n order_n a_o fire_n and_o let_v this_o boil_v thereon_o which_o when_o it_o begin_v to_o do_v put_v in_o a_o ounce_n of_o the_o grain_n pound_v impalpable_o in_o a_o brass-mortar_n and_o sear_v then_o pound_n a_o little_a crude_a tartar_n to_o take_v off_o the_o remain_a part_n of_o the_o grain_n on_o the_o bottom_n and_o side_n of_o your_o mortar_n and_o so_o put_v it_o in_o with_o the_o grain_n when_o the_o water_n begin_v to_o boil_v again_o take_v it_o off_o in_o a_o instant_n and_o set_v it_o to_o cool_v this_o do_v and_o the_o water_n cold_a take_v the_o shearing_n prepare_v in_o the_o former_a chapter_n and_o let_v they_o stain_v therein_o about_o half_a a_o hour_n afterward_o squeeze_v it_o into_o another_o pot_n by_o expression_n and_o after_o you_o have_v thus_o draw_v off_o all_o the_o tincture_n put_v the_o shearing_n into_o the_o last_o pot_n stir_v they_o about_o very_o well_o with_o a_o small_a stick_n that_o they_o may_v stain_v the_o soon_o boil_v all_o for_o about_o half_a a_o hour_n over_o a_o small_a fire_n else_o the_o tincture_n will_v become_v black_a then_o take_v the_o shearing_n out_o and_o put_v they_o well_o tinge_v into_o a_o vessel_n of_o cold_a water_n about_o half_a a_o hour_n after_o pour_v off_o the_o water_n gentle_o and_o so_o put_v fresh_a on_o again_o then_o press_v and_o spread_v they_o to_o dry_v in_o a_o clean_a place_n where_o no_o dust_n can_v come_v at_o they_o this_o do_v make_v the_o follow_a lixivium_n put_v on_o a_o hempen-cloth_n double_v vine-stalk-ash_n or_o ash_n of_o willow_n or_o some_o other_o light_a wood_n pour_v thereon_o by_o degree_n cold_a water_n let_v it_o strain_v through_o into_o a_o vessel_n set_v underneath_o pour_v it_o again_o on_o the_o ash_n and_o when_o it_o be_v all_o run_v through_o set_v it_o to_o settle_v for_o twenty_o four_o hour_n that_o the_o ash_n which_o it_o carry_v off_o may_v fall_v to_o the_o bottom_n this_o do_v pour_v the_o lixivium_n by_o degree_n into_o another_o vessel_n reject_v the_o sediment_n put_v your_o shearing_n into_o this_o have_v warm_v it_o when_o it_o begin_v to_o be_v cold_a let_v it_o boil_v over_o a_o gentle_a fire_n and_o it_o will_v become_v red_a take_v a_o little_a of_o the_o shearing_n press_v they_o well_o and_o if_o it_o remain_v without_o colour_n take_v off_o the_o kettle_n immediate_o for_o the_o lixivium_n have_v extract_v it_o entire_o spread_v a_o linen-cloth_n over_o a_o freestone_n bowl_n set_v the_o shearing_n therein_o and_o pour_v on_o the_o lixivium_n by_o little_a and_o little_a to_o strain_v and_o yield_v the_o tincture_n then_o squeeze_v the_o cloth_n and_o the_o shearing_n therein_o to_o press_v out_o all_o the_o colour_n that_o remain_v in_o they_o throw_v away_o the_o cloth_n wash_v the_o shearing_n clean_a and_o keep_v they_o for_o the_o like_a use_n another_o time_n then_o put_v twelve_o ounce_n of_o roch-allom_n well_o powder_v into_o a_o glass_n body_n full_a of_o cold_a water_n let_v it_o dissolve_v quite_o when_o this_o be_v perfect_o do_v spread_v a_o linen-cloth_n over_o two_o staff_n and_o set_v underneath_o a_o large_a freestone_n vessel_n put_v all_o the_o allom-water_n into_o the_o bottle_n of_o tincture_n and_o strain_v it_o afterward_o through_o this_o cloth_n the_o lixivium_n will_v go_v through_o it_o clear_v and_o leave_v the_o colour_n behind_o but_o if_o it_o shall_v not_o be_v colour_v it_o be_v only_o strain_v it_o through_o again_o and_o you_o will_v have_v do_v now_o to_o get_v the_o tincture_n you_o must_v mix_v all_o that_o remain_v on_o the_o cloth_n and_o gather_v it_o together_o spread_v it_o afterward_o over_o new-made_a tile_n which_o have_v not_o yet_o be_v allow_v time_n to_o moisten_v on_o the_o piece_n of_o linen_n then_o mould_v they_o into_o troche_n to_o dry_v sudden_o without_o mould_v which_o will_v spoil_v they_o therefore_o you_o must_v take_v great_a care_n that_o the_o tile_n be_v not_o at_o all_o moist_a and_o if_o so_o to_o change_v they_o that_o it_o may_v dry_v the_o soon_o and_o thus_o you_o will_v have_v a_o lake_n of_o admirable_a colour_n for_o paint_v you_o must_v lessen_v or_o improve_v the_o colour_n as_o you_o find_v by_o a_o great_a or_o lesser_a quantity_n of_o roch-allom_n chap._n ccxxiu_o a_o ready_a way_n to_o extract_n the_o tincture_n of_o kerm-berry_n though_o the_o menstruum_fw-la give_v in_o the_o last_o chapter_n make_v with_o shearing_n of_o cloth_n be_v a_o very_a good_a one_o for_o this_o purpose_n yet_o the_o follow_a be_v a_o more_o easy_a and_o as_o effectual_a take_v strong-water_n of_o the_o first_o run_v or_o distil_v and_o put_v it_o into_o a_o long-neckt_a glass_n body_n dissolve_v therein_o a_o pound_n of_o roch-allom_n add_v a_o ounce_n of_o kerm-berry_n fine_o powder_v and_o sear_v let_v it_o digest_v well_o shake_v the_o matrass_n from_o time_n to_o time_n and_o the_o strong-water_n will_v draw_v to_o they_o all_o the_o tincture_n of_o the_o kermes_n and_o be_v very_o sine_o colour_v then_o let_v all_o settle_v four_o day_n and_o afterward_o pour_v it_o gentle_o into_o a_o glaze_v earthen-vessel_n dissolve_v four_o ounce_n of_o roch-allom_n in_o run_v water_n and_o pour_v this_o into_o the_o strong-water_n or_o tincture_n of_o kermes_n to_o cause_v a_o separation_n filter_n it_o through_o a_o linen-cloth_n and_o the_o strong-water_n will_v fall_v through_o white_a leave_v the_o tincture_n behind_o if_o they_o be_v any_o thing_n colour_v strain_v they_o again_o and_o again_o until_o they_o be_v clear_a take_v up_o the_o lake_n or_o colour_n with_o a_o clean_a wooden-spoon_n and_o make_v it_o into_o troche_n dry_v they_o as_o direct_v in_o the_o former_a chapter_n thus_o you_o may_v have_v a_o quantity_n of_o this_o colour_n or_o lake_n as_o fine_a and_o good_a as_o the_o former_a chap._n ccxxu._n to_o make_v lake_n or_o tincture_n of_o brazile_n the_o brazile_n which_o dyer_n make_v use_v of_o be_v mean_v here_o take_v of_o the_o fine_a which_o come_v from_o fernambouck_n that_o be_v the_o best_a the_o way_n of_o extract_v this_o tincture_n be_v the_o same_o as_o the_o former_a from_o kermes_n and_o may_v be_v effect_v two_o way_n either_o with_o the_o first_o prescribe_v menstruum_fw-la or_o the_o strong-water_n observe_v only_a not_o to_o put_v as_o much_o allom_n to_o each_o ounce_n of_o brazile_n as_o to_o the_o berry_n for_o that_o tincture_n be_v deep_a than_o this_o from_o brazile_n and_o consequent_o require_v more_o stuff_n use_v therefore_o as_o much_o here_o as_o you_o find_v reasonable_a for_o experience_n will_v give_v you_o the_o best_a instruction_n take_v notice_n too_o that_o when_o you_o do_v it_o by_o the_o first_o menstruum_fw-la there_o be_v a_o great_a quantity_n require_v of_o brazile_n than_o be_v prescribe_v of_o kermes-berry_n to_o each_o pound_n of_o shearing_n in_o every_o thing_n else_o follow_v the_o former_a direction_n and_o you_o will_v have_v a_o fine_a colour_n or_o lake_n less_o chargeable_a and_o altogether_o as_o good_a as_o the_o tincture_n of_o kermes_n for_o paint_v chap._n ccxxvi_o to_o extract_n tincture_n of_o mad_a for_o lake_n mad_a be_v the_o root_n of_o a_o plant_n common_a enough_o but_o general_o come_v from_o holland_n and_o zealand_n and_o use_v by_o dyer_n if_o good_a it_o be_v red_a it_o be_v fine_a than_o brazile_n and_o before_o you_o use_v it_o must_v be_v fine_o powder_v to_o give_v the_o better_a colour_n you_o may_v use_v either_o of_o the_o former_a menstruum_n of_o shearing_n or_o strong-water_n order_v your_o quantity_n as_o direct_v for_o the_o brazile_n if_o you_o follow_v the_o preparation_n give_v in_o chap._n 223._o you_o will_v have_v a_o fine_a colour_n from_o this_o root_n which_o make_v into_o troche_n dry_v they_o as_o before_o this_o will_v be_v a_o perfect_a lake_n and_o very_o fine_a for_o use_v chap._n ccxxvii_o how_o to_o make_v ultra-marine_a of_o lapis-lazuli_a this_o rich_a and_o noble_a blue_n draw_v from_o a_o azure-stone_n common_o call_v lapis-lazuli_a it_o be_v 〈◊〉_d opaque-stone_n of_o a_o fine_a sky-colour_n or_o turkish-●lue_a or_o like_o the_o blue-flower_n which_o grow_v in_o corn●●lds_n it_o be_v embellish_v with_o small_a streak_n and_o spark_n of_o gold-colour_n the_o best_a be_v that_o which_o be_v fix_v ●●at_o be_v can_v endure_v fire_n without_o
as_o you_o please_v in_o clean_a water_n for_o about_o a_o quarter_n of_o a_o hour_n and_o keep_v it_o for_o use_v as_o the_o former_a this_o be_v excellent_a for_o wash_v the_o lapis-lazuli_a with_o it_o strengthen_v and_o improve_v the_o colour_n thereof_o be_v good_a for_o the_o itch_n scurvy_a etc._n etc._n and_o to_o take_v away_o the_o withering_n in_o the_o fair_a sex_n chap._n ccxxx_o the_o form_n of_o the_o glass_n for_o preserve_v the_o liquid_n in_o which_o be_v employ_v on_o the_o lapis-lazuli_a there_o always_o remain_v some_o of_o your_o colour_n in_o the_o water_n or_o lixivium_n wherein_o the_o l●●●s-lazuli_a be_v prepare_v throughout_o all_o the_o process_n you_o must_v therefore_o have_v a_o very_a large_a vessel_n of_o bra●●_n or_o earthenware_n glaze_v and_o polish_v very_o well_o at_o bottom_n wherein_o must_v be_v three_o holes_n one_o in_o the_o middle_n of_o the_o side_n the_o next_o a_o little_a low_o and_o the_o last_o about_o two_o inch_n from_o the_o bottem_v stop_v these_o holes_n withoutside_o very_o close_o to_o prevent_v leakage_n then_o pour_v all_o your_o water_n into_o this_o though_o you_o then_o perceive_v no_o colour_n at_o all_o yet_o after_o ten_o day_n you_o will_v have_v it_o at_o bottom_n whither_o it_o will_v descend_v gentle_o and_o to_o get_v it_o you_o must_v go_v artificial_o to_o work_v first_o open_v the_o first_o cock_n or_o hole_n and_o let_v out_o the_o water_n above_o that_o before_o you_o open_v the_o other_o two_o and_o thus_o you_o may_v get_v the_o colour_n without_o muddy_v or_o lose_v any_o by_o the_o water_n which_o mix_v with_o the_o rest_n chap._n ccxxxi_o to_o make_v strong_a cement_n to_o mix_v with_o lapis-lazuli_a to_o separate_v the_o fine_a and_o better_a stuff_n from_o the_o other_o one_o can_v so_o easy_o part_v the_o fine_a lapis-lazuli_a from_o its_o grosser_n part_n without_o make_v use_n of_o this_o cement_n to_o unbind_v the_o part_n take_v four_o ounce_n of_o very_a pure_a and_o clear_a venice-turpentine_n six_o ounce_n of_o rosin_n of_o the_o pine_n six_o ounce_n of_o grecian-pitch_n three_o ounce_n of_o very_a good_a mastic_n three_o ounce_n of_o fresh_a wax_n a_o ounce_n and_o half_a of_o linseed-oyl_n cleanse_v as_o shall_v be_v direct_v in_o chap._n 233._o put_v the_o turpentine_n into_o a_o new_a glaze_v earthen-pot_n very_o clean_o to_o dissolve_v over_o a_o slow_a charcoal-fire_n and_o continue_v stir_v it_o with_o a_o wooden-spatula_a throw_v into_o this_o by_o degree_n the_o rosin_n of_o the_o pine_n in_o small_a piece_n and_o stir_v it_o still_o very_a well_o thus_o put_v in_o successive_o the_o pitch_n the_o mastic_n in_o powder_n and_o last_o of_o all_o the_o wax_n slice_v small_a stir_v all_o continual_o about_o to_o mix_v and_o incorporate_v take_v great_a care_n of_o your_o fire_n lest_o the_o cement_n shall_v blaze_v or_o burn_v all_o the_o ingredient_n be_v hot_a of_o themselves_o and_o combustible_a have_v well_o incorporate_v they_o pour_v in_o the_o linseed-oyl_n stir_v it_o as_o before_o and_o so_o let_v it_o boil_v gentle_o for_o a_o quarter_n of_o a_o hour_n to_o try_v whether_o the_o cement_n be_v enough_o drop_v some_o of_o it_o off_o the_o spatula_fw-la into_o a_o vessel_n of_o cold_a water_n if_o it_o spread_v it_o be_v not_o enough_o but_o if_o it_o do_v not_o it_o be_v sufficient_o boil_v so_o take_v it_o off_o or_o else_o you_o may_v wet_v your_o finger_n and_o take_v a_o drop_n thereof_o roll_n and_o draw_v it_o out_o in_o length_n if_o it_o snap_v and_o break_v of_o itself_o it_o be_v a_o sign_n that_o it_o be_v enough_o take_v it_o off_o and_o pour_v it_o boil_v hot_a into_o a_o hypocrass-bag_n steep_v before_o in_o hot_a water_n take_v care_n to_o let_v it_o go_v all_o through_o into_o a_o vessel_n of_o cold_a water_n and_o for_o the_o better_a security_n squeeze_v it_o along_o from_o top_n to_o bottom_n with_o two_o flat_a stick_n that_o none_o may_v remain_v in_o your_o bag_n afterward_o work_v it_o well_o with_o your_o hand_n till_o all_o the_o water_n be_v drain_v from_o it_o and_o because_o be_v hot_a it_o may_v stick_v to_o your_o finger_n you_o may_v anoint_v they_o with_o some_o of_o the_o linseed-oyl_n the_o cement_n be_v thus_o prepare_v keep_v it_o in_o a_o vessel_n of_o cold_a water_n shift_v your_o water_n every_o day_n or_o every_o second_o day_n and_o by_o this_o method_n you_o may_v keep_v it_o for_o ten_o year_n chap._n ccxxxii_o to_o make_v a_o weak_a cement_n for_o separate_v the_o colour_n of_o lapis-lazuli_a this_o second_o cement_n which_o be_v the_o soft_a and_o mild_a aught_o to_o be_v first_o employ_v on_o the_o powder_n of_o lapis-lazuli_a it_o draw_v the_o colour_n much_o quick_a and_o better_a than_o the_o strong_a cement_n which_o ought_v not_o to_o be_v use_v till_o after_o the_o mild_a the_o whole_a secret_n of_o separate_v the_o colour_n consist_v in_o use_v the_o cement_v for_o without_o a_o due_a care_n hereof_o it_o can_v be_v do_v perfect_a to_o make_v this_o cement_n you_o must_v take_v four_o ounce_n of_o very_a pure_a turpentine_n four_o ounce_n of_o rosin_n of_o pine_n six_o ounce_n of_o grecian-pitch_n one_o ounce_n of_o fresh_a wax_n six_o dram_fw-la of_o linseed-oyl_n purify_v mix_v and_o incorporate_v they_o successive_o as_o before_o observe_v only_o that_o this_o be_v soon_o do_v than_o the_o former_a because_o it_o be_v weak_a and_o will_v give_v the_o colour_n soon_o therefore_o you_o must_v manage_v according_o chap._n ccxxxiii_o to_o purify_v linseed-oyl_n the_o use_n we_o have_v for_o linseed-oyl_n in_o our_o cement_n oblige_v we_o to_o give_v this_o preparation_n and_o way_n of_o purify_n it_o as_o we_o promise_v whereby_o it_o be_v make_v more_o fit_a for_o our_o purpose_n take_v good_a and_o clear_a linseed-oyl_n of_o the_o colour_n of_o saffron_n and_o put_v it_o into_o a_o glass_n shape_v like_o a_o oxe-horn_n with_o a_o hole_n at_o bottom_n to_o let_v out_o the_o water_n which_o you_o must_v mix_v with_o the_o oil_n let_v they_o settle_v until_o the_o oil_n rise_v all_o upmost_a then_o open_a the_o hole_n and_o let_v the_o water_n out_o and_o the_o oil_n remain_v behind_o then_o shake_v the_o oil_n again_o with_o more_o fresh_a water_n let_v it_o settle_v and_o the_o water_n run_v out_o as_o before_z do_v thus_o eight_o or_o ten_o time_n till_o the_o water_n come_v out_o as_o clear_a as_o it_o go_v in_o and_o so_o the_o oil_n will_v be_v pure_a and_o fit_a for_o your_o use_n keep_v it_o well_o stop_v in_o a_o glass-bottle_n if_o you_o can_v get_v linseed-oyl_n you_o may_v use_v oil_n of_o bitter-almond_n without_o purify_n for_o it_o need_v none_o but_o take_v notice_n the_o linseed-oyl_n be_v best_a of_o any_o though_o cheap_a than_o tother_o chap._n ccxxxiv_o how_o to_o incorporate_v the_o powder_n of_o lapis-lazuli_a with_o the_o strong_a or_o weak_a cement_n we_o have_v give_v in_o chap._n 228._o the_o way_n to_o prepare_v the_o powder_n for_o mix_v with_o the_o cement_n to_o extract_v the_o colour_n we_o now_o come_v to_o show_v how_o to_o mix_v it_o with_o the_o cement_n in_o order_n to_o extract_v the_o vltra-marine_a from_o they_o for_o paint_v take_v a_o pound_n of_o the_o powder_n and_o the_o like_a quantity_n of_o cement_n assign_v in_o chap._n 231._o observe_v always_o to_o take_v the_o first_o that_o be_v work_v with_o the_o hand_n cut_v the_o cement_n small_a and_o the_o piece_n be_v a_o little_a wet_a put_v they_o into_o a_o glaze_v earthen-pot_n over_o a_o fire_n of_o red-hot_a ash_n to_o melt_v and_o take_v care_v it_o do_v not_o boil_v if_o it_o shall_v you_o must_v prevent_v the_o the_o damage_n which_o it_o may_v cause_v by_o put_v in_o some_o linseed-oyl_n the_o cement_n be_v thus_o melt_v anoint_v all_o your_o spatula_fw-la over_o from_o the_o handle_n downward_o with_o the_o same_o oil_n and_o so_o put_v in_o the_o powder_n by_o very_o little_a quantity_n and_o take_v a_o great_a deal_n of_o time_n that_o they_o may_v the_o better_o incorporate_v and_o be_v sure_a to_o stir_v it_o all_o the_o while_n very_o well_o with_o the_o spatula_fw-la so_o as_o to_o make_v it_o all_o alike_o until_o it_o become_v like_o a_o ointment_n or_o salve_n then_o off_o with_o the_o pot_n and_o throw_v the_o stuff_n boil_v hot_a into_o a_o earthen-bason_n of_o cold_a water_n and_o at_o that_o very_a instant_n take_v off_o all_o that_o stick_v to_o the_o side_n of_o the_o pot_n when_o it_o be_v cold_a enough_o to_o be_v handle_v if_o it_o appear_v well_o colour_v it_o be_v a_o sign_n you_o have_v work_v it_o well_o this_o do_v rub_v your_o hand_n with_o linseed-oyl_n and_o work_v it_o as_o they_o do_v a_o paste_n of_o bread_n or_o doughty_n for_o one_o hour_n that_o it_o may_v be_v thorough_o compact_v the_o long_a
a_o well_o stop_v matrass_n in_o b._n mariae_fw-la let_v it_o remain_v till_o it_o resolve_v again_o into_o water_n and_o this_o last_o shall_v be_v the_o mercury-water_n which_o you_o must_v preserve_v to_o employ_v on_o your_o pearl_n chap._n ccxlv_o another_o way_n to_o make_v these_o pearl_n this_o be_v a_o easy_a way_n than_o the_o former_a for_o by_o bake_v they_o as_o we_o shall_v show_v you_o very_o much_o shorten_v the_o time_n which_o the_o preparation_n will_v else_o take_v up_o however_o you_o must_v not_o expect_v they_o so_o delicate_a and_o natural_a as_o the_o first_o the_o cause_n whereof_o be_v easy_a enough_o conceive_v for_o these_o pearl_n have_v enlarge_v themselves_o in_o the_o water_n as_o we_o already_o note_v it_o be_v reasonable_a to_o believe_v the_o harden_v they_o afterward_o in_o the_o cold_a will_v be_v of_o a_o much_o more_o natural_a effect_n than_o if_o do_v with_o heat_n take_v very_o fair_a oriental_a seed_n pearl_n for_o this_o purpose_n and_o reduce_v it_o to_o impalpable_a powder_n on_o a_o marble_n to_o dissolve_v afterward_o in_o mercury-water_n or_o clarify_a juice_n of_o lemon_n if_o this_o be_v not_o effect_v quick_a enough_o set_v it_o in_o a_o cucurbit_n over_o warm_a ash_n and_o be_v very_o careful_a to_o take_v the_o cream_n which_o in_o a_o little_a time_n will_v appear_v at_o top_n immediate_o off_o so_o withdraw_v the_o dissolution_n from_o the_o fire_n and_o let_v it_o settle_v a_o little_a this_o do_v pour_v it_o gentle_o into_o another_o glass_n body_n and_o keep_v it_o apart_o you_o will_v have_v the_o pearl_n in_o a_o paste_n at_o the_o bottom_n with_o which_o fill_v your_o gild_a plate_n mould_v make_v to_o what_o bigness_n or_o form_v you_o think_v fit_a press_v the_o paste_n with_o the_o silver_n spatula_fw-la and_o so_o shut_v they_o up_o four_o and_o twenty_o hour_n after_o you_o must_v take_v and_o bear_v they_o through_o with_o a_o porker_n bristle_n close_v up_o the_o mould_v and_o leave_v they_o in_o the_o oven_n in_o a_o paste_n of_o barley_n doughty_n which_o be_v half_o bake_v draw_v out_o and_o open_a take_v away_o all_o the_o pearl_n and_o steep_v they_o in_o the_o dissolution_n just_a before_o direct_v to_o be_v keep_v apart_o put_v they_o in_o and_o out_o several_a time_n so_o close_v they_o in_o their_o mould_v and_o bake_v they_o again_o with_o the_o like_a paste_n as_o before_o only_o let_v this_o last_o be_v almost_o burn_v up_o before_o you_o draw_v it_o out_o thus_o you_o will_v have_v the_o pearl_n well_o bake_v and_o harden_v this_o do_v draw_v it_o out_o open_v all_o the_o mould_v take_v away_o the_o pearl_n and_o string_n they_o on_o one_o or_o more_o gold_n or_o silver_n thread_n steep_v they_o in_o mercury-water_n give_v in_o the_o former_a chapter_n for_o about_o a_o fortnight_n after_o this_o dry_v they_o by_o the_o sun_n in_o a_o well_o close_v glass_n body_n so_o you_o will_v have_v very_o fine_a and_o splendid_a pearl_n chap._n ccxlvi_o another_o way_n though_o this_o be_v a_o more_o common_a way_n than_o the_o precede_a we_o will_v not_o omit_v it_o because_o every_o one_o may_v have_v his_o choice_n to_o take_v that_o method_n which_o best_o suit_n with_o his_o apprehension_n or_o conveniency_n you_o must_v as_o in_o the_o former_a take_v very_o fair_a oriental_a seed_n pearl_n ground_n to_o a_o impalpable_a powder_n and_o dissolve_v it_o in_o allom-water_n then_o rack_v off_o that_o water_n and_o wash_v the_o paste_n of_o pearl_n which_o remain_v at_o bottom_n first_o with_o some_o distil_a water_n than_o i●_n bean-water_n and_o set_v it_o in_o b._n mariae_fw-la or_o horse-dung_n to_o digest_v for_o a_o fortnight_n afterward_o take_v out_o your_o vessel_n and_o the_o matter_n be_v come_v to_o the_o consistence_n of_o a_o paste_n mould_v up_o the_o paste_n in_o the_o gild_a silvermould_n as_o before_o direct_v bear_v they_o with_o a_o bristle_n string_n they_o on_o gold_n or_o silver_n thread_n and_o hang_v they_o in_o a_o very_a well_o close_v limbeck_n of_o glass_n to_o prevent_v the_o air_n from_o come_v in_o to_o spoil_v they_o thus_o dry_v lap_v they_o one_o by_o one_o in_o leave_n of_o silver_n and_o split_v open_a a_o barble_n as_o if_o you_o be_v to_o fry_v he_o and_o so_o close_v they_o all_o up_o in_o his_o body_n make_v a_o paste_n of_o barly-meal_n and_o bake_v he_o in_o it_o as_o you_o will_v a_o batch_n of_o bread_n and_o no_o more_o afterward_o draw_v it_o out_o and_o let_v they_o dry_a to_o give_v a_o transparency_n and_o splendour_n to_o these_o pearl_n if_o you_o do_v care_n for_o use_v our_o mercury-water_n instead_o thereof_o take_v the_o herb_n grati●_n squeeze_v in_o water_n put_v into_o this_o water_n six_o ounce_n of_o seed_n pearl_n one_o ounce_n of_o saltpetre_n a_o ounce_n of_o roch-allom_n a_o ounce_n of_o litharge_n of_o silver_n the_o whole_a be_v dissolve_v take_v your_o dry_a pearl_n heat_v they_o first_o and_o then_o cool_v they_o in_o this_o dissolution_n thus_o do_v for_o about_o six_o time_n at_o least_o heat_n and_o cool_v they_o at_o this_o rate_n therein_o if_o your_o pearl_n shall_v happen_v to_o fail_v of_o come_v to_o a_o sufficient_a hardness_n you_o may_v correct_v and_o make_v they_o exceed_o hard_o by_o bake_v they_o a_o second_o time_n after_o this_o manner_n take_v two_o ounce_n of_o calamy_n or_o lapis_fw-la calaminaris_n in_o impalpable_a powder_n add_v to_o this_o two_o ounce_n of_o oil_n of_o vitriol_n and_o two_o ounce_n of_o the_o water_n of_o white_a egg_n put_v all_o these_o into_o a_o retort_n lute_n thereto_o a_o receiver_n and_o let_v they_o distil_v you_o will_v have_v from_o they_o a_o very_a fair_a water_n with_o which_o and_o some_o very_a fine_a barly-meal_n make_v a_o paste_n coffin_n your_o pearl_n in_o this_o and_o bake_v they_o in_o a_o oven_n as_o before_o they_o will_v thus_o become_v exceed_v hard_a and_o recover_v their_o natural_a transparency_n there_o be_v many_o other_o way_n very_o good_a to_o make_v pearl_n with_o oil_n which_o add_v to_o the_o growth_n and_o largeness_n of_o the_o seed_n pearl_n as_o much_o as_o you_o will_v have_v they_o but_o all_o these_o preparation_n be_v very_o tedious_a and_o our_o book_n large_a enough_o already_o we_o be_v of_o opinion_n it_o be_v best_o to_o let_v they_o alone_o for_o the_o present_a beside_o we_o have_v say_v enough_o to_o hand_n the_o intelligent_a reader_n to_o those_o secret_n discourse_v off_o and_o teach_v they_o herein_o reserve_v the_o more_o enlarge_v and_o full_a instruction_n for_o the_o first_o edition_n we_o make_v hereof_o in_o two_o volume_n chap._n ccxlvii_o how_o to_o blanch_v fine_a pearl_n the_o beauty_n of_o pearl_n consist_v entire_o in_o the_o brightness_n of_o their_o white_a colour_n such_o as_o be_v spot_v or_o of_o a_o dark_a yellow_a be_v the_o least_o estimable_a you_o may_v however_o restore_v these_o last_o to_o a_o true_a luster_n and_o whiteness_n by_o let_v they_o soak_v and_o cleanse_v first_o in_o bran-water_n then_o in_o milk-warm_a water_n and_o last_o of_o all_o steep_v they_o twenty_o four_o hour_n in_o the_o mercury-water_n assign_v chap._n 244._o this_o do_v string_n and_o hang_v they_o in_o a_o well_o close_v glass_n body_n to_o dry_v in_o the_o sun_n as_o before_o the_o bran-water_n be_v make_v by_o boil_v two_o good_a handful_n of_o wheaten-bran_n in_o a_o quart_n of_o water_n until_o the_o water_n have_v draw_v all_o the_o strength_n thereof_o to_o it_o and_o thus_o you_o be_v to_o use_v it_o afterward_o for_o cleanse_v the_o pearl_n you_o must_v string_n and_o lay_v they_o all_o together_o in_o a_o glaze_v earthen_a pan_n and_o pour_v thereon_o one_o three_o of_o this_o water_n when_o they_o have_v soak_v until_o the_o water_n be_v tolerable_o cool_v that_o you_o may_v endure_v the_o heat_n rub_v they_o with_o your_o hand_n gentle_o to_o cleanse_v they_o the_o better_a continue_v so_o until_o the_o water_n be_v cold_a throw_v out_o this_o cold_a water_n and_o pour_v on_o another_o three_o part_n of_o the_o bran-water_n still_o boil_v and_o so_o use_v it_o as_o the_o former_a throw_v it_o away_o when_o cold_a and_o then_o pour_v on_o the_o remainder_n of_o the_o water_n proceed_v still_o after_o the_o former_a manner_n after_o this_o just_a heat_n some_o fair_a water_n and_o pour_v it_o on_o they_o to_o refresh_v and_o take_v away_o the_o remain_v of_o the_o bran_n shift_v this_o water_n pour_v on_o more_o fresh_a warm_a water_n do_v thus_o thrice_o without_o handle_v they_o then_o lay_v they_o on_o a_o sheet_n of_o very_a clean_a white_a paper_n to_o dry_v in_o a_o shade_n and_o last_o of_o all_o steep_v they_o in_o your_o mercury-water_n to_o bring_v they_o to_o perfection_n chap._n ccxlviii_o another_o way_n to_o blanch_n and_o cleanse_v fine_a pearl_n there_o be_v
shut_v the_o register_n the_o vessel_n contain_v the_o material_n be_v expose_v to_o the_o naked_a flame_n 3._o for_o a_o balneum_fw-la mariae_fw-la if_o you_o put_v into_o the_o hole_n a_o copper_n vessel_n of_o the_o same_o diameter_n in_o shape_n of_o a_o copper_n the_o bottom_n whereof_o must_v be_v strong_a and_o flat_a and_o fill_v it_o with_o hot_a water_n wherein_o you_o may_v put_v the_o vessel_n that_o contain_v your_o matter_n which_o if_o it_o be_v a_o matrass_n or_o bolt-head_n you_o may_v let_v the_o neck_n out_o at_o the_o hole_n at_o the_o middle_n of_o the_o cover_n which_o cover_v the_o balneum_fw-la or_o vessel_n full_a of_o water_n 4._o for_o a_o balneum_fw-la vaporosum_fw-la by_o put_v in_o the_o same_o hole_n a_o vessel_n full_a of_o water_n that_o shall_v rise_v in_o vapour_n and_o in_o that_o vessel_n another_o which_o shall_v contain_v the_o material_n two_o inch_n above_o the_o water_n shut_v this_o vessel_n with_o a_o fit_a cover_n lest_o the_o vapour_n exhale_v 5._o for_o a_o balneum_fw-la aereum_fw-la or_o dry_a bath_n by_o put_v in_o the_o same_o hole_n a_o vessel_n fill_v with_o hot_a air_n shut_v close_o and_o therein_o also_o another_o vessel_n with_o the_o material_n 6._o for_o a_o sand_n or_o ash_n furnace_n and_o with_o file_n of_o iron_n if_o the_o vessel_n put_v in_o the_o hole_n and_o which_o be_v expose_v to_o the_o naked_a fire_n be_v fill_v with_o sand_n ash_n or_o file_n of_o steel_n and_o that_o you_o pu●_n in_o the_o one_o or_o the_o other_o the_o vessel_n that_o contain_v the_o matter_n you_o be_v to_o work_v on_o 7._o for_o a_o lamp_n furnace_n if_o in_o place_n of_o the_o bar_n below_o you_o put_v a_o porringer_n full_a of_o ash_n to_o contain_v the_o vessel_n wherein_o your_o matter_n be_v provide_v you_o put_v also_o a_o glass_n bell_n on_o that_o vessel_n to_o cover_v it_o that_o must_v stand_v on_o the_o brim_n or_o ledge_n of_o the_o porringer_n well_o sit_v to_o it_o to_o preserve_v the_o heat_n that_o arise_v and_o then_o put_v under_o that_o porringer_n the_o lamp_n on_o a_o little_a trevet_n in_o short_a this_o furnace_n may_v serve_v for_o almost_o all_o chemical_a operation_n whatsoever_o which_o will_v be_v too_o long_o here_o to_o mention_v chap._n liii_o the_o way_n of_o purify_n vitriol_n to_o make_v aquafortis_n strong_a and_o more_o penetrative_a we_o have_v promise_v in_o the_o precede_a chapter_n to_o show_v the_o way_n of_o purify_n vitriol_n which_o consist_v in_o take_v away_o its_o yellowness_n which_o alone_o hinder_v the_o good_a effect_n it_o be_v capable_a of_o produce_v take_v roman_a vitriol_n the_o best_a you_o can_v get_v dissolve_v it_o in_o common_a warm_a water_n then_o let_v it_o stand_v three_o day_n then_o filter_n it_o and_o fling_v away_o the_o yellow_a faeces_fw-la then_o evaporate_v in_o glass_n body_n two_o three_o of_o the_o water_n and_o put_v the_o remainder_n into_o earthen_a glaze_v pan_n and_o set_v it_o in_o a_o cool_a place_n for_o the_o crystal_n of_o it_o to_o shoot_v which_o in_o 12_o hour_n time_n they_o will_v do_v about_o the_o brim_n of_o the_o pan_n in_o little_a transparent_a piece_n like_o natural_a crystal_n of_o a_o emerald-colour_n and_o at_o bottom_n there_o will_v remain_v a_o sulphureous_a sediment_n which_o must_v be_v careful_o separate_v and_o cast_v away_o then_o you_o must_v take_v all_o those_o little_a green_a crystal_n and_o dissolve_v they_o again_o in_o warm_a water_n as_o before_o and_o then_o filter_n and_o evaporate_v they_o in_o the_o same_o glass_n body_n and_o set_v they_o again_o to_o crystallize_v as_o before_o in_o a_o cool_a place_n take_v care_n to_o separate_v all_o the_o yellow_a faeces_fw-la you_o find_v reiterate_v this_o process_n of_o disolve_v and_o filter_v evaporate_n and_o crystallize_a the_o three_o time_n than_o you_o will_v have_v a_o well_o purify_v and_o refine_a vitriol_n we_o will_v here_o add_v for_o the_o sake_n of_o the_o curious_a that_o those_o who_o make_v use_v of_o vitriol_n instead_o of_o roach-allum_n to_o make_v aquafortis_n the_o preparation_n whereof_o we_o have_v show_v in_o the_o precedent_a chap._n ought_v to_o take_v a_o special_a care_n in_o the_o distillation_n that_o assoon_o as_o the_o red_a fume_n be_v pass_v all_o the_o spirit_n of_o nitre_n be_v raise_v and_o that_o then_o the_o fire_n must_v be_v extinguish_v for_o that_o which_o follow_v after_o be_v only_a spirit_n of_o vitriol_n which_o hinder_v the_o operation_n of_o the_o spirit_n of_o nitre_n in_o the_o solution_n of_o metal_n you_o may_v also_o draw_v a_o part_a water_n in_o 12_o hour_n time_n as_o some_o refiner_n do_v during_o which_o time_n but_o little_a spirit_n of_o vitriol_n can_v arise_v with_o their_o fire_n chap._n liv._o the_o way_n to_o make_v aqua_fw-la regalis_fw-la for_o the_o solution_n of_o gold_n and_o other_o metal_n except_o silver_n aqua_fw-la regalis_fw-la be_v nothing_o but_o a_o common_a aquafortis_n wherein_o you_o dissolve_v ¼_n of_o its_o weight_n of_o salarmoniac_a but_o to_o have_v a_o good_a and_o strong_a aqua-regalis_a you_o must_v take_v one_o pound_n of_o aquafortis_n prepare_v as_o in_o chap._n 52._o put_v it_o in_o a_o glass_n matrass_n and_o add_v to_o it_o only_o 2_o ounce_n of_o sal_fw-la ammoniac_a then_o put_v the_o matrass_n into_o a_o warm_a bath_n or_o pan_n of_o warm_a water_n and_o stir_v it_o often_o that_o the_o sal_fw-la armoniac_a may_v be_v well_o dissolve_v in_o the_o aquafortis_n which_o will_v be_v tinge_v of_o a_o yellow_a colour_n then_o you_o must_v add_v as_o much_o salarmoniac_a to_o it_o as_o the_o aquafortis_n can_v dissolve_v then_o let_v it_o settle_v a_o little_a and_o the_o salarmoniac_a will_v leave_v at_o the_o bottom_n all_o its_o terrestreity_n after_o that_o decant_v it_o gentle_o off_o into_o another_o vessel_n so_o that_o you_o do_v trouble_v the_o settle_n at_o bottom_n or_o rather_o filter_n it_o through_o whited-brown_a paper_n this_o water_n will_v dissolve_v gold_n and_o other_o metal_n far_o better_o than_o the_o common_a aqua_fw-la regalis_fw-la except_o silver_n which_o it_o touch_v not_o at_o all_o for_o reason_n which_o chemist_n be_v acquaint_v with_o chap._n lv._o another_o way_n of_o make_v aqua-regalis_a far_o strong_a than_o the_o former_a our_o design_n be_v not_o only_o to_o show_v operation_n and_o process_n proper_a for_o glass_n but_o also_o for_o the_o sake_n of_o gentleman_n chemical_o incline_v who_o curiosity_n be_v not_o content_v with_o what_o be_v common_a or_o with_o ordinary_a preparation_n those_o which_o we_o here_o give_v of_o aqua-regalis_a be_v among_o the_o number_n of_o those_o who_o virtue_n be_v far_o above_o the_o common_a preparation_n they_o more_o intimate_o penetrate_v and_o dissolve_v gold_n and_o other_o metal_n than_o other_o render_v they_o more_o volatile_a and_o consequent_o more_o proper_a to_o be_v draw_v over_o in_o distillation_n the_o first_o be_v that_o which_o some_o philosopher_n call_v the_o water_n of_o the_o two_o champion_n which_o be_v make_v with_o two_o part_n of_o purify_a sulphur_n two_o part_n of_o purify_a salarmoniac_a and_o one_o part_n of_o calcine_v flint_n all_o reduce_v to_o powder_n and_o mix_v well_o together_o then_o take_v a_o earthen_a retort_n which_o must_v have_v a_o little_a hole_n on_o the_o back_n or_o curvature_n on_o the_o upper_a side_n through_o which_o you_o may_v put_v in_o the_o ingredient_n for_o the_o more_o safety_n sake_n you_o may_v lute_n the_o body_n of_o the_o retort_n over_o well_o and_o let_v it_o dry_v then_o put_v it_o in_o the_o furnace_n we_o have_v describe_v chap._n lii_o and_o fit_a to_o it_o a_o great_a glass_n recipient_a by_o reason_n of_o the_o violence_n of_o the_o spirit_n wherein_o you_o may_v put_v a_o little_a common_a water_n to_o attract_v they_o lute_z the_o joint_n of_o they_o as_o you_o do_v for_o aquafortis_n and_o let_v they_o be_v well_o dry_v before_o you_o kindle_v the_o fire_n for_o reason_n we_o have_v elsewhere_o assign_v the_o lute_n be_v dry_a and_o all_o in_o right_a order_n you_o must_v begin_v by_o a_o gentle_a fire_n that_o the_o retort_n may_v grow_v warm_a by_o degree_n and_o afterward_o gradual_o increase_v it_o till_o it_o grow_v red-hot_a then_o put_v in_o at_o the_o hole_n of_o the_o retort_n four_o ounce_n at_o a_o time_n of_o the_o ingredient_n you_o have_v prepare_v and_o stop_v it_o again_o present_o do_v thus_o you_o will_v see_v in_o a_o little_a time_n great_a quantity_n of_o cloudy_a vapour_n arise_v and_o pass_v into_o the_o receiver_n and_o fill_v it_o which_o will_v dissolve_v little_a by_o little_a mix_v themselves_o with_o the_o common_a water_n and_o the_o receiver_n will_v grow_v clear_a assoon_o as_o you_o perceive_v this_o you_o must_v put_v four_o ounce_n more_o of_o your_o ingredient_n into_o the_o retort_n and_o give_v time_n for_o
this_o first_o step_n towards_o extract_v it_o as_o such_o whereby_o the_o curious_a may_v succeed_v with_o small_a trouble_n chap._n clxviii_o the_o way_n to_o make_v enamel_n of_o a_o blood-colour_n red._n since_o we_o have_v give_v a_o small_a elegy_n to_o every_o other_o colour_n it_o be_v unjust_a for_o we_o not_o to_o continue_v the_o like_a on_o this_o which_o be_v a_o true_a symbol_n of_o blood_n by_o which_o the_o glory_n of_o the_o martyr_n who_o with_o so_o much_o generosity_n and_o courage_n shed_v they_o for_o the_o faith_n of_o christ_n may_v be_v represent_v as_o well_o as_o of_o those_o many_o brave_a and_o heroic_a person_n who_o have_v interpose_v for_o the_o preservation_n and_o support_v of_o church_n and_o state_n it_o be_v therefore_o a_o illustrious_a badge_n of_o eminent_a courage_n thus_o alexander_n hannibal_n scipio_n and_o very_o many_o other_o great_a and_o noble_a prince_n choose_v this_o colour_n for_o their_o livery_n and_o for_o their_o shield_n to_o stain_v enamel_n of_o this_o colour_n take_v ten_o pound_n of_o common_a frit_n mention_v in_o chap._n 12._o add_v thereto_o six_o pound_n of_o glass_n of_o saturn_n prepare_v as_o in_o chap._n 82._o the_o whole_a make_v into_o a_o very_a fine_a powder_n must_v be_v put_v into_o a_o glaze_v earthen_a pot_n at_o the_o glass-house_n furnace_n to_o melt_v boil_v and_o refine_v after_o this_o cast_v thereon_o powder_n of_o thrice_o calcine_v copper_n as_o in_o chap._n 34._o at_o discretion_n stir_v it_o all_o about_o that_o they_o may_v incorporate_v together_o with_o powder_n of_o red_a tartar_n until_o the_o mass_n become_v red_a as_o blood_n observe_v whether_o the_o colour_n be_v too_o pale_a and_o if_o so_o continue_v to_o put_v in_o more_o of_o these_o powder_n of_o copper_n and_o tartar_n until_o it_o be_v perfect_o stain_v and_o thus_o you_o will_v have_v a_o delicate_a deep_a sanguine_a enamel_n fit_a for_o all_o manner_n of_o work_n you_o can_v desire_v to_o apply_v it_o chap._n clxix_o another_o blood-colour_n enamel_n this_o enamel_n will_v be_v very_o beautiful_a and_o may_v serve_v instead_o of_o the_o rose-colour_n enamel_n hereafter_o prescribe_v to_o make_v it_o put_v ten_o pound_n of_o frit_n for_o crystal_n chap._n 6._o and_o six_o pound_n of_o glass_n of_o saturn_n before_o mention_v into_o one_o of_o the_o glass-house_n furnace_n pot_n let_v it_o melt_v and_o purge_v well_o after_o this_o cast_v it_o into_o water_n dry_v it_o and_o return_v it_o into_o the_o pot_n when_o it_o be_v well_o melt_v again_o throw_v in_o at_o several_a time_n five_o or_o six_o ounce_n of_o powder_n of_o thrice_o calcine_v copper_n stir_v the_o whole_a with_o the_o iron_n crook_n to_o mix_v and_o incorporate_v they_o well_o together_o and_o also_o a_o like_a quantity_n of_o powder_n of_o red_a tartar_n still_o stir_v it_o this_o be_v well_o boil_v and_o refine_a observe_v whether_o the_o colour_n be_v perfect_a if_o not_o add_v equal_a part_n of_o the_o powder_n of_o copper_n and_o tartar_n according_a to_o your_o judgement_n as_o much_o as_o you_o find_v necessary_a to_o bring_v it_o to_o a_o perfection_n let_v it_o remain_v to_o boil_v and_o purify_v try_v it_o again_o and_o again_o until_o you_o find_v it_o complete_o colour_v chap._n clxx_o another_o red_a enamel_n of_o a_o very_a splendid_a ruby-colour_n the_o beauty_n of_o this_o enamel_n be_v very_o surprise_v and_o of_o as_o lively_a a_o lustre_n as_o the_o ruby_n itself_o which_o it_o communicate_v to_o all_o the_o work_n wherein_o it_o be_v use_v for_o this_o fine_a effect_n we_o must_v have_v recourse_n to_o the_o fusible_a manganese_n in_o chap._n 164._o add_v twenty_o ounce_n thereof_o to_o each_o pound_n of_o crystal_n ground_n mention_v chap._n 163._o let_v the_o whole_a be_v well_o purify_v then_o try_v the_o colour_n and_o according_a as_o you_o find_v it_o add_v the_o great_a or_o lesser_a quantity_n of_o manganese_n or_o crystal_a ground_n respective_o until_o it_o be_v bring_v to_o its_o just_a degree_n of_o perfection_n as_o a_o ruby_n and_o which_o ought_v to_o be_v very_o admirable_a chap._n clxxi_o another_o ballas-ruby-colour_n enamel_n the_o same_o manganese_n must_v be_v have_v to_o make_v this_o fine_a colour_n put_v ten_o pound_n of_o crystal_n ground_n ●n_a chap._n 163._o in_o a_o glaze_v pot_n to_o melt_v and_o purge_v at_o the_o glass-house_n furnace_n throw_v the_o matter_n into_o water_n dry_a and_o melt_v over_o again_o do_v thus_o thrice_o and_o when_o the_o mass_n be_v afterward_o well_o melt_v thing_fw-mi it_o with_o the_o fusible_a manganese_n as_o before_o and_o it_o will_v become_v purple-coloured_a add_v to_o it_o at_o eight_o time_n impalpable_a powder_n of_o alom_n to_o bring_v it_o to_o a_o red._n be_v very_o careful_a that_o the_o alom_n do_v not_o blacken_v it_o but_o rather_o make_v it_o yellowish_a and_o the_o manganese_n dissipate_v it_o will_v become_v red_a and_o so_o make_v the_o colour_n most_o perfect_a and_o just_a of_o a_o fine_a ballas-ruby_n chap._n clxxii_o another_o enamel_n of_o a_o rose-colour_n for_o gold_n nothing_o be_v fair_a and_o of_o great_a gaiety_n than_o this_o for_o all_o work_n where_o it_o may_v be_v use_v and_o therefore_o we_o will_v give_v you_o several_a way_n for_o its_o preparation_n take_v ten_o pound_n of_o crystal_n ground_n in_o chap._n 163_o melt_v it_o at_o the_o glass-house_n furnace_n in_o a_o glaze_v pot_n add_v to_o it_o at_o four_o time_n five_o ounce_n of_o red_a calcine_v copper_n as_o in_o chap._n 33._o stir_v the_o metal_n every_o time_n then_o put_v into_o it_o crocus_n martis_n chap._n 26._o and_o manganese_n as_o before_o prepare_v then_o let_v it_o alone_o to_o cleanse_v for_o six_o hour_n and_o if_o the_o colour_n be_v not_o true_a put_v in_o by_o little_a and_o little_o more_o crocus_n martis_n until_o it_o come_v to_o your_o like_n and_o be_v of_o a_o fine_a rose-colour_n chap._n clxxiii_o another_o very_a fine_a rose-colour_n among_o our_o rose-colour_n enamel_n this_o seem_v the_o fine_a to_o make_v which_o take_v four_o pound_n of_o crystal_n ground_n of_o chap._n 163._o let_v it_o melt_v in_o a_o glaze_v pot_n at_o the_o glass-house_n furnace_n cast_v it_o afterward_o into_o water_n and_o melt_v it_o over_o again_o add_v by_o little_a and_o little_a a_o ounce_n and_o half_a of_o calx_fw-la prepare_v as_o in_o chap._n 148._o stir_v the_o metal_n every_o time_n to_o incorporate_v then_o let_v it_o alone_o for_o a_o little_a while_n until_o you_o perceive_v it_o of_o a_o ash-colour_n when_o it_o come_v to_o that_o forbear_v put_v in_o any_o more_o calx_fw-la lest_o you_o make_v it_o too_o white_a then_o refine_v the_o mass_n and_o after_o add_v to_o it_o minium_n two_o ounce_n purge_v refine_v and_o throw_v it_o out_o into_o water_n and_o put_v it_o into_o the_o pot_n let_v it_o stand_v to_o melt_v and_o purify_v over_o again_o about_o eight_o hour_n then_o put_v in_o a_o ounce_n and_o half_a of_o red_a thrice_o calcine_v copper_n and_o as_o much_o crude_a white_a tartar_n with_o a_o dram_n of_o bloodstone_n and_o the_o like_a quantity_n of_o fix_a sulphur_n in_o chap._n 165._o these_o pulverise_v very_o fine_a and_o mix_v together_o stir_v the_o metal_n and_o incorporate_v they_o very_o well_o together_o afterward_o see_v if_o the_o colour_n answer_v your_o expectation_n if_o it_o be_v too_o deep_a add_v a_o little_a more_o manganese_n to_o weaken_v it_o if_o it_o be_v too_o pale_a improve_v it_o with_o some_o more_o of_o the_o last_o composition_n of_o copper_n tartar_n bloodstone_n and_o sulphur_n until_o it_o be_v to_o purpose_n and_o thus_o you_o have_v a_o enamel_n of_o a_o exceed_a fair_a rose-colour_n chap._n clxxiv_o another_o rose-colour_n enamel_n practice_n have_v already_o experience_v so_o many_o way_n to_o bring_v this_o fine_a enamel_n to_o the_o most_o advance_a improvement_n that_o it_o be_v impossible_a to_o expect_v any_o great_a and_o for_o such_o as_o will_v make_v it_o they_o may_v proceed_v bold_o thus_o set_a six_o pound_n of_o crystal_n ground_n as_o in_o chap._n 163._o in_o a_o glaze_v pot_n at_o the_o glass-house_n furnace_n to_o melt_v and_o cleanse_v then_o cast_v into_o it_o at_o four_o several_a time_n intermit_a four_o ounce_n of_o calx_fw-la as_o prepare_v of_o lead_n and_o tin_n in_o chap._n 148._o stir_v the_o matter_n very_o well_o at_o each_o time_n until_o it_o incorporate_v then_o let_v it_o all_o purge_n for_o a_o while_n and_o cast_v it_o ladle-full_a by_o ladle-full_a into_o water_n and_o again_o put_v all_o into_o the_o pot_n to_o melt_v and_o refine_v anew_o after_o this_o add_v to_o it_o a_o ounce_n and_o half_a of_o red_a copper_n pulverise_v and_o calcine_v as_o in_o chap._n 33._o which_o will_n thing_fw-mi the_o whole_a of_o a_o deep_a colour_n but_o cast_v it_o in_o at_o three_o interval_n and_o stir_v it_o very_o well_o
in_o paint_v glass_n for_o before_o we_o proceed_v to_o prescribe_v the_o rule_n how_o to_o work_v the_o material_n must_v first_o be_v consider_v the_o white_a be_v compound_v of_o several_a ingredient_n the_o first_o be_v small_a white_a river_n pebble-stone_n heat_v red_a over_o a_o fire_n in_o a_o iron-ladle_n and_o throw_v afterward_o into_o a_o earthen-dish_n full_a of_o cold_a water_n to_o calcine_v they_o and_o this_o must_v be_v repeat_v several_a time_n until_o they_o be_v prepare_v afterward_o be_v dry_v pound_n they_o with_o a_o stone_n or_o glass-pestle_n in_o a_o stone-morter_n and_o so_o grind_v they_o upon_o a_o marble_n to_o a_o impalpable_a powder_n then_o mix_v a_o four_o part_n of_o nitre_n with_o it_o and_o calcine_v they_o in_o a_o crucible_n then_o pound_n and_o grind_v they_o again_o and_o calcine_v they_o a_o three_o time_n over_o a_o small_a fire_n than_o your_o former_a and_o so_o take_v they_o off_o for_o use._n this_o do_v when_o you_o will_v paint_n with_o it_o add_v equal_a part_n in_o weight_n of_o gip_n a_o sort_n of_o talc_n find_v among_o plaster-mold_n bake_v on_o the_o coal_n to_o a_o whiteness_n and_o reducible_a to_o powder_n and_o rocaille_n whereof_o we_o have_v already_o speak_v grind_v they_o all_o three_o very_o well_o together_o in_o a_o hollow_a plate_n of_o copper_n with_o gum-arabic_n water_n thus_o have_v you_o your_o white_a in_o good_a condition_n to_o paint_n withal_o chap._n cciu_o to_o prepare_v black_a for_o paint_v on_o glass_n as_o this_o colour_n can_v be_v omit_v in_o any_o sort_n of_o paint_v so_o in_o this_o the_o manner_n of_o use_v it_o be_v much_o the_o same_o and_o the_o preparation_n easy_a you_o must_v grind_v scale_n of_o iron_n from_o the_o smith_n anvil-block_n for_o three_o hour_n on_o the_o shallow_a copper-bason_n or_o plate_n add_v to_o this_o one_o three_o of_o the_o same_o weight_n of_o rocaille_n with_o a_o little_a calx_fw-la of_o copper_n to_o hinder_v the_o iron_n from_o turn_v red_a in_o the_o fire_n grind_v it_o to_o as_o impalpable_a a_o powder_n as_o you_o can_v bring_v it_o to_o and_o so_o keep_v it_o in_o a_o close_a vessel_n for_o use_n chap._n ccv_o to_o prepare_v a_o yellow_a paint_n for_o glass_n this_o colour_n require_v a_o more_o costly_a preparation_n than_o the_o precedent_n because_o it_o can_v be_v well_o do_v without_o a_o ten_o part_n of_o prepare_a silver_n as_o we_o shall_v show_v hereafter_o take_v fine_a silver_n in_o plate_n from_o the_o copple_n stratifie_v they_o in_o a_o crucible_n with_o powder_n of_o sulphur_n or_o nitre_n the_o first_o and_o last_o lay_v be_v of_o the_o powder_n and_o so_o calcine_v they_o in_o a_o furnace_n this_o do_v cast_v it_o out_o as_o soon_o as_o all_o the_o sulphur_n be_v consume_v into_o a_o earthen-bason_n of_o water_n and_o afterward_o pound_n it_o in_o your_o stone-mortar_n until_o it_o be_v fit_a for_o the_o marble_n and_o so_o grind_v it_o with_o some_o of_o its_o water_n wherein_o it_o be_v cool_v for_o six_o hour_n then_o add_v nine_o time_n its_o weight_n of_o red-oak_a and_o grind_v they_o together_o for_o a_o full_a hour_n and_o it_o be_v do_v and_o fit_a for_o paint_v on_o glass_n chap._n ccvi_o to_o make_v a_o blue_n for_o paint_v glass_n the_o whole_a secret_a of_o this_o preparation_n depend_v on_o the_o calcine_v the_o ingredient_n and_o goodness_n of_o the_o crucible_n take_v two_o ounce_n of_o zaffer_n two_o ounce_n of_o minium_n and_o eight_o ounce_n of_o very_a fine_a white_a sand_n put_v all_o these_o into_o a_o bell-metal_n mortar_n and_o pound_n they_o very_o well_o and_o so_o into_o a_o crucible_n cover_v and_o lute_v over_o a_o quick_a fire_n for_o a_o hour_n then_o draw_v off_o the_o crucible_n and_o pound_n they_o again_o as_o before_o this_o do_v add_v a_o four_o of_o its_o weight_n in_o salt-peter_n powder_v and_o have_v mix_v all_o very_a well_o together_o return_v they_o into_o a_o crucible_n cover_v and_o lute_v which_o place_n again_o in_o the_o furnace_n for_o two_o hour_n at_o least_o continue_v such_o another_o fire_n as_o the_o former_a the_o crucible_n be_v off_o and_o cool_v a_o second_o time_n grind_v the_o mass_n as_o before_o and_o so_o put_v it_o into_o a_o crucible_n again_o with_o a_o six_o part_n of_o salt-petre_a and_o let_v it_o remain_v on_o the_o fire_n for_o three_o hour_n then_o take_v off_o the_o crucible_n and_o immediate_o with_o a_o iron-spatula_a red_a hot_a take_v out_o the_o matter_n lest_o it_o shall_v stick_v be_v very_o clammy_a and_o hard_a to_o be_v empty_v it_o be_v convenient_a to_o have_v strong_a crucibles_fw-fr for_o this_o calcination_n because_o it_o remain_v so_o considerable_a a_o while_n in_o the_o fire_n and_o they_o must_v be_v lute_v with_o a_o extraordinary_a lute_n you_o may_v use_v that_o we_o have_v give_v direction_n for_o in_o chap._n 109._o add_v powder_n of_o borax_n to_o the_o powder_n of_o glass_n vitrify_v which_o help_v the_o fusion_n of_o the_o glass_n which_o we_o have_v omit_v there_o but_o the_o great_a stress_n lie_v in_o bake_v the_o crucible_n afterward_o in_o a_o small_a fire_n to_o cement_v the_o pore_n and_o make_v the_o earth_n compact_v as_o glass_n which_o will_v be_v very_o much_o further_v if_o you_o throw_v on_o it_o a_o considerable_a quantity_n of_o salt_n as_o it_o come_v out_o of_o the_o fire_n this_o will_v glaze_v it_o and_o capacitate_v it_o for_o retain_v the_o spirit_n in_o the_o fire_n chap._n ccvii_o to_o make_v red_a colour_n for_o glass_n paint_v this_o require_v as_o much_o caution_n as_o the_o blue_n you_o must_v take_v scale_n of_o iron_n and_o litharge_v of_o silver_n of_o each_o a_o dram_n feretto_n of_o spain_n half_a a_o dram_n rocaille_n three_o dram_fw-la and_o half_a grind_v all_o these_o for_o half_a a_o hour_n on_o a_o shallow_a copperplate_n in_o the_o mean_a time_n pound_n three_o dram_fw-la of_o bloodstone_n in_o a_o iron-mortar_n and_o add_v it_o to_o the_o rest_n then_o pound_n a_o dram_n of_o gum-arabic_n in_o that_o mortar_n to_o a_o impalpable_a powder_n to_o take_v off_o the_o remain_v of_o your_o bloodstone_n and_o so_o add_v it_o to_o the_o rest_n grind_v they_o still_o continual_o lest_o the_o bloodstone_n be_v spoil_v the_o best_a manner_n of_o grind_v these_o be_v to_o pour_v water_n by_o little_a and_o little_a on_o the_o ingredient_n as_o you_o grind_v they_o neither_o wet_n they_o too_o much_o nor_o too_o little_a but_o just_a as_o much_o as_o will_v keep_v a_o good_a temper_n as_o for_o paint_v afterward_o put_v all_o into_o a_o foot_n glass_n and_o so_o drop_v on_o it_o through_o a_o small_a hollow_a cane_n of_o wood_n or_o with_o your_o finger_n as_o much_o water_n as_o will_v bring_v it_o to_o the_o consistence_n of_o a_o eggs-yolk_n butter_v or_o a_o little_a more_o then_o cover_v the_o glass_n to_o preserve_v it_o from_o dust_n and_o so_o let_v it_o stand_v three_o day_n to_o settle_v after_o this_o decant_v the_o clear_a and_o pure_a of_o the_o colour_n that_o rise_v at_o top_n into_o another_o glass_n without_o disturb_v the_o sediment_n and_o two_o day_n after_o it_o have_v settle_v anew_o pour_v off_o again_o the_o pure_a of_o the_o colour_n as_o before_o this_o do_v set_v it_o in_o the_o body_n of_o a_o break_a matrass_n or_o bolt-head_n over_o a_o gentle_a flow_n fire_n to_o dry_v easy_o and_o so_o keep_v it_o for_o use_n when_o you_o have_v occasion_n for_o it_o take_v a_o little_a fair_a water_n in_o a_o glass_n and_o with_o it_o moisten_v as_o much_o colour_n as_o you_o think_v convenient_a that_o will_v be_v excellent_a for_o carnation_n as_o for_o the_o faeces_fw-la which_o be_v very_o thick_a dry_v they_o too_o and_o you_o may_v moisten_v these_o in_o like_a manner_n with_o water_n for_o drapery_n timber-colour_n and_o such_o other_o as_o you_o think_v convenient_a chap._n ccviii_o to_o make_v a_o purple-colour_n for_o paint_v of_o glass_n the_o preparation_n of_o this_o purple-colour_n be_v exact_o like_o that_o of_o the_o blue_n for_o this_o reason_n we_o need_v not_o use_v any_o tedious_a repetition_n you_o must_v take_v a_o ounce_n of_o zaffer_n and_o a_o ounce_n of_o very_a pure_a and_o clean_a perigeux_n two_o ounce_n of_o minium_n eight_o ounce_n of_o very_a fine_a white_a sand_n pound_n all_o these_o in_o a_o bell-metal_n mortar_n and_o reduce_v it_o to_o a_o impalpable_a powder_n put_v it_o afterward_o into_o a_o good_a crucible_n well_o cover_v and_o lute_v in_o the_o furnace_n keep_v a_o very_a good_a fire_n to_o it_o for_o a_o hour_n then_o draw_v it_o out_o and_o as_o soon_o as_o it_o be_v cold_a pound_n the_o mass_n over_o again_o in_o the_o same_o mortar_n to_o this_o add_v a_o four_o part_n of_o its_o weight_n of_o nitre_n mix_v they_o together_o and_o put_v they_o into_o
without_o any_o prejudice_n to_o the_o draught_n from_o displace_v they_o and_o so_o confound_v the_o figure_n and_o pourtrait_n or_o from_o the_o lead_n which_o must_v join_v they_o afterward_o by_o obscure_v any_o part_n of_o the_o paint_n then_o mark_v out_o each_o piece_n on_o the_o tablet_n by_o no._n 1_o 2_o 3._o for_o better_a distinction_n and_o so_o trace_v they_o over_o with_o the_o black_a give_v in_o chap._n 204._o with_o a_o pencil_n as_o we_o shall_v further_o show_v do_v this_o very_o exact_o neither_o too_o slight_o nor_o too_o thick_a and_o so_o let_v it_o stand_v two_o day_n to_o dry_a before_o you_o paint_v it_o then_o have_v all_o your_o colour_n in_o readiness_n so_o as_o direct_v in_o the_o forego_n chapter_n fill_v your_o piece_n off_o with_o colour_n for_o which_o use_v the_o nib_n of_o the_o pencil_n especial_o in_o carnation_n where_o you_o must_v be_v very_o exact_a you_o must_v also_o be_v very_o circumspect_a and_o expedition_n and_o take_v a_o great_a deal_n of_o care_n not_o to_o blot_v or_o blur_v the_o tracing_n and_o choose_v rather_o to_o paint_v on_o the_o other_o side_n of_o the_o glass_n all_o the_o colour_n except_o yellow_a may_v be_v apply_v on_o the_o same_o side_n and_o that_o you_o must_v do_v on_o the_o contrary_a side_n because_o it_o be_v apt_a to_o mingle_v with_o the_o other_o colour_n and_o if_o near_o the_o blue_n will_v compose_v a_o green_a so_o that_o for_o want_v of_o such_o precaution_n the_o whole_a work_n may_v be_v spoil_v if_o the_o yellow_a transmit_v itself_o perfect_o through_o the_o quarre_n it_o be_v as_o well_o as_o if_o it_o have_v be_v do_v on_o the_o same_o side_n and_o take_v notice_n by_o the_o way_n that_o the_o other_o colour_n have_v not_o so_o ready_a a_o transition_n because_o they_o consist_v of_o a_o grosser_n body_n the_o yellow_a aught_o to_o be_v very_o equal_o and_o just_o lay_v on_o in_o a_o great_a or_o lesser_a quantity_n as_o you_o will_v have_v your_o shadow_n observe_v this_o too_o in_o the_o rest_n especial_o to_o lay_v they_o on_o as_o quick_a as_o possible_a as_o we_o have_v already_o say_v particular_o the_o azure_a green_a and_o purple_a require_v the_o most_o exactness_n of_o any_o now_o to_o set_v off_o and_o heighten_v the_o light_n in_o pile_v a_o beard_n describe_v hair_n in_o drapery_n or_o otherwise_o use_v the_o handle_n or_o butt-end_n of_o the_o pencil_n a_o small_a point_a stick_n or_o quill_n wherewith_o take_v off_o the_o colour_n in_o those_o place_n you_o will_v enlighten_v which_o be_v easy_o do_v such_o work_n as_o be_v do_v in_o grisaille_n you_o must_v paint_v after_o this_o manner_n trace_v your_o piece_n with_o black_a and_o let_v it_o dry_v for_o two_o day_n entire_o do_v it_o over_o very_o light_o and_o equal_o with_o a_o wash_v so_o thin_a lay_v on_o as_o not_o to_o efface_v the_o first_o line_n and_o let_v it_o dry_v for_o two_o day_n after_o this_o run_v it_o over_o again_o with_o the_o same_o wash_v where_o you_o find_v it_o convenient_a to_o give_v a_o second_o thing_fw-mi and_o let_v it_o dry_v two_o day_n long_o then_o to_o give_v it_o the_o light_n and_o convenient_a heightning_n take_v the_o sharp_a butt-end_n of_o your_o pencil_n or_o point_a stick_n or_o pen_n as_o before_o and_o take_v off_o the_o colour_n of_o the_o first_o wash_v in_o the_o most_o necessary_a place_n and_o so_o your_o work_n will_v be_v finish_v to_o make_v this_o wash_n be_v easy_a take_v a_o small_a pewter_n cup_n or_o other_o vessel_n and_o put_v therein_o a_o quantity_n of_o black_a colour_n then_o dissolve_v gum-arabic_n powder_v in_o its_o weight_n of_o wine_n and_o throw_v this_o on_o the_o black_a in_o the_o pewter-dish_n or_o saucer_n that_o it_o may_v be_v very_o clear_a and_o not_o easy_o dry_v and_o that_o you_o may_v have_v your_o wash_n for_o paint_v glass_n in_o grisaille_n or_o grace_n chap._n ccxiii_o how_o to_o order_n your_o glass_n in_o the_o furnace_n after_o paint_v and_o to_o manage_v the_o fire_n after_o your_o glass_n be_v full_o paint_v and_o the_o draught_n perfect_o finish_v the_o difficulty_n will_v be_v to_o bake_n the_o piece_n so_o as_o to_o give_v it_o a_o consistency_n with_o the_o glass_n by_o penetration_n which_o may_v be_v thus_o do_v you_o must_v work_v with_o the_o furnace_n mention_v in_o chap._n 202._o and_o its_o stove_n of_o good_a crucible_n earth_n to_o contain_v all_o the_o work_n which_o must_v be_v stratify_v on_o this_o manner_n take_v good_a quicklime_n well_o digest_v sear_v and_o fine_o pulverise_v and_o for_o the_o better_a security_n let_v it_o digest_v thrice_o in_o a_o potter_n furnace_n and_o so_o powder_n and_o searce_v it_o then_o make_v a_o very_a even_o lay_v thereof_o about_o half_a a_o inch_n thick_a on_o the_o bottom_n of_o your_o stove_n and_o then_o a_o lay_v of_o piece_n of_o break_a glass_n and_o afterward_o another_o lay_n of_o powder_n and_o so_o another_o of_o glass_n than_o another_o of_o powder_n the_o reason_n of_o make_v this_o stratification_n of_o powder_n and_o old_a glass_n be_v to_o prevent_v any_o injury_n from_o the_o violence_n of_o the_o fire_n which_o will_v be_v very_a smart_n under_o the_o stove_n this_o do_v upon_o the_o three_o bed_n of_o powder_n lay_v a_o lay_n of_o paint_a glass_n and_o so_o continue_v s.s.s._n each_o lay_n of_o powder_n and_o glass_n be_v equal_o or_o even_o make_v until_o all_o the_o piece_n of_o paint_n be_v put_v in_o or_o the_o stove_n full_a and_o upon_o the_o last_o lie_v of_o glass_n lie_v the_o uppermost_a of_o powder_n somewhat_o thick_a than_o the_o former_a then_o cover_v the_o furnace_n with_o its_o shrowd_n of_o earth_n join_v and_o lute_v they_o well_o together_o all_o round_a with_o the_o best_a lute_n so_o that_o it_o may_v admit_v of_o no_o respiration_n but_o through_o the_o fire_n hole_n or_o the_o open_v of_o the_o furnace_n whilst_o you_o draw_v out_o the_o proof_n or_o trial_n you_o make_v as_o we_o have_v hint_v elsewhere_o your_o furnace_n be_v thus_o order_v and_o the_o lute_n dry_v very_o well_o begin_v to_o heat_v it_o gentle_o with_o some_o charcoal_n on_o the_o outside_n of_o the_o furnace_n at_o the_o entrance_n and_o so_o by_o degree_n and_o very_o leisurely_o improve_n it_o lest_o the_o glass_n shall_v be_v break_v or_o the_o paint_v spoil_v continue_v thus_o for_o two_o hour_n than_o thrust_v the_o fire_n in_o further_a and_o let_v it_o remain_v there_o for_o a_o hour_n put_v it_o in_o by_o little_a and_o little_a under_o the_o stove_n where_o leave_v it_o for_o two_o hour_n long_o then_o increase_v the_o fire_n by_o degree_n for_o two_o hour_n and_o so_o continue_v to_o apply_v fuel_n until_o the_o furnace_n be_v full_a of_o charcoal_n and_o you_o perceive_v the_o flame_n convey_v its_o self_n through_o every_o hole_n of_o the_o cover_n keep_v it_o thus_o very_o violent_a for_o three_o or_o four_o hour_n shut_v the_o door_n of_o the_o furnace_n you_o must_v be_v very_o cautious_a and_o circumspect_a during_o the_o whole_a work_n from_o the_o first_o two_o hour_n that_o the_o fire_n remain_v at_o the_o entrance_n observe_v from_o time_n to_o time_n to_o draw_v forth_o your_o trial_n or_o piece_n of_o proof_n in_o your_o stove_n to_o see_v if_o the_o colour_n be_v melt_v and_o the_o yellow_a qualify_v you_o may_v perceive_v how_o the_o work_n go_v on_o by_o the_o sparkle_a of_o the_o iron-bar_n under_o the_o stove_n as_o soon_o as_o you_o find_v your_o colour_n almost_o do_v improve_v the_o fire_n with_o some_o very_a small_a billet_n of_o dry_a wood_n they_o must_v be_v very_o little_a for_o ease_v in_o put_v they_o in_o and_o to_o prevent_v smoke_v and_o to_o make_v the_o flame_n environ_fw-fr and_o reverberate_v over_o and_o round_o about_o the_o stove_n which_o must_v be_v continue_v until_o you_o have_v finish_v this_o will_v be_v in_o twelve_o or_o fourteen_o hour_n then_o let_v the_o fire_n go_v out_o and_o the_o work_n cool_v of_o its_o self_n and_o so_o take_v it_o out_o and_o it_o will_v be_v finish_v chap._n ccxiu_o another_o way_n to_o paint_n on_o glass_n though_o the_o former_a way_n be_v very_o fine_a and_o lasting_a as_o can_v be_v yet_o we_o will_v here_o show_v another_o more_o easy_a and_o altogether_o as_o effectual_a take_v very_o white_a glass_n varnish_n it_o very_o thin_a on_o one_o side_n with_o a_o white_a varnish_n then_o have_v before_o make_v choice_n of_o some_o fine_a impress_n or_o cut_v on_o paper_n just_a fit_a for_o the_o piece_n of_o glass_n you_o design_v to_o paint_v its_o fancy_n on_o dip_v it_o in_o water_n and_o let_v it_o soak_v and_o dry_v a_o little_a clap_v the_o picture-side_n thereof_o to_o the_o varnish-side_n of_o the_o glass_n as_o exact_o plain_a and_o even_o
you_o work_v it_o the_o better_a and_o easy_a the_o colour_n may_v be_v draw_v afterward_o make_v it_o up_o like_o a_o loaf_n or_o brick_n and_o set_v it_o in_o a_o earthen-dish_n to_o dry_a pour_v thereon_o some_o fresh_a water_n let_v it_o steep_v for_o fifteen_o day_n the_o long_o the_o better_o for_o extract_v the_o vltra-marine_a chap._n ccxxxv_o to_o extract_v the_o ultra-marine_a now_o we_o come_v to_o take_v out_o the_o vltra-marine_a from_o its_o confinement_n to_o make_v it_o appear_v triumphant_a and_o in_o its_o full_a glory_n take_v therefore_o the_o loaf_n of_o cement_n and_o powder_n wash_v it_o in_o the_o same_o water_n extraordinary_a well_o with_o your_o hand_n weigh_v it_o to_o know_v the_o quantity_n of_o oil_n it_o require_v and_o put_v it_o into_o a_o earthen-bowl_n or_o dish_n very_o smooth_o glaze_v rub_v first_o the_o bottom_n with_o your_o linseed-oyl_n then_o pour_v in_o water_n scarce_o warm_v until_o it_o arise_v two_o inch_n above_o the_o matter_n let_v it_o stand_v in_o this_o condition_n a_o full_a quarter_n of_o a_o hour_n or_o less_o in_o the_o springtime_n pour_v this_o water_n afterward_o into_o the_o vessel_n mention_v chap._n 230._o add_v more_o warm_a water_n to_o your_o matter_n and_o so_o it_o will_v soften_v continue_v thus_o whilst_o there_o remain_v any_o tincture_n thereon_o by_o this_o mean_v all_o the_o substance_n that_o be_v good_a for_o any_o thing_n will_v be_v separate_v from_o the_o cement_n which_o can_v be_v do_v otherwise_o whilst_o it_o be_v imbibe_v in_o the_o warm_a water_n you_o must_v move_v and_o roll_n it_o gentle_o round_a with_o two_o stick_n or_o spatula_n of_o box_n or_o any_o other_o well_o polish_a wood_n round_v at_o the_o end_v smooth_a like_o a_o walnut_n let_v they_o be_v about_o a_o ell_n long_o and_o a_o inch_n thick_a whenever_o you_o perceive_v the_o matter_n stick_v to_o the_o bottom_n of_o your_o dish_n rub_v your_o hand_n with_o linseed-oyl_n and_o stir_v it_o about_o leisurely_o so_o as_o to_o colour_v the_o water_n which_o you_o must_v put_v along_o with_o the_o former_a in_o the_o mean_a time_n hold_v up_o the_o matter_n with_o your_o staff_n lest_o it_o shall_v stick_v to_o the_o vessel_n take_v notice_n that_o a_o little_a steep_v at_o first_o will_v thing_fw-mi the_o water_n very_o much_o and_o when_o the_o cement_n be_v just_o yield_v its_o colour_n it_o will_v discover_v certain_a bluish_a streak_n on_o the_o water_n like_o the_o sun-ray_n and_o then_o you_o must_v strain_v this_o water_n out_o among_o the_o other_o through_o a_o scarce_a that_o the_o grosser_n part_n of_o the_o cement_n may_v remain_v afterward_o pour_v in_o by_o little_a and_o little_a the_o fresh_a warm_a water_n stir_v the_o cement_n easy_o that_o it_o may_v not_o dilate_v too_o much_o and_o give_v its_o colour_n all_o at_o once_o after_o you_o have_v thus_o stir_v it_o about_o five_o or_o six_o time_n close_a and_o amass_o it_o anew_o by_o which_o mean_n you_o will_v see_v how_o much_o it_o be_v diminish_v and_o what_o quantity_n of_o colour_n it_o have_v give_v if_o the_o lapis_n be_v good_a and_o right_n you_o will_v find_v it_o will_v the_o first_o steeping_n yield_v about_o four_o or_o five_o ounce_n of_o vltra-marine_a which_o keep_v apart_o by_o its_o self_n as_o the_o best_a and_o fine_a colour_n though_o it_o appear_v grosser_n than_o the_o other_o of_o this_o sort_n by_o reason_n of_o the_o gold-coloured_n vein_n which_o be_v peculiar_o therein_o for_o the_o second_o whereof_o you_o will_v have_v three_o or_o four_o ounce_n you_o must_v follow_v the_o process_n aforemention_v this_o indeed_o will_v be_v fine_a than_o the_o other_o but_o not_o so_o good_a a_o colour_n keep_v it_o also_o by_o itself_o draw_v off_o a_o three_o and_o this_o will_v be_v still_o fine_a than_o the_o former_a but_o pale_a and_o more_o bright_a colour_a you_o must_v still_o pursue_v the_o same_o direction_n to_o extract_v it_o let_v your_o water_n be_v but_o half_a lukewarm_a and_o take_v care_n to_o manage_v the_o cement_n dextrous_o with_o the_o spatula_n and_o so_o preserve_v the_o colour_n apart_o you_o may_v extract_v a_o four_o colour_n after_o this_o rate_n but_o the_o water_n must_v be_v hot_a and_o you_o must_v press_v the_o cement_n very_o well_o with_o the_o spatula_n to_o squeeze_v out_o the_o colour_n and_o if_o mere_a water_n will_v not_o do_v make_v use_n of_o the_o mild_a lixivium_n of_o chap._n 229._o this_o last_o colour_n will_v be_v grayish_a or_o ash-coloured_a and_o of_o no_o great_a value_n and_o therefore_o not_o at_o all_o to_o be_v mix_v with_o any_o of_o the_o rest_n observe_v here_o that_o you_o can_v take_v up_o less_o than_o eight_o hour_n full_a to_o extract_v the_o colour_n nor_o than_o ten_o or_o twelve_o to_o allow_v the_o water_n for_o settle_v and_o if_o you_o perceive_v the_o colour_n do_v not_o come_v out_o free_a enough_o with_o the_o warm_a water_n add_v a_o three_o part_n of_o our_o mild_a lixivium_n and_o if_o that_o do_v not_o do_v use_v all_o lixivium_n but_o let_v it_o be_v cold_a and_o when_o that_o fail_v too_o of_o effect_v it_o sufficient_o you_o must_v make_v a_o lixivium_n of_o vine-stalk_n ash_n and_o this_o be_v strain_v let_v it_o boil_v for_o half_a a_o quarter_n of_o a_o hour_n until_o it_o be_v sharp_a enough_o to_o bite_v your_o tongue_n and_o then_o let_v it_o settle_v and_o grow_v clear_a this_o be_v your_o last_o shift_n for_o extract_v your_o colour_n and_o with_o this_o heat_a wash_v your_o cement_n very_o well_o and_o set_v it_o aside_o the_o whole_a design_n of_o all_o this_o trouble_n be_v only_o to_o serve_v for_o obtain_v the_o great_a quantity_n of_o vltra-marine_a and_o this_o consist_v in_o the_o goodness_n of_o the_o lapis_fw-la lazuli_fw-la and_o the_o cement_n which_o the_o circumspection_n and_o care_n take_v in_o all_o their_o preparation_n must_v advance_v chap._n ccxxxvi_o the_o method_n of_o cleanse_v the_o ultra-marine_a when_o it_o be_v separate_v from_o the_o cement_n after_o you_o have_v extract_v all_o your_o colour_n out_o of_o the_o cement_n and_o the_o water_n quite_o settle_v and_o separate_v from_o they_o pour_v on_o some_o of_o the_o mild_a lixivium_n before_o prescribe_v and_o so_o wash_v they_o with_o your_o hand_n but_o do_v rub_v it_o between_o they_o thus_o you_o will_v take_v away_o all_o the_o grease_n of_o the_o cement_n afterward_o wash_v it_o three_o or_o four_o time_n in_o fair_a water_n and_o let_v the_o water_n settle_v well_o before_o you_o put_v they_o into_o their_o proper_a vessel_n you_o may_v else_o another_o way_n purge_v the_o vltra-marine_a thus_o take_v the_o yolk_n of_o pullets-egg_n that_o have_v be_v feed_v only_o with_o corn_n and_o not_o with_o green_n prick_v these_o with_o a_o pin_n and_o so_o moisten_v the_o colour_n knead_v the_o mass_n with_o your_o hand_n and_o wash_v it_o afterward_o with_o your_o mild_a lixivium_n until_o the_o lixivium_n fall_v off_o clear_a again_o this_o do_v wash_v they_o three_o or_o four_o time_n over_o with_o fair_a water_n let_v the_o water_n settle_v well_o before_o you_o put_v they_o into_o their_o vessel_n this_o last_o way_n of_o purify_n the_o vltra-marine_a be_v mighty_a effectual_a but_o here_o be_v another_o help_n to_o be_v use_v with_o it_o which_o be_v a_o very_a great_a secret_n and_o perform_v thus_o after_o the_o colour_n be_v quite_o wash_v according_a to_o former_a direction_n as_o well_o as_o possible_a you_o must_v cast_v therein_o by_o little_a and_o little_a a_o bull's-gall_n rub_v it_o by_o degree_n with_o your_o hand_n so_o wash_v they_o often_o in_o clear_a water_n and_o you_o will_v have_v the_o colour_n in_o full_a perfection_n chap._n ccxxxvii_o to_o strain_v off_o the_o ultra-marine_a already_o wash_v and_o purify_v it_o be_v necessary_a to_o strain_v off_o the_o vltra-marine_a and_o the_o rest_n of_o the_o colour_n that_o if_o any_o grease_n or_o unctuosity_n of_o the_o cement_n remain_v it_o may_v be_v take_v quite_o away_o for_o these_o colour_n require_v a_o perfect_a and_o extraordinary_a purification_n for_o this_o purpose_n take_v a_o fine_a searce_n and_o pour_v thereon_o the_o last_o water_n with_o which_o you_o wash_v the_o vltra-marine_a and_o so_o strain_v they_o afterward_o through_o another_o fine_a searce_n and_o a_o three_o time_n through_o red_a quintain_n or_o crape_n but_o you_o must_v observe_v when_o you_o strain_v they_o to_o let_v they_o stand_v till_o you_o perceive_v they_o limpid_a and_o clear_a and_o so_o soak_v off_o the_o water_n dextrous_o with_o a_o sponge_n and_o be_v sure_a not_o to_o strain_v they_o promiscuous_o all_o together_o this_o be_v do_v to_o all_o the_o water_n let_v your_o colour_n settle_v in_o their_o proper_a vessel_n and_o dry_a in_o the_o shade_n when_o dry_a put_v they_o into_o little_a leather
tie_v these_o close_a rub_v and_o press_v they_o with_o your_o hand_n this_o will_v make_v they_o very_o subtle_a and_o when_o the_o bag_n be_v open_v they_o will_v show_v much_o fair_a than_o before_o chap._n ccxxxviii_o to_o correct_v the_o colour_n just_a before_o prepare_v few_o person_n unless_o such_o as_o be_v very_o curious_a of_o their_o work_n make_v any_o use_n hereof_o because_o of_o the_o time_n it_o take_v up_o though_o it_o will_v turn_v very_o much_o to_o their_o account_n for_o one_o ounce_n of_o this_o colour_n correct_v will_v go_v far_o than_o three_o that_o be_v not_o if_o you_o will_v make_v your_o colour_n just_a before_o prepare_v much_o fine_a and_o effectual_a than_o they_o be_v mix_v they_o again_o with_o a_o strong_a cement_n and_o let_v they_o remain_v therein_o for_o three_o day_n afterward_o proceed_v according_a to_o the_o last_o direction_n to_o separate_v they_o again_o reiterate_v this_o over_o again_o and_o you_o will_v have_v they_o exceed_v good_a and_o though_o they_o diminish_v somewhat_o in_o weight_n yet_o that_o loss_n will_v be_v repay_v considerable_o in_o the_o beauty_n and_o value_n chap._n ccxxxix_o another_o way_n to_o make_v ultra-marine_a and_o draw_v off_o the_o colour_n with_o more_o expedition_n this_o method_n of_o make_v vltra-marine_a be_v much_o more_o ready_a than_o the_o former_a and_o experience_n will_v show_v whether_o the_o colour_n be_v a_o gainer_n or_o loser_n thereby_o take_v a_o pound_n of_o lapis_fw-la lazuli_fw-la calcine_v it_o in_o a_o crucible_n and_o quench_v it_o afterward_o in_o vinegar_n so_o let_v it_o dry_v and_o then_o reduce_v it_o to_o a_o very_a fine_a powder_n grind_v it_o on_o a_o porphyry_n with_o fair_a water_n and_o so_o set_v it_o in_o a_o glaze_v earthen_a vessel_n in_o the_o shade_n until_o it_o be_v dry_a if_o you_o find_v it_o coagulate_v all_o in_o a_o mass_n you_o must_v powder_v it_o again_o this_o do_v make_v a_o cement_n of_o three_o ounce_n of_o grecian-pitch_n four_o ounce_n of_o rosin_n of_o the_o pine_n three_o ounce_n of_o mastic_n three_o ounce_n of_o frankincense_n two_o ounce_n of_o oyl-olive_n set_v these_o over_o a_o slow_a fire_n in_o a_o small_a earthen_a pot_n into_o which_o pour_v first_o the_o oil_n and_o when_o that_o be_v hot_a put_v in_o the_o rosin_n than_o the_o pitch_n than_o the_o incense_n and_o last_o of_o all_o the_o mastic_n stir_v they_o continual_o with_o the_o wooden_a spatula_fw-la and_o let_v they_o boil_v a_o little_a have_v make_v the_o cement_n get_v another_o earthen_a vessel_n and_o put_v thereinto_o the_o lapis_fw-la lazuli_fw-la and_o pour_v on_o it_o the_o cement_n hot_a stir_v the_o whole_a together_o with_o the_o spatula_fw-la very_o leisurely_o until_o they_o perfect_o incorporate_v let_v this_o stand_v a_o whole_a day_n and_o when_o you_o will_v draw_v off_o the_o colour_n pour_v thereon_o boil_a water_n stir_v it_o very_o smart_o when_o it_o begin_v to_o cool_v pour_v it_o out_o and_o so_o put_v in_o more_o hot_a water_n do_v thus_o till_o the_o water_n begin_v to_o draw_v off_o the_o colour_n and_o so_o continue_v until_o it_o be_v quite_o extract_v you_o may_v distinguish_v the_o water_n and_o so_o set_v they_o apart_o and_o obtain_v the_o variety_n of_o colour_n as_o in_o the_o former_a way_n if_o your_o colour_n seem_v to_o be_v clammy_a or_o nasty_a you_o may_v correct_v it_o thus_o add_v thereto_o tartar_n dissolve_v in_o water_n as_o much_o as_o will_v drown_v it_o and_o let_v it_o repose_v for_o one_o day_n at_o least_o so_o wash_v it_o in_o warm_a water_n and_o you_o will_v by_o that_o mean_n have_v it_o very_o correct_v and_o well_o purify_v chap._n ccxl_o another_o way_n to_o make_v ultra-marine_a grant_v the_o two_o former_a way_n to_o be_v sufficient_a we_o will_v however_o here_o give_v a_o three_o which_o we_o believe_v may_v as_o well_o be_v please_v to_o those_o who_o be_v not_o satisfy_v with_o the_o other_o as_o to_o such_o person_n as_o have_v a_o curiosity_n for_o these_o sort_n of_o work_n and_o thus_o we_o propose_v to_o proceed_v not_o to_o discourse_v of_o the_o way_n to_o try_v the_o goodness_n of_o the_o lapis_fw-la lazuli_fw-la which_o we_o have_v mention_v sufficient_o already_o you_o must_v break_v it_o into_o gross_a piece_n as_o small_a as_o nut_n than_o set_v these_o in_o a_o crucible_n into_o the_o furnace_n till_o they_o redden_a with_o heat_n and_o so_o cast_v they_o into_o cold_a water_n do_v thus_o six_o or_o seven_o time_n and_o so_o reduce_v they_o to_o impalpable_a powder_n in_o a_o porphyry-mortar_n well_o cover_v over_o lest_o the_o powder_n which_o be_v very_o subtle_a shall_v disperse_v away_o into_o the_o air_n and_o then_o searce_v it_o with_o a_o fine_a searce_n also_o cover_v after_o this_o take_v of_o rosin_n of_o pine_n ordinary_a black_a pitch_n mastic_n fresh_a wax_n and_o turpentine_n of_o each_o three_o ounce_n of_o incense_n and_o linseed-oyl_n each_o one_o ounce_n melt_v all_o together_o in_o a_o earthen_a vessel_n stir_v they_o very_o well_o that_o they_o may_v mix_v this_o stuff_n be_v well_o incorporate_v cast_v it_o into_o water_n and_o keep_v it_o for_o use_n to_o each_o pound_n of_o lapis_fw-la lazuli_fw-la add_v ten_o ounce_n thereof_o and_o set_v they_o to_o dissolve_v in_o a_o pot_n over_o a_o small_a fire_n first_o melt_v the_o cement_n and_o then_o cast_v on_o the_o lapis_fw-la lazuli_fw-la by_o little_a and_o little_a observe_v such_o a_o order_n in_o this_o and_o continual_o stir_v the_o mass_n with_o a_o stick_n that_o they_o may_v mix_v insensible_o together_o afterward_o cast_v the_o mass_n into_o a_o earthen_a vessel_n of_o cold_a water_n and_o anoint_v your_o hand_n with_o linseed-oyl_n mould_v it_o up_o into_o a_o number_n of_o cake_n or_o roll_n which_o leave_v in_o cold_a water_n for_o five_o day_n shift_v the_o water_n every_o other_o day_n this_o do_v put_v they_o into_o a_o large_a and_o very_o clean_o glaze_v earthen_a vessel_n pour_v on_o they_o some_o clean_a hot_a water_n when_o that_o cool_v pour_v in_o more_o hot_a and_o do_v thus_o till_o the_o pastil_v soften_v with_o the_o heat_n of_o the_o water_n this_o do_v put_v they_o into_o hot_a water_n and_o let_v they_o be_v until_o it_o receive_v a_o bluish_a colour_n strain_v this_o water_n to_o reserve_v the_o grosser_n piece_n and_o so_o put_v it_o into_o another_o glaze_v earthen_a vessel_n very_o clean_o add_v more_o to_o the_o pastil_v which_o strain_n through_o a_o fine_a searce_n afterward_o among_o the_o former_a continue_v this_o until_o all_o the_o colour_n be_v extract_v and_o no_o more_o remain_v behind_o your_o water_n must_v be_v only_o warm_a otherwise_o it_o will_v occasion_v a_o blackness_n in_o the_o colour_n which_o be_v to_o be_v take_v care_n of_o and_o import_v very_o much_o all_o your_o colour_a water_n be_v in_o the_o vessel_n you_o may_v cleanse_v they_o of_o any_o unctuosity_n by_o repose_v they_o for_o twenty_o four_o hour_n in_o which_o time_n the_o co●our_n 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crystal_n into_o precious_a stone_n as_o also_o by_o several_a other_o way_n we_o will_v only_o add_v that_o there_o be_v several_a other_o less_o and_o particular_a secret_n by_o which_o it_o may_v be_v make_v soft_a and_o fusil_n like_o wax_n and_o afterward_o reduce_v to_o its_o former_a hardness_n in_o water_n but_o these_o be_v little_a curiosity_n that_o serve_v to_o no_o purpose_n glass_n may_v receive_v either_o within_o or_o without_o any_o sort_n of_o metallick_n colour_n which_o make_v it_o very_o proper_a for_o paint_v those_o which_o we_o shall_v teach_v to_o extract_n from_o metal_n and_o show_v in_o this_o book_n for_o the_o ting_a of_o glass_n give_v it_o a_o lustre_n equal_a to_o precious_a stone_n and_o set_v it_o off_o with_o a_o unspeakable_a beauty_n as_o we_o have_v give_v you_o the_o ordinary_a preparation_n of_o all_o sort_n of_o metal_n crystal_n glass_n rochetta_n soda_fw-it tartar_n manganese_n salt_n sulphur_n vitriol_n aquafortis_n and_o regis_fw-la paste_n enamel_n pearl_n and_o other_o thing_n contain_v in_o this_o work_n so_o we_o can_v safe_o say_v we_o have_v give_v you_o more_o of_o they_o than_o be_v common_a and_o some_o which_o have_v never_o be_v public_a which_o we_o have_v all_o along_o take_v particular_a care_n to_o do_v to_o oblige_v the_o curious_a in_o this_o art_n who_o will_v apprehend_v it_o better_o by_o read_v the_o book_n itself_o than_o we_o can_v tell_v they_o in_o the_o preface_n but_o more_o particular_o to_o show_v our_o ingenuous_a and_o vnprejudiced_a impartiality_n in_o this_o affair_n and_o how_o little_a envy_n we_o have_v to_o the_o student_n and_o practiser_n of_o this_o art_n we_o discover_v to_o they_o such_o extraordinary_a and_o precious_a receipt_n in_o it_o as_o will_v have_v be_v industrious_o conceal_v by_o any_o other_o hand_n because_o they_o point_v out_o the_o path_n to_o person_n conversant_a and_o illuminate_v in_o these_o study_n even_o to_o their_o great_a secret_n and_o most_o hide_a 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city_n of_o metz_n in_o that_o of_o st._n owen_n at_o rouen_n in_o th●_n castle_n of_o gaillon_n and_o annet_fw-la and_o in_o several_a other_o place_n which_o will_v be_v tedious_a to_o relate_v where_o in_o a●_n of_o they_o be_v to_o be_v see_v some_o of_o those_o prodigy_n o●_n art_n the_o way_n to_o become_v perfect_a in_o any_o art_n be_v whole_o to_o d●_n vote_n and_o give_v one_o self_n up_o to_o it_o but_o the_o most_o part_n of_o thos●_n who_o have_v so_o zealous_o apply_v themselves_o to_o it_o and_o be●_n come_v excellent_a therein_o have_v leave_v no_o other_o patrimony_n ●●_z their_o heir_n but_o their_o own_o empty_a fame_n which_o they_o a●●_n way_n pursue_v when_o alive_a with_o far_o more_o vigour_n than_o th●_n good_n of_o fortune_n witness_v lisippus_n that_o incomparab●●_n engraver_n why_o die_v of_o mere_a poverty_n because_o instea●_n of_o seek_v whereby_o to_o live_v he_o continual_o employ_v himself_o about_o his_o art_n and_o miron_n who_o seem_v to_o have_v animate_v his_o statue_n cast_v they_o so_o happy_o in_o brass_n l●●_n so_o little_a behind_o he_o that_o no_o one_o will_v take_v the_o pain_n to_o ●_o his_o executor_n to_o look_v after_o it_o we_o may_v give_v a_o thousand_o example_n of_o these_o truth_n and_o in_o what_o esteem_v those_o who_o have_v excel_v in_o these_o art_n have_v be_v have_v by_o great_a prince_n all_o over_o the_o world_n but_o the_o subject_n will_v require_v a_o large_a discourse_n than_o we_o have_v allot_v to_o this_o preface_n which_o oblige_v we_o to_o come_v to_o a_o conclusion_n only_a further_o desire_v the_o reader_n not_o to_o expect_v any_o quaintness_n of_o expression_n or_o politeness_n of_o style_n but_o rather_o to_o content_v himself_o with_o the_o exactness_n which_o we_o have_v always_o take_v care_n to_o observe_v in_o give_v he_o the_o preparation_n we_o pretend_v to_o show_v with_o all_o the_o truth_n and_o fidelity_n possible_a of_o the_o art_n of_o glass_n part_n i._n chap._n i._o of_o the_o original_a antiquity_n and_o use_v of_o glass_n it_o have_v not_o be_v without_o reason_n that_o several_a learned_a person_n have_v compare_v man_n to_o a_o microcosm_n or_o little_a world_n since_o he_o contain_v in_o himself_o all_o the_o excellency_n of_o the_o great_a and_o that_o god_n have_v create_v he_o after_o his_o own_o image_n have_v give_v he_o a_o absolute_a dominion_n over_o all_o creature_n in_o this_o world_n not_o only_o over_o animal_n and_o vegetable_n and_o those_o other_o visible_a mix_v body_n among_o which_o we_o be_v immediate_o conversant_a but_o also_o over_o metal_n mineral_n semimineral_n precious_a stone_n pearl_n coral_n and_o whatever_o treasure_n be_v hide_v in_o the_o bowel_n of_o the_o earth_n or_o bottom_n of_o the_o sea_n that_o he_o may_v make_v use_n of_o they_o for_o his_o own_o pleasure_n and_o that_o by_o the_o understanding_n god_n have_v give_v he_o he_o may_v know_v their_o property_n to_o make_v they_o useful_a for_o his_o particular_a occasion_n the_o power_n of_o nature_n be_v limit_v in_o all_o her_o effect_n and_o man_n alone_o can_v augment_v and_o enlarge_v by_o art_n the_o virtue_n and_o power_n which_o she_o have_v produce_v by_o separate_v the_o pure_a from_o the_o impure_a that_o which_o be_v more_o subtle_a and_o spiritual_a from_o the_o more_o gross_a and_o earthy_a which_o nature_n herself_o can_v do_v by_o reason_n she_o have_v no_o tool_n nor_o instrument_n proper_a for_o such_o separation_n especial_o of_o those_o impurity_n which_o by_o proceed_v from_o the_o corruption_n of_o the_o matrix_n where_o all_o her_o generation_n be_v make_v perpetual_o mix_v themselves_o with_o all_o her_o production_n beside_o that_o the_o universal_a seed_n or_o spirit_n of_o the_o world_n which_o contain_v in_o itself_o the_o three_o principle_n and_o four_o element_n whereof_o every_o thing_n in_o
keep_v they_o so_o three_o day_n stir_v they_o every_o day_n well_o during_o which_o you_o may_v add_v fresh_a file_n little_o by_o little_a wherein_o you_o must_v be_v very_o cautious_a for_o it_o rise_v so_o much_o by_o fermentation_n in_o the_o aqu._n reg._n that_o it_o will_v endanger_v break_v the_o glass_n or_o run_v over_o after_o three_o day_n set_v your_o cucurbite_n on_o a_o gentle_a fire_n that_o all_o the_o water_n may_v evaporate_v till_o it_o leave_v the_o crocus_n behind_o dry_a which_o be_v admirable_a for_o ting_a glass_n which_o keep_v for_o use_v chap._n xxviii_o another_o way_n to_o make_v crocus_n martis_n this_o way_n though_o it_o be_v easy_a make_v a_o crocus_n of_o no_o less_o virtue_n and_o beauty_n than_o the_o precedent_n to_o make_v it_o take_v fine_a file_n of_o iron_n or_o steel_n without_o any_o rust_n let_v they_o stand_v in_o a_o reverberatory_n furnace_n with_o a_o very_a strong_a fire_n the_o heat_n be_v at_o least_o to_o the_o four_o degree_n till_o it_o become_v of_o the_o colour_n of_o purple_a then_o take_v it_o out_o of_o the_o fire_n and_o when_o it_o be_v cool_a put_v it_o into_o a_o vessel_n full_a of_o water_n and_o stir_v it_o brisk_o about_o and_o then_o present_o pour_v off_o the_o water_n into_o another_o vessel_n which_o you_o may_v reiterate_v thus_o there_o will_v remain_v in_o the_o first_o vessel_n the_o iron_n that_o be_v not_o yet_o calcine_v which_o if_o you_o please_v you_o may_v put_v again_o into_o a_o reverberatory_n furnace_n in_o the_o second_o vessel_n there_o will_v be_v the_o crocus_n which_o set_v over_o a_o gentle_a fire_n to_o evaporate_v the_o water_n but_o you_o must_v not_o decant_v off_o the_o water_n though_o it_o appear_v clear_a after_o it_o have_v settle_v for_o though_o the_o crocus_n may_v seem_v to_o be_v precipitate_v to_o the_o bottom_n yet_o the_o water_n contain_v the_o most_o subtle_a part_n of_o it_o imperceptible_o suspend_v in_o it_o have_v well_o evaporate_v the_o water_n you_o will_v have_v a_o very_a red_a powder_n very_o fine_a and_o extraordinary_a which_o keep_v for_o use_v chap._n xxix_o the_o last_o way_n of_o make_v crocus_n martis_n this_o last_o way_n will_v be_v of_o some_o use_n to_o those_o who_o shall_v desire_v to_o have_v the_o iron_n or_o steel_n granulate_v or_o in_o little_a drop_n the_o metal_n whereof_o be_v difficult_a to_o melt_v take_v a_o bar_n of_o one_o or_o the_o other_o metal_n of_o the_o weight_n of_o five_o or_o six_o pound_n which_o heat_n as_o hot_a as_o you_o can_v in_o a_o smith_n forge_n so_o that_o it_o may_v sparkle_v when_o it_o come_v out_o of_o the_o fire_n at_o the_o same_o time_n another_o person_n must_v have_v ready_a a_o long_a stick_n of_o brimstone_n and_o large_a which_o be_v the_o best_a for_o this_o operation_n and_o the_o metal_n come_v out_o of_o the_o fire_n in_o the_o condition_n we_o have_v show_v you_o must_v thrust_v they_o one_o against_o another_o over_o a_o great_a earthen_a pan_n full_a of_o warm_a water_n into_o which_o the_o metal_n will_v drop_v in_o little_a drop_n or_o granuli_fw-la melt_v like_o wax_n when_o touch_v by_o the_o sulphur_n than_o you_o must_v take_v those_o little_a grain_n and_o stratifie_v they_o in_o a_o crucible_n with_o powder_a brimstone_n and_o afterward_o set_v they_o in_o a_o reverberatory-fire_n where_o they_o will_v be_v reduce_v to_o a_o red_a powder_n which_o grind_v and_o searce_v and_o keep_v for_o your_o use_n chap._n xxx_o the_o way_n to_o calcine_v little_a plate_n of_o copper_n to_o thing_fw-mi glass_n of_o a_o blue_a colour_n we_o have_v show_v the_o way_n to_o make_v crocus_n martis_n for_o colour_v glass_n and_o now_o we_o will_v show_v that_o of_o copper_n which_o be_v very_o near_o in_o nature_n to_o the_o other_o as_o we_o have_v remark_v and_o which_o dissolve_v in_o the_o same_o acid_n and_o corrosive_n venus_n as_o well_o as_o mars_n or_o copper_n as_o well_o as_o iron_n give_v we_o different_a colour_n which_o proceed_v from_o different_a way_n of_o prepare_v they_o as_o we_o shall_v see_v in_o the_o follow_a chapter_n merret_n pretend_v that_o brass_n give_v we_o a_o fine_a blue_a than_o copper_n by_o reason_n of_o the_o lapis_fw-la calaminaris_n which_o be_v mix_v with_o it_o and_o partly_o cause_v the_o colour_n of_o all_o metal_n copper_n be_v only_o use_v as_o alloy_n to_o give_v malleability_n to_o gold_n and_o silver_n in_o coin_n it_o melt_v easy_o in_o a_o indifferent_a heat_n but_o it_o be_v calcine_v into_o powder_n with_o difficulty_n there_o be_v several_a way_n of_o calcine_v copper_n here_o follow_v five_o of_o they_o by_o help_n of_o fire_n the_o first_o be_v of_o copper_n alone_o without_o any_o addition_n the_o second_o by_o the_o addition_n of_o sulphur_n the_o three_o by_o vitriol_n the_o four_o of_o brass_n alone_o divers_a way_n the_o five_o by_o a_o preparation_n of_o the_o vitriol_n of_o venus_n these_o preparation_n be_v the_o best_a and_o of_o more_o value_n than_o those_o prepare_v by_o spirit_n and_o corrosive_n all_o these_o different_a way_n of_o calcination_n and_o preparation_n of_o venus_n shall_v be_v explain_v in_o several_a chapter_n of_o this_o treatise_n whither_o the_o curious_a reader_n may_v have_v recourse_n the_o little_a plate_n or_o leave_n whereof_o we_o be_v now_o to_o show_v the_o preparation_n be_v a_o sort_n of_o copper_n or_o brass_n exceed_v thin_a approach_v the_o colour_n of_o gold_n call_v festoon_n these_o plate_n be_v make_v of_o this_o colour_n by_o lapis_n calaminaris_n which_o do_v not_o only_a colour_n the_o copper_n but_o augment_v its_o weight_n this_o brass_n be_v well_o calcine_v tinge_n glass_n of_o a_o blue_n and_o sea-green_a the_o way_n to_o calcine_v it_o be_v this_o to_o avoid_v the_o expense_n of_o buy_v new_a you_o may_v make_v use_n of_o those_o leaf_n that_o have_v be_v already_o use_v and_o work_v they_o be_v good_a and_o cut_v they_o with_o scissors_n into_o little_a piece_n and_o put_v they_o into_o a_o crucible_n cover_v and_o lute_v in_o the_o mouth_n of_o a_o furnace_n to_o calcine_v and_o let_v they_o stand_v there_o for_o four_o day_n at_o a_o coal_n fire_n so_o that_o the_o leaf_n may_v not_o melt_v for_o than_o they_o will_v be_v unfit_a for_o this_o use_n the_o four_o day_n be_v expire_v the_o whole_a will_v be_v calcine_v beat_v they_o on_o a_o porphury_a stone_n and_o searce_v they_o through_o a_o fine_a sieve_n and_o you_o will_v have_v a_o blackish_a powder_n which_o you_o must_v spread_v on_o tile_n and_o put_v it_o into_o the_o same_o furnace_n for_o four_o day_n long_o then_o take_v it_o out_o and_o blow_v off_o the_o ash_n that_o may_v be_v fall_v on_o it_o then_o reduce_v it_o again_o into_o powder_n searce_v it_o through_o a_o fine_a sieve_n as_o before_o and_o keep_v it_o for_o use_n you_o may_v know_v when_o it_o be_v well_o calcine_v if_o the_o glass_n rise_v and_o swell_v when_o you_o put_v it_o upon_o it_o if_o it_o do_v not_o you_o must_v calcine_v other_o leaf_n those_o be_v not_o serviceable_a by_o reason_n they_o be_v burn_v in_o the_o calcination_n chap._n xxxi_o another_o way_n of_o calcine_v these_o leaf_n of_o copper_n to_o make_v a_o very_a transparent_a red_a yellow_a and_o chalcedony_n take_v the_o same_o leave_v as_o in_o the_o precedent_n chap._n cut_v they_o into_o small_a piece_n and_o stratifie_v they_o with_o sulphur_n pulverise_v in_o a_o crucible_n cover_v and_o lute_v then_o set_v they_o on_o burn_a coal_n at_o the_o mouth_n of_o the_o oven_n to_o calcine_v for_o twenty_o four_o hour_n then_o take_v it_o out_o and_o grind_v it_o small_a then_o put_v it_o in_o a_o earthen_a vessel_n in_o a_o reverberatory_n furnace_n where_o leave_v it_o 10_o hour_n take_v it_o out_o and_o powder_v it_o then_o keep_v it_o for_o use_n chap._n xxxii_o to_o calcine_v copper_n to_o a_o red_a powder_n which_o serve_v in_o several_a process_n for_o colour_v glass_n although_o copper_n be_v of_o the_o same_o nature_n as_o brass_n which_o serve_v to_o colour_n glass_n blue_a yet_o there_o be_v some_o difference_n between_o they_o for_o the_o latter_a will_n thing_fw-mi it_o of_o several_a colour_n which_o proceed_v from_o the_o lapis_fw-la calaminaris_n and_o some_o other_o mixture_n in_o the_o preparation_n to_o make_v this_o powder_n take_v what_o quantity_n you_o please_v of_o copper_n in_o thin_a plate_n put_v it_o into_o a_o great_a crucible_n into_o the_o furnace_n till_o it_o be_v calcine_v without_o melt_v then_o be_v cool_v reduce_v it_o into_o powder_n which_o will_v be_v very_o red_a and_o searce_v it_o whereof_o you_o may_v make_v divers_a use_n as_o we_o shall_v show_v hereafter_o chap._n xxxiii_o to_o make_v copper_n thrice_o calcine_v for_o colour_v glass_n the_o same_o red_a powder_n in_o the_o precede_a chapter_n
the_o vapour_n arise_v again_o to_o dissolve_v as_o before_o then_o reiterate_v this_o process_n till_o all_o your_o ingredient_n be_v distil_v off_o then_o unlute_v your_o receiver_n and_o pour_v the_o liquor_n into_o a_o alembick_a and_o draw_v off_o the_o phlegm_n in_o balneo_fw-la mariae_fw-la and_o rectify_v it_o in_o a_o ash-fire_n then_o your_o water_n will_v be_v make_v and_o fit_a to_o dissolve_v any_o metal_n but_o silver_n chap._n lvi_o another_o way_n of_o make_v aq._n reg._n more_o easy_a and_o with_o less_o precaution_n this_o second_o way_n of_o make_v aq._n reg._n will_v be_v more_o easy_a than_o the_o former_a and_o the_o water_n of_o as_o much_o force_n take_v 1_o pound_n of_o good_a salt-petre_n powder_n it_o and_o mix_v it_o with_o 3_o pound_n of_o potter_n clay_n or_o flint_n calcine_v to_o powder_n put_v the_o whole_a into_o a_o glass_n retort_n well_o lute_v and_o sit_v to_o it_o a_o great_a receiver_n lute_n the_o joint_n well_o then_o put_v it_o in_o a_o reverberatory_n furnace_n and_o distil_v it_o according_a to_o art_n in_o a_o gradual_a fire_n when_o all_o the_o red_a spirit_n be_v pass_v over_o as_o we_o have_v explain_v in_o speak_v of_o aq._n fortis_fw-la in_o the_o 52_o chapter_n then_o draw_v off_o the_o phlegm_n in_o balneo_fw-la mariae_fw-la which_o the_o chemist_n and_o we_o hereafter_o will_v note_v by_o the_o two_o letter_n b._n m._n then_o rectify_v it_o in_o a_o ash_n furnace_n and_o keep_v it_o for_o use_n then_o take_v a_o pound_n of_o sal_fw-la ammoniac_a well_o powder_v and_o mix_v it_o with_o four_o pound_n of_o wood-ash_n out_o of_o which_o you_o have_v before_o extract_v all_o the_o salt_n with_o warm_a water_n then_o put_v the_o whole_a into_o a_o retort_n sit_v a_o receiver_n to_o it_o and_o distil_v it_o in_o a_o sand-furnace_n and_o the_o spirit_n of_o the_o shall_v ammoniac_a will_v pass_v over_o into_o the_o receiver_n then_o unlute_v your_o receiver_n and_o take_v off_o that_o phlegm_n of_o the_o spirit_n in_o b._n m._n and_o rectify_v it_o in_o ash_n this_o do_v take_v equal_a part_n of_o each_o of_o these_o spirit_n then_o mix_v they_o together_o and_o distil_v they_o in_o a_o ash-furnace_n then_o you_o will_v have_v a_o strong_a menstruum_fw-la for_o dissolve_v gold_n i_o can_v here_o omit_v that_o the_o spirit_n of_o sea-water_n salt_n distil_v as_o salt-petre_a have_v the_o same_o effect_n as_o the_o water_n of_o the_o 2_o champion_n whereof_o we_o have_v give_v the_o preparation_n in_o the_o preced_a chap._n and_o as_o that_o we_o have_v just_a now_o treat_v of_o and_o in_o the_o mean_a while_o be_v not_o so_o sharp_a nor_o corrosive_n you_o must_v to_o make_v it_o successful_o take_v 3_o part_n of_o spirit_n of_o sea-water_n salt_n and_o add_v to_o it_o one_o part_n of_o salt-petre_a then_o distil_v it_o together_o in_o a_o ash-furnace_n the_o better_a to_o unite_v they_o then_o you_o will_v have_v a_o aqua_fw-la regalis_fw-la which_o will_v dissolve_v gold_n soon_o than_o the_o spirit_n of_o salarmoniac_a and_o which_o will_v make_v it_o rise_v and_o pass_v over_o in_o the_o receiver_n thus_o you_o may_v this_o easy_a way_n make_v it_o more_o fit_a for_o the_o use_v you_o design_v it_o for_o but_o notwithstanding_o this_o you_o must_v not_o imagine_v that_o this_o solution_n of_o gold_n be_v a_o radical_a and_o total_a one_o because_o it_o will_v pass_v over_o in_o a_o alembic_n and_o that_o so_o it_o be_v reduce_v into_o a_o species_n of_o aurum_fw-la potabile_fw-la for_o there_o be_v nothing_o but_o the_o one_o sovereign_a menstruum_fw-la of_o the_o philosopher_n which_o have_v that_o virtue_n as_o be_v homogeneous_a to_o it_o and_o form_v of_o it_o that_o be_v the_o only_a liquor_n in_o which_o it_o can_v putrisie_n and_o be_v total_o resolve_v and_o regenerate_v again_o after_o the_o manner_n of_o the_o phoenix_n to_o become_v a_o spiritual_a and_o glorious_a body_n capable_a of_o perform_v all_o those_o wonderful_a effect_n ascribe_v to_o it_o chap._n lvii_o the_o way_n to_o calcine_v tartar_n we_o have_v already_o give_v one_o preparation_n of_o tartar_n in_o chap._n 15._o both_o for_o the_o calcination_n of_o it_o and_o to_o extract_v the_o salt_n and_o we_o have_v large_o show_v in_o chap._n 5._o of_o what_o importance_n it_o be_v to_o dry_v it_o thorough_o for_o that_o reason_n we_o will_v not_o repeat_v it_o here_o but_o refer_v the_o reader_n thither_o to_o make_v this_o calcination_n which_o be_v easy_a take_v tartar_n in_o great_a lump_n the_o thick_a and_o most_o shine_a you_o can_v get_v blow_v away_o all_o the_o powder_n than_o put_v it_o in_o new_a earthen_a pot_n upon_o live_a coal_n or_o in_o a_o little_a furnace_n where_o you_o must_v leave_v it_o till_o it_o smoke_v no_o more_o and_o all_o its_o humidity_n be_v exhale_v and_o it_o be_v reduce_v into_o lump_n of_o a_o black_a purplish_a colour_n than_o it_o be_v calcine_v and_o well_o prepare_v tartar_n may_v also_o be_v calcine_v by_o wrap_v it_o in_o piece_n of_o brown_a paper_n then_o lay_v a_o bed_n of_o live_a coal_n and_o lay_v a_o bundle_n of_o it_o upon_o they_o than_o another_o layer_n or_o bed_n of_o coal_n and_o on_o they_o another_o parcel_n of_o tartar_n continue_v thus_o to_o do_v s._n s._n s._n till_o all_o your_o parcel_n of_o tartar_n be_v lay_v on_o observe_v that_o the_o upper_a layer_n be_v always_o of_o coal_n and_o leave_v the_o whole_a in_o that_o state_n till_o the_o tartar_n be_v well_o calcine_v and_o leave_v off_o smoke_v then_o take_v it_o off_o and_o blow_v away_o the_o ash_n chap._n lviii_o a_o way_n to_o make_v a_o fair_a chalcedony_n in_o glass_n although_o chalcedony_n be_v not_o so_o dear_a as_o it_o have_v be_v heretofore_o since_o it_o be_v find_v in_o europe_n yet_o people_n have_v not_o leave_v off_o counterfeit_v it_o by_o help_n of_o art_n to_o make_v several_a work_n of_o it_o no_o less_o beautiful_a than_o the_o true_a and_o much_o cheap_a we_o will_v show_v three_o different_a way_n to_o prepare_v this_o chalcedony_n which_o will_v make_v three_o different_a species_n of_o it_o all_o of_o they_o very_o fair_a but_o who_o beauty_n may_v be_v also_o augment_v by_o the_o number_n of_o ingredient_n we_o compose_v they_o of_o and_o which_o cause_n those_o diversity_n of_o colour_n which_o that_o stone_n ought_v to_o have_v among_o the_o rest_n of_o the_o ingredient_n we_o employ_v in_o this_o subject_a there_o be_v some_o that_o give_v no_o colour_n to_o glass_n as_o tartar_n soot_n salarmoniac_a and_o mercury_n those_o that_o be_v of_o a_o unctuous_a nature_n as_o lead_v soot_n tartar_n the_o azure-stone_n often_o hinder_v the_o union_n of_o the_o ingredient_n by_o reason_n of_o the_o separation_n which_o may_v happen_v by_o the_o cool_a the_o metal_n which_o do_v not_o happen_v to_o those_o who_o know_v how_o to_o observe_v the_o degree_n of_o heat_n wherein_o the_o principal_a knowledge_n of_o this_o art_n consist_v to_o make_v the_o first_o sort_n of_o chalcedony_n put_v two_o pound_n of_o aqua_fw-la fortis_fw-la whereof_o we_o have_v give_v the_o preparation_n in_o chap._n 52._o into_o a_o glass_n body_n with_o a_o long_a neck_n four_o ounce_n of_o fine_a silver_n in_o small_a and_o thin_a plate_n or_o granulate_v put_v the_o body_n in_o a_o ash_n furnace_n over_o a_o soft_a fire_n or_o in_o warm_a water_n and_o the_o silver_n will_v be_v present_o dissolve_v at_o the_o same_o time_n take_v another_o body_n and_o dissolve_v in_o it_o 6_o ounce_n of_o quicksilver_n in_o a_o pound_n and_o half_a of_o the_o same_o aqua_fw-la fortis_fw-la after_o that_o pour_v both_o the_o solution_n together_o into_o a_o great_a body_n which_o put_v in_o the_o same_o bath_n or_o warm_a water_n or_o ash-furnace_n then_o add_v to_o it_o six_o ounce_n of_o salarmoniac_a which_o dissolve_v over_o a_o gentle_a fire_n then_o put_v to_o it_o one_o ounce_n of_o zaffer_n and_o half_a a_o ounce_n of_o manganese_n prepare_v little_a by_o little_a with_o as_o much_o ferretto_n of_o spain_n also_o little_a by_o little_a for_o fear_v the_o matter_n come_v to_o swell_v too_o much_o shall_v break_v the_o vessel_n add_v to_o all_o these_o ingredient_n one_o ounce_n of_o crocus_n martis_n calcine_v with_o sulphur_n as_o much_o scale_n of_o copper_n thrice_o calcine_v which_o ought_v to_o boil_v like_o manganese_n as_o much_o blue_a lake_n that_o the_o painter_n use_n and_o the_o same_o quantity_n of_o red_a lead_n the_o whole_a reduce_v into_o powder_n in_o put_v in_o these_o powder_n you_o must_v gentle_o stir_v the_o glass_n body_n that_o they_o may_v the_o better_o incorporate_v with_o the_o aqua_fw-la fortis_fw-la nevertheless_o take_v care_n there_o be_v not_o too_o much_o heat_n than_o you_o must_v well_o stop_v the_o matras_n or_o glass_n body_n stir_v it_o well_o every_o day_n for_o ten_o day_n
you_o have_v well_o dry_v your_o crystal_n thus_o calcine_v grind_v they_o to_o a_o impalpable_a powder_n on_o a_o marble_n or_o porphyry_n stone_n by_o put_v a_o little_a on_o at_o a_o time_n and_o fierce_o it_o well_o through_o a_o fine_a silken_a sieve_n and_o since_o we_o use_v this_o powder_n of_o crystal_n for_o all_o artificial_a gem_n whereof_o we_o be_v go_v to_o treat_v your_o best_a way_n will_v be_v to_o keep_v a_o good_a quantity_n by_o you_o which_o you_o may_v always_o have_v recourse_n to_o in_o work_v if_o you_o design_v to_o succeed_v in_o this_o art_n very_o well_o you_o must_v not_o use_v ordinary_a fritt_n of_o crystal_n how_o good_a and_o fair_a soever_o it_o be_v nor_o chalcedony_n nor_o tarso_n nor_o any_o other_o stone_n for_o the_o glass_n make_v of_o they_o be_v far_o less_o fàir_a and_o resplendent_a than_o that_o make_v of_o natural_a crystal_n which_o have_v the_o most_o lustre_n and_o approach_v near_o precious_a stone_n as_o we_o have_v already_o remark_v in_o the_o precede_a chapter_n chap._n xciii_o the_o way_n of_o make_v a_o very_a sine_fw-la and_o pure_a salt_n of_o tartar_n neri_n make_v use_v of_o no_o salt_n of_o tartar_n in_o all_o his_o preparation_n of_o artificial_a gem_n notwithstanding_o this_o salt_n be_v prepare_v after_o a_o certain_a manner_n we_o shall_v here_o relate_v for_o the_o sake_n of_o the_o curious_a it_o serve_v in_o a_o great_a measure_n to_o work_v the_o crystal_n be_v a_o true_a vehicle_n for_o the_o better_a introduce_v the_o colour_n that_o be_v to_o be_v give_v and_o which_o be_v of_o use_n for_o the_o tincture_n several_a way_n those_o who_o in_o their_o operation_n of_o artificial_a gem_n have_v make_v no_o use_n of_o salt_n of_o tartar_n have_v without_o doubt_n be_v ignorant_a of_o this_o fine_a preparation_n of_o it_o for_o if_o you_o use_v ordinary_a salt_n of_o tartar_n there_o be_v a_o sulphur_n and_o foulness_n in_o it_o which_o render_v crystal_n obscure_a and_o consequent_o will_v be_v hurtful_a in_o these_o operation_n to_o make_v this_o salt_n you_o must_v first_o calcine_v your_o tartar_n till_o it_o become_v grey_a and_o not_o to_o perfect_a whiteness_n and_o then_o dissolve_v it_o in_o warm_a water_n to_o extract_v the_o salt_n filter_n that_o water_n and_o then_o evaporate_v it_o over_o the_o fire_n then_o you_o will_v have_v remain_v at_o the_o bottom_n of_o the_o vessel_n a_o white_a salt_n to_o take_v away_o all_o foulness_n from_o this_o salt_n dissolve_v it_o again_o in_o warm_a water_n then_o evaporate_v it_o again_o over_o a_o gentle_a fire_n take_v it_o off_o the_o fire_n and_o cast_v it_o into_o cold_a water_n and_o you_o will_v find_v it_o will_v leave_v on_o the_o surface_n of_o the_o water_n a_o thick_a froth_n which_o you_o must_v skim_v off_o with_o a_o skimmer_n that_o have_v little_a holes_n no_o big_a than_o a_o small_a pin_n head_n put_v the_o vessel_n again_o on_o the_o fire_n and_o evaporate_v the_o water_n as_o before_o then_o take_v it_o off_o the_o fire_n and_o cast_v upon_o it_o fresh_a cold_a water_n and_o skim_v it_o well_o as_o before_o reiterate_v this_o process_n till_o you_o find_v no_o more_o froth_n then_o evaporate_v the_o whole_a over_o a_o gentle_a fire_n till_o it_o be_v dry_a and_o you_o will_v have_v a_o salt_n of_o tartar_n well_o purify_v which_o be_v not_o so_o fusil_n as_o the_o other_o because_o it_o be_v free_a from_o all_o that_o unctuosity_n which_o cause_v the_o fusion_n keep_v this_o salt_n of_o tartar_n in_o a_o vessel_n well_o stop_v and_o use_v of_o it_o in_o crystal_n with_o your_o colour_n when_o you_o set_v they_o to_o melt_v although_o this_o salt_n of_o tartar_n be_v very_o fine_a and_o pure_a yet_o it_o be_v not_o that_o of_o the_o philosopher_n which_o have_v far_o more_o virtue_n and_o open_v more_o powerful_o the_o metal_n and_o mineral_n where_o it_o be_v employ_v though_o it_o be_v of_o the_o same_o nature_n as_o this_o and_o extract_v from_o the_o same_o principle_n the_o philosopher_n have_v moreover_o another_o salt_n of_o tartar_n extract_v from_o metalline_a matter_n and_o this_o last_o be_v far_o more_o excellent_a than_o any_o other_o we_o will_v treat_v thereof_o at_o large_a in_o the_o treatise_n we_o have_v promise_v where_o we_o will_v explain_v the_o virtue_n both_o of_o the_o one_o and_o the_o other_o as_o well_o in_o medicine_n as_o in_o the_o business_n of_o metal_n and_o show_v several_a very_o curious_a effect_n perform_v by_o their_o mean_n chap._n xciv_o to_o make_v a_o past_a for_o oriental_a emerald_n we_o have_v already_o show_v the_o way_n of_o ting_a crystal_n and_o glass_n of_o lead_n of_o a_o very_a fair_a emerald-colour_n but_o not_o to_o make_v a_o stone_n that_o shall_v imitate_v a_o true_a natural_a gem_n which_o may_v be_v use_v in_o ring_n or_o otherwise_o which_o now_o we_o come_v to_o do_v there_o be_v divers_a sort_n of_o emerald_n but_o at_o present_a they_o be_v all_o distinguish_v into_o either_o oriental_a or_o occidental_a the_o oriental_n be_v more_o hard_a and_o the_o other_o less_o we_o will_v show_v several_a way_n of_o imitate_v t●e_v emerald_n more_o or_o less_o full_a which_o will_v be_v all_o beautyful_a this_o be_v the_o first_o take_v two_o ounce_n of_o natural_a crystal_n prepare_v as_o we_o have_v show_v in_o chap._n 92._o and_o 4_o ounce_n of_o common_a minium_n or_o read-lead_a powder_a and_o sear_v add_v 48_o grain_n of_o verdigrease_n well_o pound_v and_o of_o a_o good_a colour_n with_o 8_o grain_n of_o crocus_n martis_n prepare_v with_o vinegar_n as_o we_o have_v show_v chap._n 25._o mix_v the_o whole_a well_o together_o and_o put_v it_o into_o a_o good_a crucible_n that_o will_v resist_v the_o fire_n in_o it_o you_o must_v leave_v a_o inch_n empty_a then_o cover_v the_o the_o crucible_n with_o a_o earthen_a cover_n lute_n it_o well_o and_o dry_v it_o than_o put_v it_o in_o the_o hot_a place_n of_o a_o potter_n furnace_n where_o they_o make_v their_o earthen_a vessel_n and_o let_v it_o stand_v as_o long_o as_o their_o pot_n be_v cold_a break_v the_o crucible_n and_o you_o will_v find_v within_o a_o matter_n of_o the_o colour_n of_o a_o very_a fine_a emerald_n if_o you_o afterward_o set_v it_o in_o gold_n it_o will_v surpass_v in_o beauty_n the_o true_a oriental_a emerald_n if_o it_o happen_v that_o your_o matter_n be_v not_o enough_o resin_v and_o purify_v you_o must_v put_v it_o in_o again_o a_o second_o time_n in_o the_o same_o furnace_n where_o it_o will_v be_v purify_v as_o much_o as_o needs_o be_v which_o you_o may_v know_v by_o lift_v up_o the_o cover_n if_o the_o matter_n appear_v shine_v if_o it_o be_v not_o so_o lute_z the_o cover_v on_o again_o and_o put_v the_o whole_a in_o the_o furnace_n you_o may_v take_v notice_n once_o for_o all_o that_o you_o must_v not_o break_v the_o crucible_n before_o the_o matter_n be_v thorough_o bake_v and_o purify_v for_o if_o you_o do_v and_o so_o be_v oblige_v to_o put_v the_o matter_n into_o another_o crucible_n the_o past_a will_v be_v paint_v and_o full_a of_o blister_n if_o you_o can_v easy_o come_v to_o a_o potter_n furnace_n you_o may_v make_v one_o yourself_o with_o little_a charge_n wherein_o you_o may_v put_v twenty_o crucible_n at_o once_o each_o of_o different_a colour_n so_o one_o bake_n may_v serve_v for_o a_o great_a deal_n of_o matter_n you_o must_v make_v use_n of_o dry_a and_o hard_a wood_n to_o heat_v the_o furnace_n as_o we_o have_v say_v before_o in_o bake_v glass_n and_o continue_v the_o fire_n twenty_o four_o hour_n in_o which_o time_n your_o matter_n ought_v to_o be_v bake_v and_o purify_v enough_o but_o for_o more_o surety_n you_o may_v continue_v the_o fire_n six_o hour_n long_o and_o they_o will_v be_v certain_o bake_v enough_o your_o matter_n be_v thus_o right_o bake_v you_o may_v polish_v it_o at_o the_o wheel_n as_o we_o have_v say_v and_o set_v it_o with_o a_o foil_n in_o gold_n as_o be_v do_v with_o true_a gem_n and_o you_o will_v have_v a_o bright_a emerald_n than_o the_o oriental_a chap._n xcv_o another_o deep_a emerald-colour_n that_o which_o make_v emerald_n deep_o than_o the_o precedent_n proceed_v from_o the_o small_a quantity_n of_o crystal_n employ_v in_o it_o with_o more_o of_o the_o other_o material_n which_o make_v it_o more_o fair_a but_o also_o more_o brittle_a you_o must_v bake_v it_o at_o least_o six_o hour_n long_o than_o the_o precedent_n to_o take_v away_o that_o imperfection_n which_o lead_v usual_o give_v the_o do_v of_o this_o past_a be_v one_o ounce_n of_o natural_a crystal_n prepare_v as_o we_o have_v show_v six_o ounce_n and_o a_o half_a of_o red-lead_a seventy_o five_o grain_n of_o verdigrease_n ten_o grain_n of_o crocus_n martis_n make_v with_o vinegar_n the_o whole_a pulverised_a and_o
very_o well_o each_o time_n with_o your_o iron_n hook_n that_o the_o powder_n may_v incorporate_v and_o for_o reason_n by_o we_o give_v elsewhere_o before_o thus_o when_o your_o matter_n be_v full_o and_o well_o tinge_v take_v the_o approbation_n of_o a_o goldsmith_n on_o some_o of_o it_o as_o to_o the_o colour_n that_o you_o may_v have_v the_o more_o assurance_n before_o you_o proceed_v to_o empty_v your_o pot._n your_o own_o experience_n must_v show_v you_o how_o to_o proportion_v the_o ingredient_n for_o ting_a the_o matter_n more_o or_o less_o if_o you_o perceive_v that_o the_o tinging-powder_n be_v too_o predominant_a add_v the_o more_o principal_a prepare_a powder_n if_o it_o be_v too_o faint_a add_v the_o great_a quantity_n of_o the_o tinging-powder_n and_o thus_o do_v to_o improve_v or_o lessen_v the_o colour_n until_o it_o be_v complete_a or_o to_o satisfaction_n chap._n cli_n to_o make_v a_o very_a fine_a blue_a enamel_n few_o person_n but_o be_v much_o take_v with_o this_o colour_n as_o be_v the_o most_o sightly_o agreeable_a of_o all_o other_o both_o from_o the_o esteem_n of_o its_o natural_a beauty_n which_o make_v it_o eminent_a above_o the_o rest_n of_o colour_n as_o it_o have_v resemblance_n to_o that_o of_o the_o heavenly_a arch_n and_o be_v take_v for_o the_o symbol_n of_o generosity_n you_o may_v make_v enamel_n of_o this_o colour_n with_o four_o pound_n of_o our_o principal_a prepare_a powder_n in_o chapter_n cxlviii_o two_o ounce_n of_o prepare_a zaffer_n forty_o eight_o grain_n of_o copper_n thrice_o calcine_v mention_v in_o the_o precedent_a chapter_n these_o reduce_v to_o a_o mix_a impalpable_a powder_n must_v be_v put_v into_o a_o white_a glaze_v pot_n when_o the_o metal_n be_v well_o melt_v cast_v it_o into_o water_n and_o when_o it_o be_v dry_a return_n it_o to_o the_o pot_n after_o that_o let_v it_o stand_v upon_o the_o fire_n until_o it_o be_v well_o digest_v and_o incorporate_a then_o take_v it_o off_o and_o you_o have_v a_o very_a fine_a enamel_n for_o goldsmith_n which_o make_v into_o cake_n and_o keep_v for_o use_v as_o before_o chap._n clii_o another_o blue_a enamel_n this_o enamel_n be_v altogether_o as_o gay_a as_o the_o former_a only_o the_o colour_n be_v not_o the_o same_o for_o which_o reason_n we_o prescribe_v it_o here_o which_o else_o will_v be_v unnecessary_a to_o make_v it_o take_v principle_n powder_n of_o chap._n 148._o four_o pound_n plate_n of_o copper_n calcine_v as_o in_o chap._n 30._o two_o ounce_n prepare_v zaffer_n as_o in_o chap._n 17._o forty_o eight_o grain_n mix_v and_o reduce_v they_o to_o a_o impalpable_a powder_n put_v this_o into_o your_o white_a glaze_v pot_n and_o have_v melt_v the_o metal_n until_o they_o incorporate_v cast_v it_o into_o water_n whence_o be_v dry_a return_v it_o to_o your_o pot_n and_o let_v it_o remain_v therein_o until_o it_o purify_v when_o the_o colour_n be_v well_o mix_v and_o even_o so_o as_o to_o satisfy_v you_o take_v it_o off_o and_o cake_n it_o as_o usual_a chap._n cliii_o to_o make_v a_o pretty_a green_a enamel_n the_o gaiety_n of_o the_o spring_n be_v conceive_v by_o this_o colour_n render_v it_o exceed_o pleasant_a to_o the_o eye_n it_o be_v a_o idea_n of_o nature_n revive_v a_o triumph_n over_o its_o death_n and_o the_o symbol_n of_o its_o victory_n it_o may_v be_v very_o perfect_o imitate_v if_o you_o put_v four_o pound_n of_o the_o principal_a powder_n in_o your_o white_a glaze_v pot_n and_o let_v it_o melt_v and_o purify_v ten_o or_o twelve_o hour_n in_o the_o furnace_n afterward_o cast_v it_o into_o water_n dry_v it_o and_o put_v it_o again_o into_o the_o pot_n and_o let_v it_o be_v full_o refine_v then_o take_v scale_n of_o copper_n thrice_o calcine_v as_o in_o chap._n 34._o two_o ounce_n scale_n of_o iron_n at_o the_o smith_n forge_n on_o the_o anvil-block_n forty_o eight_o grain_n mix_v and_o reduce_v they_o to_o a_o impalpable_a powder_n and_o throw_v it_o at_o three_o several_a time_n and_o portion_n into_o your_o pot_n of_o principal_a matter_n stir_v the_o metal_n very_o well_o that_o it_o may_v be_v equal_o tinge_v by_o the_o mixture_n of_o the_o colour_n if_o it_o be_v to_o your_o fancy_n and_o of_o a_o pleasant_a colour_n let_v it_o stand_v a_o while_n in_o the_o fire_n until_o it_o be_v thorough_o incorporate_v thus_o take_v it_o off_o and_o you_o will_v have_v a_o delicate_a green_a enamel_n very_o proper_a for_o all_o sort_n of_o goldsmith_n work_n chap._n cliu_o another_o green_a enamel_n the_o colour_n of_o this_o follow_v be_v something_o different_a from_o the_o former_a but_o no_o less_o excellent_a take_v six_o pound_n of_o principal_a powder_n two_o ounce_n of_o feretto_n of_o spain_n prepare_v as_o in_o chap._n 23._o forty_o eight_o grain_n of_o crocus_n martis_n prepare_v with_o vinegar_n according_a to_o direction_n in_o chap._n 25._o make_v these_o into_o a_o impalpable_a powder_n and_o mix_v they_o well_o and_o put_v they_o into_o your_o white_a glaze_v pot_n let_v it_o remain_v in_o the_o furnace_n to_o melt_v and_o refine_v the_o matter_n cast_v it_o after_o this_o into_o water_n and_o again_o into_o your_o pot_n have_v dry_v it_o before_o until_o it_o refine_v very_o well_o when_o it_o be_v melt_v observe_v whether_o the_o colour_n be_v satisfactory_a and_o let_v it_o stand_v some_o hour_n long_a to_o refine_v and_o when_o it_o be_v take_v off_o you_o will_v have_v a_o very_a fine_a green_a enamel_n for_o goldsmith_n if_o the_o colour_n be_v too_o faint_a add_v more_o ting_a powder_n proportionable_o enough_o to_o perfect_v it_o chap._n clv_o another_o green_a enamel_n there_o be_v another_o way_n to_o make_v green_a enamel_n after_o this_o manner_n put_v into_o a_o white_a glaze_v earthen_a pot_n four_o pound_n of_o principal_a powder_n and_o let_v it_o refine_v in_o the_o furnace_n a_o little_a while_n cast_v the_o metal_n afterward_o into_o water_n and_o be_v dry_v again_o into_o the_o pot_n then_o add_v at_o three_o equal_a portion_n this_o powder_n compound_v of_o scale_n of_o copper_n thrice_o calcine_v two_o ounce_n crocus_n martis_n prepare_v with_o vinegar_n forty_o eight_o grain_n these_o well_o mix_v and_o powder_v together_o stir_v the_o metal_n with_o the_o iron_n hook_n to_o incorporate_v it_o let_v it_o remain_v until_o it_o be_v well_o refine_v on_o the_o fire_n and_o when_o it_o be_v well_o and_o perfect_o colour_v to_o satisfaction_n take_v it_o off_o and_o keep_v it_o for_o use_n chap._n clvi_o the_o way_n to_o make_v black_a enamel_n though_o this_o colour_n be_v mournful_a and_o represent_v the_o image_n of_o death_n and_o darkness_n yet_o it_o be_v the_o symbol_n of_o constancy_n prudence_n and_o resolution_n the_o life_n of_o silence_n and_o secrecy_n and_o in_o short_a of_o all_o thing_n which_o be_v last_v it_o be_v most_o necessary_a in_o this_o art_n and_o can_v least_o of_o all_o be_v spare_v because_o it_o have_v a_o peculiar_a beauty_n which_o set_v it_o off_o among_o the_o more_o splendid_a and_o sparkle_a piece_n you_o may_v make_v a_o very_a fair_a velvet-colour_n with_o 4_o pound_n of_o the_o principal_a powder_n in_o chap._n 148._o two_o ounce_n of_o prepare_a zaffer_n and_o two_o ounce_n of_o manganese_n of_o piedmont_n prepare_v as_o direct_v before_o mix_v and_o pulverize_v they_o altogether_o very_o well_o and_o put_v they_o into_o a_o glaze_v earthen_a pot_n in_o the_o furnace_n for_o some_o hour_n the_o pot_n must_v be_v more_o than_o ordinary_a large_a because_o the_o metal_n will_v rise_v very_o much_o when_o it_o be_v purify_v cast_v it_o into_o water_n and_o dry_v it_o and_o return_v it_o into_o the_o pot_n to_o be_v refine_v over_o again_o which_o will_v be_v in_o a_o little_a time_n then_o see_v whether_o the_o colour_n be_v to_o your_o fancy_n and_o according_o as_o you_o find_v it_o put_v in_o more_o or_o less_o of_o the_o former_a ingredient_n and_o have_v thus_o perfect_v it_o take_v it_o off_o and_o cake_n it_o this_o enamel_n will_v be_v a_o good_a velvet-black_a for_o goldsmith_n chap._n clvii_o another_o black_a enamel_n this_o second_o sort_n be_v distinct_a from_o the_o other_o by_o the_o difference_n of_o the_o quantity_n and_o the_o ting_a ingredient_n take_v six_o pound_n of_o principal_a powder_n two_o ounce_n of_o zaffer_n prepare_v according_a to_o chap._n 17._o two_o ounce_n of_o crocus_n martis_n prepare_v with_o vinegar_n as_o in_o chap._n 25._o two_o ounce_n of_o feretto_n of_o spain_n assign_v in_o chap._n 23._o pound_n and_o mix_v they_o very_o well_o together_o make_v a_o impalpable_a powder_n and_o put_v it_o into_o your_o glaze_v pot_n in_o the_o furnace_n to_o melt_v and_o purify_v when_o ●t_a be_v well_o digest_v cast_v it_o into_o water_n dry_v it_o and_o put_v ●t_a again_o into_o the_o pot_n where_o let_v it_o remain_v a_o while_n to_o ●efine_v when_o it_o
clxxxiv_o to_o enamel_n on_o copper_n though_o we_o have_v before_o touch_v upon_o the_o way_n of_o enamel_v on_o copper_n yet_o lest_o the_o reader_n shall_v too_o slight_o apprehend_v it_o as_o not_o in_o order_n or_o a_o distinct_a chapter_n therefore_o we_o be_v oblige_v to_o enter_v it_o here_o to_o avoid_v imperfection_n the_o less_o use_n be_v make_v of_o this_o metal_n in_o this_o work_n the_o better_a for_o the_o enamel_n never_o stick_v to_o it_o perfect_o but_o be_v easy_o scale_v divide_a and_o break_v off_o which_o never_o happen_v to_o gold_n beside_o the_o copper_n be_v so_o impure_a that_o its_o fume_n destroy_v the_o beauty_n of_o the_o enamel_n so_o much_o in_o the_o furnace_n that_o they_o quite_o lose_v their_o charm_n and_o splendour_n by_o the_o malignity_n of_o those_o vapour_n though_o the_o copper_n receive_v easy_o all_o thick_a or_o dark_a enamel_n it_o can_v be_v bring_v so_o well_o to_o endure_v the_o clear_a and_o limpid_a now_o if_o you_o will_v make_v use_n of_o these_o last_o you_o must_v first_o lay_v a_o lay_n of_o green_n or_o black_a and_o thereon_o a_o leaf_n of_o silver_n to_o receive_v the_o enamel_n suitable_a for_o that_o metal_n mention_v in_o the_o former_a chapter_n so_o that_o in_o the_o main_n it_o be_v much_o better_a to_o make_v use_n of_o silver_n for_o the_o transparent_a enamel_n since_o the_o copper_n be_v so_o apt_a to_o foul_a and_o the_o charge_n in_o either_o much_o the_o same_o in_o enamel_v on_o copper_n you_o must_v take_v a_o plate_n of_o red_a copper_n forge_v smooth_a and_o even_o apply_v your_o enamel_n of_o what_o colour_n you_o desire_v above_o and_o under_o the_o plate_n as_o before_o then_o put_v this_o into_o the_o reverberatory_n furnace_n and_o when_o it_o receive_v its_o polish_n draw_v it_o out_o chap._n clxxxv_o to_o prepare_v the_o enamel_n for_o the_o metal_n before_o you_o apply_v your_o enamel_n on_o the_o metal_n you_o must_v give_v it_o this_o little_a preparation_n which_o be_v the_o easy_a and_o best_a approve_v on_o by_o the_o goldsmith_n we_o will_v instance_n it_o in_o white_a enamel_n because_o that_o be_v more_o general_o make_v use_n of_o than_o any_o other_o take_v white_a enamel_n of_o the_o six_o book_n chap._n 149._o pulverize_v it_o very_o fine_a pour_v on_o it_o a_o little_a aqua_fw-la fortis_fw-la and_o let_v it_o afterward_o purify_v and_o refine_v in_o a_o small_a glass_n cucurbit_n wash_v it_o afterward_o often_o in_o fair-water_n dry_a and_o keep_v it_o in_o a_o close_a vessel_n for_o use_n to_o make_v use_n of_o it_o first_o pound_n a_o quantity_n thereof_o in_o a_o stone_n mortar_n wet_v it_o with_o a_o little_a water_n and_o so_o spread_v it_o on_o the_o plate_n and_o into_o the_o furnace_n with_o it_o as_o before_o thus_o do_v with_o all_o your_o clear_a and_o transparent_a enamel_n and_o you_o will_v have_v all_o your_o thing_n in_o a_o readiness_n to_o go_v on_o with_o your_o work_n as_o you_o think_v convenient_a chap._n clxxxvi_o to_o prepare_v the_o colour_n for_o paint_v on_o enamel_n nothing_o can_v be_v more_o splendid_a than_o the_o paint_n on_o enamel_n and_o for_o this_o use_n must_v be_v choose_v the_o lively_a and_o most_o noble_a colour_n and_o such_o as_o will_v easy_o vitrifie_v and_o melt_v all_o these_o assign_v throughout_o the_o six_o book_n be_v as_o equal_o sufficient_a for_o this_o as_o for_o enamel_v if_o you_o grind_v they_o first_o on_o your_o marble_n with_o the_o best_a oil_n of_o spike_n or_o mix'em_v together_o with_o the_o other_o ingredient_n for_o that_o purpose_n as_o we_o shall_v give_v a_o full_a account_n in_o the_o next_o chapter_n and_o of_o all_o the_o matter_n to_o be_v use_v with_o calcine_v enamel_n which_o serve_v to_o make_v up_o the_o paint_n for_o enamel_n mix_v they_o well_o together_o as_o painter_n do_v on_o their_o pallet_n when_o you_o want_v some_o colour_n of_o enamel_n you_o may_v with_o blue_n and_o yellow_a make_v a_o good_a fair_a green_a a_o blue_n and_o red_a mix_v will_v produce_v a_o fine_a violet_n a_o red_a and_o white_a create_v a_o rose-colour_n a_o black_a and_o white_a form_n a_o gallant_a grace_n and_o so_o of_o other_o every_o workman_n have_v his_o own_o secret_a and_o peculiar_a way_n of_o work_v but_o most_o of_o they_o make_v use_n of_o rocaille_n for_o varnish_v their_o colour_n which_o have_v a_o ill_a effect_n because_o of_o too_o much_o lead_n which_o be_v not_o perfect_o purge_v off_o this_o lessen_v the_o life_n and_o splendour_n and_o it_o always_o continue_v as_o it_o be_v tarnish_v cloudy_a and_o dull_a but_o our_o enamel_n be_v well_o refine_v will_v produce_v work_n so_o fine_a and_o agreeable_a that_o it_o be_v not_o possible_a to_o find_v any_o thing_n so_o illustrious_a and_o accomplish_a and_o such_o as_o for_o their_o one_o private_a diversion_n will_v work_v herein_o and_o have_v not_o the_o conveniency_n of_o a_o glass-house_n may_v easy_o be_v furnish_v by_o proceed_v to_o make_v one_o according_a to_o the_o direction_n already_o give_v notwithstanding_o the_o sufficiency_n of_o our_o enamel_n for_o afford_v all_o sort_n of_o colour_n and_o tinge_n in_o paint_v on_o enamel_n we_o will_v yet_o prescribe_v other_o mean_n for_o this_o no_o way_n inferior_a thereto_o to_o answer_v the_o advantage_n and_o curiosity_n of_o those_o who_o work_v at_o this_o excellent_a art_n chap._n clxxxvii_o to_o make_v white_a for_o paint_v on_o enamel_n the_o best_a workman_n for_o the_o most_o part_n use_v the_o white_a enamel_n ground_n which_o they_o can_v manage_v with_o address_n enough_o to_o heighten_v and_o illustrate_v their_o light_n which_o be_v necessary_a to_o be_v do_v to_o all_o their_o colour_n as_o in_o miniature_n but_o as_o it_o be_v difficult_a to_o preserve_v the_o ground_n just_o for_o improve_n those_o other_o colour_n and_o order_v the_o composition_n all_o one_o as_o in_o carnation_n you_o must_v take_v of_o our_o crystal_n ground_n prepare_v with_o tin_n and_o lead_v purge_v and_o refine_v as_o in_o chap._n 158._o or_o rather_o of_o our_o milk-colour_n enamel_n in_o chap._n 159._o which_o be_v the_o fair_a can_v be_v make_v cleanse_v it_o with_o aqua_fw-la fortis_fw-la wash_v dry_a and_o grind_v it_o afterward_o with_o oil_n of_o spike_n or_o you_o may_v prepare_v another_o white_a ground_n without_o lead_n thus_o take_v very_o pure_a tin_n calcine_v as_o in_o the_o chapter_n aforesaid_a and_o let_v it_o vitrifie_v in_o a_o glass-house_n pot_n with_o eight_o time_n as_o much_o crystal_n frit_n as_o we_o have_v direct_v the_o preparation_n in_o chap._n 6_o pulverize_v these_o very_a fine_a and_o proceed_v precise_o according_a to_o prescription_n for_o purification_n etc._n etc._n in_o chap._n 158._o chap._n clxxxviii_o to_o make_v a_o black_a for_o paint_v on_o enamel_n though_o the_o black_a enamel_n prescribe_v in_o chap._n 156._o and_o those_o succeed_a it_o may_v serve_v to_o paint_n on_o enamel_n with_o this_o colour_n without_o any_o other_o preparation_n than_o grind_v it_o with_o oil_n of_o spike_n yet_o we_o will_v add_v here_o another_o black_a no_o less_o excellent_a and_o fine_a arise_v from_o equal_a part_n of_o black-enamel_n and_o peregrine_n well_o calcine_v mix_v and_o reduce_v they_o to_o a_o impalpable_a powder_n and_o then_o apply_v oil_n of_o spike_n and_o you_o will_v have_v a_o colour_n which_o will_v take_v with_o great_a facility_n on_o the_o enamel_n chap._n clxxxix_o a_o yellow_a for_o paint_n on_o enamel_n we_o will_v only_o make_v use_n of_o our_o enamel_n prepare_v in_o chap._n 162._o mix_v and_o purify_v with_o aqua_fw-la fortis_fw-la and_o after_o wash_v in_o clean_a water_n as_o in_o chap._n 185._o dry_a and_o grind_v this_o powder_n with_o oil_n of_o spike_n on_o your_o marble_n and_o it_o be_v fit_a for_o use_v with_o this_o yellow_a and_o a_o blue_n as_o we_o have_v already_o hint_v may_v be_v make_v a_o fair_a green_n but_o those_o enamel_n describe_v in_o chap._n 153._o and_o the_o succeed_a be_v so_o just_a and_o fine_a that_o it_o be_v needless_a to_o use_v any_o other_o for_o that_o purpose_n this_o preparation_n for_o the_o yellow_a here_o lay_v down_o be_v sufficient_a also_o for_o it_o without_o any_o further_a trouble_n chap._n cxc_o a_o blue_a to_o paint_v on_o enamel_n the_o enamel_n of_o this_o colour_n assign_v in_o chap._n 151._o and_o 152._o be_v the_o noble_a can_v be_v use_v in_o this_o work_n purify_v they_o with_o aqua_fw-la fortis_fw-la and_o grind_v they_o with_o oil_n of_o spike_n as_o before_o direct_v for_o the_o other_o colour_n you_o may_v because_v it_o be_v vetrify_v make_v another_o fine_a enough_o blue_n thus_o take_v painter_n enamel_n prepare_v add_v to_o this_o put_v into_o a_o glass-bottle_n best_o rectify_v aquavitae_a enough_o to_o drown_v the_o stuff_n by_o four_o inch_n stop_v it_o well_o and_o set_v it_o in_o
cold_a take_v they_o out_o and_o paint_v they_o and_o put_v they_o in_o again_o to_o bake_v a_o second_o time_n observe_v what_o direction_n we_o have_v already_o give_v concern_v these_o matter_n and_o when_o the_o fire_n be_v go_v out_o and_o the_o furnace_n cold_a you_o have_v the_o ware_n in_o perfection_n ready_a to_o take_v out_o for_o use_v you_o may_v make_v your_o china-ware_n also_o of_o pure_a earth_n let_v it_o not_o be_v red_a tho_o but_o white_a or_o grace_n you_o may_v try_v the_o sufficiency_n of_o it_o after_o it_o be_v prepare_v by_o bake_v some_o beforehand_o and_o when_o it_o come_v out_o of_o the_o furnace_n sound_n and_o uncracked_a it_o be_v good_a and_o fit_a for_o your_o purpose_n the_o preparation_n consist_v in_o dry_v it_o well_o and_o reduce_v it_o to_o a_o very_a fine_a powder_n then_o put_v it_o into_o fair_a water_n wherein_o have_v be_v already_o dissolve_v a_o little_a gum-arabic_n but_o most_o of_o those_o that_o make_v it_o employ_v only_o water_n without_o gum_n after_o this_o you_o may_v make_v your_o dish_n set_v they_o to_o dry_v polish_v dry_v glaze_n bake_n paint_v and_o finish_v they_o as_o before_o all_o which_o those_o who_o work_n at_o they_o know_v better_o than_o i_o can_v express_v it_o chap._n cxcvi_o how_o to_o enamel_n the_o china_n for_o this_o take_v of_o our_o milkwhite_a enamel_n chap._n 149._o grind_v it_o very_o fine_a as_o painter_n do_v their_o colour_n put_v the_o powder_n afterward_o into_o a_o glasscucurbit_a pour_v some_o aquafortis_n thereon_o let_v it_o digest_v a_o little_a to_o cleanse_v off_o its_o impurity_n and_o become_v fine_a and_o transparent_a then_o pour_v off_o the_o aquafortis_n wash_v the_o powder_n in_o water_n over_o and_o over_o again_o grind_v it_o afterward_o with_o a_o little_a gum-water_n on_o your_o marble_n and_o so_o glaze_v the_o vessel_n with_o it_o within_o and_o without_o dry_v they_o in_o the_o air_n and_o bake_v they_o as_o before_o in_o the_o furnace_n or_o you_o may_v heat_v the_o vessel_n to_o a_o redness_n in_o the_o furnace_n and_o melt_v the_o enamel_n when_o it_o be_v in_o a_o perfect_a fusion_n dip_v the_o small_a vessel_n therein_o and_o pour_v of_o it_o on_o the_o large_a for_o they_o will_v take_v no_o more_o on_o they_o than_o will_v serve_v they_o set_v they_o by_o turn_n in_o the_o furnace_n stop_v it_o very_o well_o to_o avoid_v the_o air_n bake_n cool_v your_o furnace_n and_o finish_v they_o as_o before_o then_o take_v out_o the_o dish_n paint_v and_o bake_v they_o over_o again_o observe_v all_o our_o former_a direction_n chap._n cxcvii_o to_o paint_v the_o china_n this_o be_v do_v as_o the_o enamel_n discourse_v of_o in_o chap._n 192._o but_o much_o more_o easy_o the_o figure_n be_v only_o just_o dash_v over_o in_o comparison_n to_o they_o however_o you_o must_v grind_v your_o colour_n with_o oil_n of_o spike_n on_o the_o marble_n as_o we_o have_v say_v already_o and_o so_o paint_v on_o the_o dish_n story_n landscape_n or_o any_o other_o fancy_n but_o you_o must_v never_o expect_v to_o have_v they_o thereon_o so_o complete_a and_o handsome_a as_o those_o paint_a on_o the_o enamel_a plate_n because_o the_o former_a be_v finish_v stand_v and_o so_o enlarge_v in_o length_n or_o breadth_n whereas_o the_o other_o be_v do_v on_o flat_n and_o lie_v beside_o the_o dish_n be_v for_o the_o most_o part_n round_o and_o not_o so_o easy_o paint_v for_o if_o they_o can_v be_v as_o neat_o do_v as_o the_o enamel_n they_o will_v be_v excessive_a dear_a chap._n cxcviii_o to_o gilled_a china_n you_o must_v first_o grind_v some_o shade-earth_n on_o a_o marble_n with_o linseed-oyl_n prepare_v as_o shall_v be_v show_v in_o chap._n 200._o with_o which_o trace_n out_o your_o figure_n which_o must_v be_v two_o whole_a day_n a_o dry_n after_o this_o apply_v very_o thin_a leaf-gold_n and_o with_o a_o sharp_a graver_n shape_n the_o figure_n and_o then_o put_v the_o dish_n in_o a_o oven_n as_o soon_o as_o the_o batch_n of_o bread_n be_v draw_v out_o let_v the_o heat_n be_v no_o great_a than_o one_o hand_n may_v endure_v else_o the_o vessel_n will_v crack_v leave_v they_o in_o it_o for_o two_o or_o three_o hour_n or_o more_o if_o the_o oven_n be_v not_o too_o hot_a you_o may_v else_o make_v use_n of_o our_o own_o furnace_n by_o give_v it_o the_o same_o moderate_a degree_n of_o heat_n as_o experience_a person_n be_v well_o acquaint_v with_o chap._n cxcix_o another_o way_n this_o be_v much_o more_o handsome_a and_o lively_a beside_o that_o it_o can_v be_v efface_v you_o may_v with_o it_o gild_v vessel_n entire_o or_o border_n or_o give_v they_o any_o lustre_n you_o think_v convenient_a for_o ornament_n and_o it_o will_v look_v as_o well_o as_o fine_a gold_n you_o must_v first_o wet_v over_o the_o place_n you_o will_v gild_v with_o gum-water_n light_o then_o apply_v your_o leave_n and_o so_o let_v they_o dry_a this_o be_v enough_o for_o plain_a gilding_n but_o if_o you_o will_v have_v it_o carve_v or_o figure_v you_o must_v make_v use_n of_o a_o steel-grave_a and_o afterward_o bathe_v the_o gold_n with_o water_n wherein_o borax_n have_v be_v dissolve_v powder_v it_o in_o the_o mean_a time_n with_o crystaline_a powder_n or_o milkwhite_a enamel_n reduce_v to_o a_o very_a fine_a powder_n then_o set_v the_o dish_n on_o a_o reverberatory_n fire_n to_o melt_v and_o be_v polish_a thus_o you_o will_v have_v as_o fine_a a_o piece_n of_o ware_n as_o can_v be_v chap._n cc._o the_o way_n to_o prepare_v linseed-oyl_n for_o gild_v of_o china_n it_o be_v but_o just_a we_o shall_v discharge_v our_o promise_n of_o prescribe_v this_o preparation_n take_v a_o paris_n pint_n of_o linseed-oyl_n in_o a_o earthen_a pot_n which_o will_v hold_v about_o two_o paris_n pint_n put_v this_o on_o a_o fire_n and_o when_o it_o begin_v to_o boil_v throw_v in_o twice_o the_o bigness_n of_o a_o small_a egg_n of_o gum-arabic_n pulverise_v stir_v all_o well_o until_o it_o be_v dissolve_v then_o put_v in_o a_o onion_n of_o a_o ordinary_a size_n and_o the_o like_a weight_n of_o garlic_n cut_v small_a when_o the_o oil_n boil_v well_o and_o swell_v up_o by_o the_o force_n of_o the_o good_a fire_n which_o must_v be_v underneath_o pour_v it_o out_o into_o another_o such_o pot_n and_o so_o in_o and_o out_o of_o each_o pot_n to_o the_o other_o until_o all_o be_v very_o well_o mix_v then_o put_v it_o on_o the_o fire_n again_o add_v half_o a_o eggshell_n of_o powder_n of_o mastic_n and_o stir_v it_o very_o well_o as_o soon_o as_o it_o boil_v again_o it_o will_v foam_v and_o have_v a_o great_a froth_n which_o must_v be_v scum_v off_o and_o then_o take_v it_o off_o the_o fire_n and_o brew_v the_o ingredient_n together_o with_o the_o two_o pot_n as_o before_o continue_v to_o do_v thus_o with_o it_o or_o stir_v it_o on_o the_o fire_n until_o it_o rise_v no_o more_o this_o do_v take_v a_o very_a dry_a toast_n of_o white_a bead_n to_o take_v off_o the_o grease_n the_o oil_n still_o boil_a and_o when_o you_o put_v in_o the_o toast_n you_o must_v at_o the_o same_o time_n put_v in_o some_o pin-dust_n stir_v all_o well_o together_o and_o let_v it_o stand_v for_o twenty_o four_o hour_n afterward_o strain_v the_o oil_n through_o a_o linen-cloth_n in_o which_o be_v some_o very_a fine_a sand_n the_o better_a to_o filtrate_a it_o and_o take_v off_o the_o grease_n and_o so_o you_o will_v have_v it_o pure_a and_o clear_a which_o bottle_n up_o for_o your_o use._n or_o you_o may_v both_o way_n be_v good_a enough_o first_o mix_v with_o the_o oil_n two_o ounce_n of_o gold_n litharge_v pulverise_v add_v the_o gum-arabic_n as_o soon_o as_o it_o begin_v to_o boil_v and_o to_o purify_v it_o let_v it_o filter_n through_o a_o linen-cloth_n full_a of_o sand_n while_o it_o be_v hot_a into_o a_o glass-bottle_n wherein_o be_v already_o half_a a_o ounce_n of_o fine_a camphire_n powder_n shake_v the_o bottle_n very_o well_o until_o the_o oil_n be_v cold_a afterward_o lay_v it_o in_o the_o sun_n for_o fifteen_o day_n and_o it_o will_v be_v entire_o purge_v and_o the_o long_a it_o be_v keep_v will_v be_v the_o better_a this_o be_v all_o we_o have_v to_o say_v at_o present_a about_o china-ware_n until_o we_o have_v further_o enlarge_v our_o knowledge_n in_o the_o matter_n which_o we_o have_v not_o much_o study_v because_o we_o do_v not_o intend_v to_o treat_v of_o it_o however_o we_o afterward_o think_v it_o incumbent_n on_o we_o so_o to_o discourse_v thereof_o as_o a_o art_n dependent_a on_o we_o and_o we_o hope_v the_o reader_n will_v take_v this_o in_o good_a part_n until_o we_o may_v give_v he_o something_o more_o at_o large_a of_o the_o art_n of_o glass_n book_n ix_o show_v the_o method_n of_o draw_v all_o sort_n of_o story_n
make_v the_o counterfeit_v fine_a and_o hard_a and_o we_o be_v persuade_v that_o the_o preparation_n of_o those_o we_o shall_v assign_v will_v appear_v so_o easy_a and_o yet_o produce_v such_o fine_a imitation_n as_o shall_v be_v very_o satisfactory_a chap._n ccxliii_o to_o imitate_v fine_a oriental_a pearl_n the_o difference_n between_o those_o which_o be_v at_o present_a wear_v by_o the_o lady_n and_o such_o as_o we_o shall_v prescribe_v as_o to_o the_o goodness_n hardness_n and_o fineness_n of_o the_o stuff_n we_o have_v already_o endeavour_v to_o clear_v but_o before_o we_o proceed_v any_o further_a take_v these_o remain_a part_n of_o the_o furnace_n in_o chap._n 52._o the_o letter_n o_o be_v the_o balneum_fw-la mariae_fw-la p_o the_o vessel_n for_o contain_v the_o sand_n or_o ash-fire_n q_o the_o eye_n or_o holes_n of_o the_o furnace_n r_o their_o cover_n which_o when_o they_o be_v set_v on_o draw_v in_o the_o air_n and_o increase_v the_o heat_n for_o fusion_n the_o other_o be_v crucibles_n we_o do_v also_o intend_v to_o give_v the_o description_n of_o another_o furnace_n at_o the_o close_a of_o the_o five_o book_n as_o well_o for_o the_o service_n of_o the_o matter_n in_o that_o as_o the_o six_o book_n you_o may_v however_o take_v it_o along_o with_o you_o here_o a_o be_v the_o ash-hole_n you_o may_v add_v to_o it_o a_o hovel_n for_o suck_v in_o the_o air_n which_o must_v be_v lute_v to_o it_o very_o firm_o b_o be_v the_o inside_n where_o the_o ash_n fall_v into_o this_o aught_o to_o be_v lofty_a for_o draw_v the_o air._n c_o be_v the_o grate_n and_o must_v be_v of_o very_o strong_a iron_n bar_n d_o be_v the_o open_v through_o which_o the_o crucible_n and_o fuel_n be_v put_v in_o this_o aught_o to_o be_v of_o well_o temper_a iron_n and_o lute_v within_o side_n with_o very_o good_a lute_n at_o least_o three_o inch_n thick_a e_o be_v the_o chamber_n where_o the_o work_n be_v bake_v f_o be_v the_o coverlid_n of_o the_o furnace_n which_o be_v to_o be_v vault_a firm_a and_o make_v of_o the_o same_o earth_n g_o be_v the_o chimney_n over_o which_o you_o may_v set_v several_a iron_n plate_n one_o above_o tother_o for_o draw_v the_o air._n h_o be_v the_o hovel_n or_o shelve_v place_n of_o iron_n for_o the_o ash-hole_n ay_o be_v funnel_n for_o the_o chimney_n plate_n and_o the_o hovel_n k_o be_v a_o crucible_n if_o this_o furnace_n be_v make_v five_o or_o six_o inch_n thick_a it_o will_v bear_v all_o degree_n of_o heat_n and_o serve_v very_o convenient_o for_o private_a person_n by_o make_v it_o of_o a_o suitable_a largeness_n instead_o of_o the_o glass-house_n furnace_n when_o you_o make_v your_o fire_n of_o wood_n there_o will_v be_v no_o occasion_n for_o the_o hovel_n of_o the_o ash-hole_n but_o to_o go_v on_o with_o our_o pearl_n you_o must_v take_v two_o pound_n of_o thrice_o distil_a vinegar_n one_o pound_n of_o venice_n turpentine_n mix_v they_o together_o and_o so_o put_v the_o mass_n into_o a_o glass_n cucurbit_n fit_a to_o it_o the_o head_n and_o receiver_n lute_v the_o joint_n let_v they_o dry_a and_o so_o set_v it_o on_o a_o sand-furnace_n to_o distil_v the_o vinegar_n keep_v a_o gentle_a heat_n lest_o the_o stuff_n swell_v up_o afterward_o put_v the_o vinegar_n into_o another_o glasscucurbit_a wherein_o you_o must_v hang_v a_o quantity_n at_o discretion_n of_o seed_n pearl_n string_v on_o a_o thread_n of_o silver_n or_o gold_n do_v about_o with_o a_o piece_n of_o very_o thin_a silk_n these_o must_v hang_v in_o the_o middle_n of_o the_o body_n so_o as_o not_o to_o touch_v the_o vinegar_n this_o do_v head_n your_o cucurbit_n with_o a_o blind_a head_n and_o lute_n it_o very_o well_o set_v it_o in_o a_o moderate_a b._n mariae_fw-la well_o close_v there_o to_o remain_v for_o a_o fortnight_n the_o heat_n of_o the_o b._n will_v elevate_v the_o fume_n of_o your_o vinegar_n and_o they_o will_v continual_o circulate_v about_o the_o pearl_n and_o so_o soften_v and_o bring_v they_o to_o the_o consistence_n of_o a_o paste_n which_o be_v once_o perform_v take_v they_o off_o and_o mould_v they_o up_o in_o what_o form_n you_o please_v round_o long_o or_o peaalike_a and_o as_o big_a as_o you_o think_v fit_a do_v this_o with_o mould_v of_o fine_a plate_n gild_a within_o you_o must_v not_o touch_v the_o paste_n at_o all_o with_o your_o hand_n but_o altogether_o work_v it_o with_o a_o plate_n spatula_fw-la which_o will_v fill_v the_o mould_v than_o bear_v they_o through_o with_o a_o porker_n bristle_v or_o gold-wire_n and_o so_o let_v they_o dry_v a_o little_a then_o thread_n they_o again_o with_o gold-wire_n and_o set_v they_o in_o a_o close_a glass_n which_o lie_v in_o the_o sun_n to_o dry_v they_o to_o a_o hardness_n set_v they_o afterward_o in_o a_o glass_n matrass_n in_o a_o stream_n of_o run_v water_n leave_v it_o there_o for_o twenty_o day_n and_o about_o that_o time_n they_o assume_v their_o first_o solidity_n and_o hardness_n to_o give_v they_o transparency_n and_o splendour_n you_o must_v prepare_v some_o mercury-water_n after_o the_o rate_v we_o shall_v prescribe_v in_o the_o next_o chapter_n when_o you_o have_v take_v they_o out_o of_o the_o last_o matrass_n wherein_o they_o be_v for_o twenty_o day_n as_o the_o run_v water_n hang_v they_o in_o a_o vessel_n of_o glass_n where_o the_o mercury-water_n be_v and_o so_o they_o will_v moisten_v swell_v and_o assume_v their_o oriental_a beauty_n this_o do_v shift_v they_o out_o of_o this_o water_n into_o a_o matrass_n close_v hermetical_o for_o fear_v that_o any_o water_n shall_v be_v admit_v into_o it_o and_o so_o down_o with_o it_o into_o a_o well_o leave_v it_o there_o for_o eight_o whole_a day_n then_o draw_v it_o up_o open_v the_o matrass_n and_o you_o will_v have_v they_o as_o fine_a and_o good_a as_o any_o oriental_a pearl_n whatsoever_o this_o method_n be_v a_o little_a long_a but_o withal_o it_o be_v effectual_a and_o sure_a however_o it_o be_v not_o thus_o the_o philosopher_n or_o virtuoso_n work_v for_o they_o have_v another_o way_n much_o short_a have_v regard_n only_o to_o one_o spirit_n nor_o have_v i_o experience_v enough_o in_o their_o matter_n to_o make_v a_o discovery_n thereof_o and_o if_o i_o have_v it_o can_v not_o be_v do_v without_o disoblige_v they_o irreconcilable_o therefore_o take_v what_o i_o have_v deliver_v on_o this_o important_a subject_n in_o good_a part_n and_o be_v assure_v that_o if_o you_o be_v acquaint_v with_o that_o secret_a which_o they_o so_o close_o reserve_v there_o can_v be_v nothing_o do_v more_o by_o it_o as_o to_o goodness_n and_o beauty_n in_o this_o work_n than_o by_o our_o prescribe_a method_n which_o be_v very_o estimable_a and_o more_o precious_a than_o you_o will_v imagine_v whereof_o i_o can_v assign_v you_o no_o better_o or_o other_o argument_n than_o experience_n to_o convince_v you_o chap._n ccxliv_o to_o make_v mercury-water_n for_o give_v transparency_n and_o splendour_n to_o the_o pearl_n have_v promise_v this_o secret_a of_o make_v mercury-water_n to_o complete_a the_o transparency_n and_o natural_a lustre_n of_o your_o pearl_n which_o be_v a_o matter_n so_o high_o valuable_a that_o a_o very_a considerable_a sum_n have_v be_v offer_v in_o our_o presence_n for_o the_o discovery_n thereof_o to_o a_o certain_a person_n yet_o we_o be_v free_a that_o experience_n shall_v have_v its_o due_a course_n of_o inform_v the_o ignorant_a and_o shall_v for_o our_o part_n generous_o acquit_v our_o engagement_n you_o must_v take_v plate_n tin_n of_o cornwall_n calcine_v let_v the_o calx_fw-la be_v very_o fine_a and_o pure_a amalgamate_fw-it one_o ounce_n thereof_o with_o two_o ounce_n of_o prepare_a mercury_n well_o purify_v wash_v the_o amalgama_n with_o water_n until_o the_o water_n remain_v clear_a and_o insipid_a then_o dry_v the_o amalgama_n thorough_o put_v it_o into_o a_o matrass_n over_o a_o furnace_n keep_v such_o a_o degree_n of_o heat_n as_o be_v require_v for_o sublimation_n when_o the_o matter_n be_v well_o sublimate_v take_v off_o the_o matrass_n and_o let_v it_o cool_v and_o so_o take_v out_o the_o sublimate_n to_o which_o add_v one_o ounce_n of_o venice_n sublimate_n and_o grind_v they_o well_o together_o on_o a_o marble_n so_o put_v they_o into_o another_o matrass_n close_o it_o very_o well_o and_o set_v it_o topsy-turvy_o in_o a_o pail_n of_o water_n and_o the_o whole_a mass_n will_v resolve_v its_o self_n in_o a_o little_a time_n all_o into_o mercury-water_n this_o do_v filter_n it_o into_o a_o glass_n receiver_n and_o set_v it_o on_o a_o gentle_a ash-fire_n to_o coagulate_v and_o it_o will_v be_v bring_v to_o a_o crystalline_a mass_n take_v it_o 〈◊〉_d and_o with_o a_o glass_n pestle_n and_o mortar_n pound_n it_o very_o well_o to_o a_o very_a fine_a powder_n which_o searce_n through_o a_o fine_a searce_n and_o put_v it_o into_o
alter_a colour_n ●nd_n come_v from_o persia_n and_o the_o great_a i_o die_v it_o be_v ●●so_o suppose_v it_o may_v be_v have_v from_o africa_n as_o well_o as_o ●sia_n but_o questionless_a there_o do_v not_o come_v that_o ●enty_n thence_o as_o from_o the_o other_o place_n there_o be_v also_o find_v in_o germany_n and_o hungary_n a_o kind_n of_o lapis-lazuli_a but_o not_o fix_v though_o as_o hard_o as_o the_o former_a they_o call_v it_o lesurstein_n and_o its_o colour_n asurbleau_n but_o its_o colour_n change_v in_o some_o time_n and_o become_v greenish_a it_o be_v use_v however_o by_o painter_n the_o six_o lapis-lazuli_a have_v great_a virtue_n in_o physic_n and_o much_o more_o excellent_a one_o than_o be_v ascribe_v to_o it_o by_o most_o person_n who_o indeed_o be_v ignorant_a of_o they_o and_o so_o be_v many_o of_o the_o learned_a too_o but_o we_o will_v pass_v these_o over_o here_o and_o reserve_v they_o for_o another_o time_n in_o some_o other_o place_n this_o hint_n however_o may_v serve_v to_o advise_v the_o curious_a to_o pry_v into_o the_o matter_n and_o possible_o discover_v its_o further_a excellency_n and_o virtue_n it_o be_v call_v vltra-marine_a because_o bring_v to_o we_o from_o beyond_o sea_n or_o rather_o because_o the_o first_o tha●_n ever_o come_v into_o france_n be_v out_o of_o the_o kingdom_n o●_n cyprus_n a_o maritime_a country_n for_o so_o be_v those_o country_n call_v which_o border_n on_o the_o seacoast_n before_o you_o proceed_v to_o extract_n your_o vltra-marine_a take_v some_o account_n of_o the_o manner_n to_o know_v whethe●_n the_o stone_n be_v good_a for_o unless_o it_o be_v singular_o so_o you'●●_n lose_v your_o labour_n put_v piece_n thereof_o on_o live_a coal●_n and_o blow_v they_o continual_o for_o a_o hour_n if_o they_o retain_v their_o first_o hardness_n and_o colour_n afterward_o yo●_n may_v conclude_v they_o good_a but_o if_o they_o crumble_v between_o your_o finger_n they_o be_v naught_o it_o may_v 〈◊〉_d try_v otherwise_o in_o a_o iron-ladle_n put_v into_o a_o furna●●_n with_o some_o of_o the_o stone_n to_o heat_n and_o so_o quench_v it●_n strong_a vinegar_n if_o the_o colour_n remain_v still_o uncha●●ged_v and_o splendid_a you_o may_v assure_v yourself_o '_o ●_o good_a when_o you_o have_v make_v this_o trial_n calcine_v 〈◊〉_d which_o to_o do_v the_o easy_a break_v the_o stone_n to_o piec●_n as_o small_a hazelnut_n wash_v they_o afterward_o in_o wa●●_n water_n and_o set_v they_o in_o a_o crucible_n on_o a_o win●_n furnace_n or_o into_o a_o iron-ladle_n to_o reunite_v th●_n cast_v they_o into_o a_o glaze_v earthen_a vessel_n of_o distil_a vinegar_n to_o quench_v they_o in_o do_v thus_o seven_o time_n to_o prepare_v they_o by_o calcination_n for_o powder_v and_o to_o prevent_v their_o stick_n to_o the_o mortar_n thus_o calcine_v dry_v they_o well_o and_o so_o powder_v they_o in_o a_o stone-mortar_n well_o cover_v and_o according_o searce_v it_o with_o the_o same_o caution_n as_o perfumer_n do_v their_o most_o delicate_a and_o fine_a powder_n lest_o the_o best_a shall_v go_v off_o and_o dispel_v its_o self_n in_o the_o air_n and_o thus_o preserve_v this_o precious_a powder_n with_o all_o imaginable_a care_n chap._n ccxxviii_o to_o make_v a_o liquid_a for_o moisten_v and_o grind_v the_o powder_n withal_o etc._n etc._n it_o be_v impossible_a to_o give_v all_o the_o preparation_n for_o the_o lapis-lazuli_a in_o one_o chapter_n they_o be_v too_o ●edious_a for_o that_o purpose_n and_o can_v be_v so_o confine_v without_o confusion_n this_o we_o intimate_v to_o justify_v our_o division_n thereof_o into_o several_a chapter_n for_o moisten_v and_o grind_v your_o aforesaid_a pow●er_n of_o the_o stone_n take_v a_o pound_n and_o half_a of_o run_a ●ater_n and_o put_v this_o into_o a_o new_a earthen-pot_n add_v 〈◊〉_d it_o a_o eggshell_n full_a of_o raw_a honey_n boil_v it_o until_o it_o ●ave_n no_o more_o scum_n take_v the_o pot_n off_o and_o keep_v this_o hydromel_n or_o liquid_a for_o use_v in_o bottle_n as_o we_o shall_v ●ve_v occasion_n for_o hereafter_o this_o do_v take_v four_o scruple_n of_o the_o best_a gum●ragon_n grind_v it_o on_o your_o marble_n with_o some_o of_o the_o hydromel_n and_o then_o put_v it_o into_o a_o glass_n add_v thereto_o 〈◊〉_d much_o hydromel_n as_o you_o find_v convenient_a to_o bring_v it_o 〈◊〉_d a_o violet-colour_n so_o cover_v it_o and_o preserve_v it_o for_o 〈◊〉_d this_o liquid_a be_v good_a for_o your_o powder_n of_o lapis-lazuli_a if_o the_o colour_n be_v too_o violet_a add_v the_o less_o hereof_o if_o otherwise_o the_o more_o as_o your_o judgement_n or_o experience_n shall_v direct_v put_v half_a a_o pound_n of_o powder_n at_o a_o time_n into_o a_o small_a porphyry_n or_o marble_n vessel_n the_o large_a the_o mortar_n the_o worse_o for_o you_o will_v lose_v more_o and_o be_v long_o a_o grind_n pour_v leisurely_o by_o little_a and_o little_a thereon_o some_o of_o your_o violet_n liquid_a grind_v these_o together_o for_o a_o full_a hour_n still_o wet_v it_o you_o may_v use_v three_o or_o four_o ounce_n of_o liquid_a to_o the_o half_a pound_n of_o powder_n and_o you_o will_v have_v it_o very_o good_a you_o must_v take_v care_n of_o grind_v it_o too_o long_o for_o than_o it_o will_v lose_v its_o colour_n when_o it_o be_v thus_o ground_n dry_v it_o on_o a_o marble_n or_o flat-stone_n where_o the_o sun_n do_v not_o come_v at_o all_o cover_v it_o well_o to_o preserve_v it_o from_o dust_n when_o it_o be_v dry_a it_o will_v powder_v easy_o between_o your_o finger_n if_o it_o be_v right_o do_v if_o so_o let_v it_o alone_o on_o the_o marble_n but_o if_o it_o be_v clammy_a or_o stick_v take_v it_o off_o for_o it_o have_v still_o some_o unctuosity_n of_o the_o honey_n in_o it_o which_o must_v be_v cleanse_v away_o by_o a_o cement_n your_o lapis_fw-la be_v thus_o dry_a wash_v it_o well_o before_o you_o put_v it_o to_o the_o cement_n for_o which_o you_o must_v use_v a_o glaze_v earthen_a basin_n round_o above_o like_o a_o barber_n be_v and_o well_o glaze_v within_o put_v your_o lapis_n therein_o and_o pour_v thereon_o some_o of_o the_o mild_a lixivium_n in_o the_o next_o chapter_n as_o much_o as_o will_v rise_v above_o the_o surface_n four_o inch_n wash_v the_o lapis_fw-la very_o well_o with_o your_o hand_n and_o then_o let_v it_o settle_v and_o it_o will_v precipitate_v the_o liquid_a be_v clear_v again_o decant_v it_o into_o a_o large_a copper_n or_o earthen-vessel_n then_o let_v the_o lapis_fw-la dry_a in_o a_o shade_n in_o the_o same_o vessel_n it_o be_v wash_v in_o and_o spread_v it_o afterward_o on_o the_o flat_a marble_n or_o porphyry_n and_o there_o let_v it_o lie_v until_o quite_o dry_a thus_o it_o be_v prepare_v for_o mix_v with_o the_o cement_n of_o which_o we_o will_v give_v the_o preparation_n in_o chap._n 231._o and_o those_o next_o succeed_v it_o chap._n ccxxix_o to_o prepare_v a_o mild_a and_o a_o strong_a lixivium_n for_o the_o lapis-lazuli_a we_o have_v promise_v to_o give_v this_o preparation_n here_o and_o the_o manner_n of_o make_v hereof_o which_o we_o will_v show_v together_o with_o another_o strong_a to_o wash_v the_o lapis_fw-la withal_o when_o it_o be_v mix_v with_o the_o cement_n as_o hereafter_o direct_v to_o make_v these_o lixivium_n take_v ten_o handful_n of_o vine-stalk-ash_n well_o sear_v put_v this_o into_o a_o large_a vessel_n that_o will_v hold_v thirty_o pound_n of_o water_n with_o a_o faucet_n at_o bottom_n press_v the_o ash_n very_o well_o and_o put_v to_o they_o twenty_o pound_n of_o warm_a water_n when_o it_o be_v sink_v to_o the_o bottom_n open_v the_o faucet_n so_o as_o it_o may_v only_o drop_v into_o a_o earthen-vessel_n when_o it_o be_v all_o come_v out_o stop_v the_o hole_n and_o strain_v this_o lixivium_n through_o a_o feel_a strainer_n and_o so_o keep_v it_o in_o a_o glass_n or_o glaze_v pot_n well_o cover_v this_o be_v the_o strong_a lixivium_n again_o pour_v in_o on_o the_o same_o ash_n the_o like_a quantity_n of_o warm_a water_n and_o do_v as_o before_o so_o you_o will_v have_v a_o indifferent_a strong_a lixivium_n which_o keep_v as_o the_o former_a do_v this_o a_o three_o time_n and_o you_o will_v have_v the_o mild_a lixivium_n mention_v in_o the_o precede_a chapter_n these_o three_o be_v very_o useful_a both_o for_o moisten_v and_o to_o draw_v the_o powder_n of_o lapis-lazuli_a from_o the_o cement_n wherewith_o it_o must_v be_v mix_v as_o we_o shall_v show_v in_o the_o succeed_a chapter_n which_o separation_n be_v sometime_o hard_o to_o perform_v we_o be_v oblige_v to_o have_v recourse_n to_o these_o variety_n of_o lixiviums_n strong_a or_o weak_a as_o we_o find_v they_o convenient_a for_o the_o purpose_n you_o may_v yet_o make_v another_o lixivium_n to_o take_v away_o the_o greasiness_n of_o the_o cement_n thus_o boil_v calx_fw-la of_o tartar_n as_o much_o