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into_o the_o air._n experiment_n xxi_o same_o concern_v the_o same_o have_v fill_v a_o glass_n viol_n with_o water_n which_o contain_v something_o above_o a_o pound_n i_o take_v a_o glass_n pipe_n about_o as_o thick_a as_o a_o goose_n quill_n and_o have_v put_v one_o end_n of_o it_o into_o the_o neck_n of_o the_o bottle_n and_o close_v it_o with_o cement_n i_o fill_v the_o pipe_n half_o full_a with_o water_n stick_v a_o piece_n of_o paper_n at_o the_o superficies_n of_o the_o water_n on_o the_o outside_n of_o the_o pipe_n which_o be_v place_v in_o the_o pump_n after_o the_o air_n have_v be_v pump_v a_o while_n above_o sixty_o bubble_n of_o water_n as_o big_a as_o pease_n rise_v out_o of_o the_o water_n one_o after_o another_o and_o the_o water_n in_o the_o bottle_n so_o far_o expanded_a as_o to_o rise_v quite_o up_o to_o the_o top_n of_o the_o pipe_n and_o be_v permit_v to_o subside_n several_a bubble_n of_o air_n rise_v out_o of_o it_o afresh_o as_o soon_o as_o it_o renew_v its_o 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also_o the_o 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d of_o the_o water_n contain_v in_o the_o pewter_n globe_n before_o mention_v proceed_v from_o the_o expansion_n of_o the_o aerial_a particle_n contain_v in_o the_o pore_n of_o the_o water_n rather_o than_o from_o any_o elasticity_n in_o the_o water_n itself_o these_o thing_n be_v premise_v it_o will_v be_v a_o matter_n of_o some_o importance_n and_o of_o no_o small_a consequence_n not_o whether_o air_n be_v a_o primogeneal_a bedy_n or_o not_o to_o determine_v whether_o what_o we_o have_v say_v of_o the_o air_n be_v true_a to_o consider_v whether_o air_n be_v real_o a_o primogenial_a body_n and_o inconvertible_a into_o water_n and_o vice_n versâ_fw-la or_o not_o but_o it_o be_v as_o difficult_a as_o requisite_a we_o shall_v rather_o choose_v to_o offer_v what_o may_v be_v urge_v of_o either_o the_o affirmative_a or_o the_o negative_a and_o first_o in_o favour_n of_o the_o inaptitude_n of_o air_n to_o be_v turn_v into_o water_n or_o of_o water_n into_o air_n it_o may_v be_v urge_v that_o beside_o that_o it_o have_v be_v the_o opinion_n of_o several_a philosopher_n it_o have_v likewise_o be_v find_v impossible_a by_o experience_n to_o effect_v such_o a_o change_n in_o either_o of_o they_o and_o the_o diligent_a schottus_n mecham_n hydraulicopneumat_n part_v 3_o class_n 1._o relate_v that_o in_o the_o musaeum_fw-la kircherianum_n water_n have_v be_v hermetical_o seal_v in_o a_o glass_n with_o a_o long_a neck_n and_o keep_v there_o this_o forty_o year_n without_o undergo_a any_o change_n nor_o indeed_o do_v we_o perceive_v the_o least_o alteration_n in_o the_o nature_n of_o air_n hermetical_o seal_v in_o glass_n for_o chemical_a uses_n though_o it_o may_v acquire_v several_a degree_n of_o heat_n in_o they_o and_o it_o may_v very_o plain_o be_v see_v that_o though_o water_n be_v divide_v into_o
and_o the_o like_a colour_n be_v afford_v by_o it_o on_o a_o piece_n of_o flat_a glaze_v earth_n and_o some_o of_o the_o same_o be_v drop_v into_o a_o glass_n of_o water_n of_o the_o figure_n of_o a_o invert_v cone_n exhibit_v great-varietys_a of_o crimson_n and_o purple_a and_o when_o the_o litmase_v be_v perfect_o mix_v with_o the_o water_n it_o afford_v a_o glorious_a yellow_n like_o that_o of_o a_o topaz_n when_o a_o few_o drop_n of_o spirit_n of_o salt_n be_v drop_v into_o it_o and_o if_o a_o few_o drop_n of_o a_o solution_n of_o pot-ash_n be_v drop_v into_o it_o they_o subside_v into_o the_o bottom_n of_o it_o will_v afford_v a_o bright_a dilute_a colour_n in_o the_o bottom_n of_o the_o glass_n a_o purple_a above_o that_o and_o a_o deep_a crimson_n betwixt_o that_o and_o a_o yellow_a which_o wrought_v to_o the_o top_n of_o the_o glass_n and_o if_o spirit_n of_o sal_fw-la ammoniac_a be_v pour_v upon_o that_o it_o will_v turn_v part_n of_o the_o yellow_a into_o a_o purple_a or_o crimson_n from_o which_o experiment_n it_o appear_v that_o as_o the_o particle_n of_o a_o pigment_n be_v near_o or_o more_o disperse_v the_o colour_n represent_v by_o they_o vary_v experiment_n xlv_o a_o preparation_n of_o steel_n use_v as_o a_o succedaneum_n of_o spaw-water_n and_o who_o colour_n be_v like_a that_o of_o german_a amethyst_n be_v drop_v into_o rhenish-wine_n afford_v a_o lovely_a green_n but_o water_n or_o spirit_n of_o wine_n will_v not_o receive_v that_o tincture_n from_o it_o and_o to_o satisfy_v myself_o that_o the_o effect_n depend_v not_o on_o any_o acidity_n in_o the_o wine_n i_o impregnated_a water_n with_o spirit_n of_o salt_n but_o notwithstanding_o it_o will_v not_o receive_v a_o green_a tincture_n from_o the_o liquor_n and_o to_o vary_v the_o experiment_n i_o drop_v alkalizate_a and_o urinous_a salt_n into_o the_o green_a tincture_n by_o which_o it_o put_v on_o a_o dirty_a and_o a_o turbid_v colour_n but_o if_o this_o essense_n of_o steel_n be_v drop_v into_o water_n impregnate_v with_o spirit_n of_o salt_n a_o solution_n of_o salt_n of_o pot-ash_n or_o of_o spirit_n of_o sal_fw-la ammoniac_a will_v turn_v it_o yellow_a the_o vitriolate_a salt_n be_v precipitate_v by_o they_o and_o olaus_n wormius_n take_v notice_n of_o a_o rare_a kind_n of_o turn-sole_a which_o will_v communicate_v a_o red_a tincture_n to_o water_n and_o though_o it_o will_v to_o wine_n yet_o spirit_n of_o wine_n will_v not_o be_v at_o all_o tinged_a by_o it_o so_o that_o tincture_n both_o depend_v on_o the_o peculiar_a texture_n of_o the_o body_n that_o receive_v and_o that_o which_o give_v the_o tincture_n experiment_n xlvi_o the_o adventitious_a colour_n of_o metal_n be_v either_o such_o as_o they_o acquire_v by_o the_o action_n of_o the_o fire_n upon_o they_o or_o such_o as_o result_v from_o the_o coalition_n of_o metaline_n particle_n with_o the_o mestruum_fw-la which_o dissolve_v they_o or_o last_o when_o they_o be_v mix_v together_o by_o fusion_n and_o first_o tin_n by_o the_o action_n of_o the_o fire_n be_v calcine_v afford_v a_o white_a calx_fw-la and_o lead_v a_o red_a one_o and_o copper_n calcine_v per_fw-la se_fw-la yield_v a_o dark_a blackish_a powder_n and_o iron_n by_o reverberate_v flame_n may_v be_v turn_v into_o a_o crocus_n and_o mercury_n may_v be_v turn_v into_o a_o red_a powder_n and_o beside_o these_o more_o obvious_a colour_n there_o be_v several_a intermediate_v once_o whilst_o by_o the_o action_n of_o fire_n metal_n be_v a_o calcine_v and_o not_o only_o the_o calces_fw-la but_o the_o glass_n of_o mineral_n vitrify_v per_fw-la se_fw-la be_v of_o colour_n different_a from_o the_o metal_n so_o that_o i_o have_v see_v a_o glass_n make_v of_o silver_n of_o a_o dark_a colour_n and_o not_o only_o metal_n but_o mineral_n may_v be_v bring_v to_o yield_v colour_n by_o the_o action_n of_o the_o fire_n different_a from_o their_o own_o as_o antimony_n afford_v a_o whitish_a grace_n calx_fw-la and_o flower_n various_o colour_a and_o the_o calx_fw-la by_o be_v flux_v will_v yield_v a_o glass_n of_o a_o yellow_a or_o red_a colour_n and_o vitriol_n calcine_v pass_v through_o several_a colour_n before_o it_o come_v to_o be_v of_o a_o dark_a purple_a experiment_n xlvii_o as_o for_o the_o adventitious_a colour_n produce_v by_o the_o union_n of_o metal_n with_o their_o solvent_n gold_n give_v aqua_fw-la regis_fw-la it_o be_v yellow_a colour_n but_o mercury_n give_v no_o considerable_a colour_n to_o aqua_fw-la fortis_fw-la except_o a_o greenness_n or_o blewness_n at_o the_o first_o which_o present_o disappear_v tin_n corrode_v by_o aqua_fw-la fortis_fw-la subside_v in_o the_o form_n of_o curdled_a milk_n or_o eggs._n lead_v dissolve_v in_o spirit_n of_o vinegar_n afford_v a_o clear_a solution_n and_o if_o the_o menstruum_fw-la be_v draw_v off_o appear_v white_a iron_n dissolve_v by_o oil_n of_o vitriol_n dilute_v with_o water_n yield_v a_o green_a vitriolum_fw-la martis_n but_o give_v a_o saffron_n colour_n to_o aqua_fw-la fortis_fw-la or_o a_o yellowish_a red._n common_a silver_n such_o as_o be_v coin_v give_v a_o copper_n tincture_n to_o aqua_fw-la fortis_fw-la but_o such_o as_o be_v refine_v perfect_o give_v a_o bluish_a green_n to_o aqua_fw-la fortis_fw-la and_o spirit_n of_o vinegar_n and_o be_v sublime_v with_o sal_fw-la ammoniac_a it_o afford_v a_o bluish_a sublimate_n and_o indeed_o copper_n dissolve_v in_o several_a menstruum_n will_v yield_v a_o great_a variety_n of_o greenish_a blue_n or_o bluish_a green_a colour_n but_o with_o spirit_n of_o sugar_n and_o turpentine_n it_o afford_v a_o blue_a tincture_n with_o a_o mixture_n of_o green_n and_o to_o show_v that_o the_o adventitious_a colour_n may_v result_v from_o the_o copper_n itself_o as_o well_o as_o the_o salt_n which_o corrode_v it_o i_o moisten_a dantzick_n vitriol_n with_o spital_n and_o then_o rub_v it_o upon_o a_o knife_n it_o give_v it_o a_o reddish_a colour_n like_o that_o of_o copper_n saccharum_fw-la saturni_n with_o spirit_n of_o turpentine_n will_v yield_v a_o red_a balsam_n and_o that_o stone_n which_o helmont_n call_v paracelsus_n his_o ludus_fw-la in_o a_o proper_a menstruum_fw-la afford_v sometime_o a_o yellowish_a and_o sometime_o a_o red_a solution_n and_o before_o i_o leave_v this_o experiment_n i_o shall_v add_v that_o if_o quicksilver_n be_v precipitate_v out_o of_o aqua_fw-la fortis_fw-la with_o spirit_n of_o sea-salt_n or_o sea-salt_n dissolve_v in_o water_n it_o will_v subside_o in_o the_o form_n of_o a_o white_a powder_n but_o if_o it_o be_v precipitate_v with_o a_o alkaly_a it_o yield_v a_o yellow_a tawny_a powder_n but_o if_o the_o menstruum_fw-la be_v draw_v off_o without_o precipitate_v it_o the_o remain_a substance_n will_v vary_v its_o colour_n as_o it_o be_v expose_v to_o different_a degree_n of_o heat_n so_o that_o once_o i_o observe_v the_o white_a calx_fw-la to_o remain_v partly_o in_o the_o bottom_n of_o the_o vial_n of_o a_o deep_a yellow_a and_o in_o some_o part_n red_a the_o remain_a part_n be_v elevate_v in_o the_o form_n of_o a_o red_a and_o ash-coloured_a sublimate_n and_o vermilion_n be_v only_o a_o sublimate_n of_o mercury_n and_o brimstone_n experiment_n xlviii_o to_o show_v that_o metal_n associate_v with_o other_o body_n will_v afford_v different_a colour_n i_o have_v give_v a_o instance_n in_o silver_n which_o give_v glass_n a_o lovely_a golden_a colour_n and_o i_o shall_v now_o add_v that_o i_o be_o tell_v that_o artificer_n paint_v glass_n yellow_a with_o calx_fw-la of_o silver_n and_o i_o have_v obtain_v a_o substance_n of_o a_o saphirine_n blue_n from_o shel-silver_n mix_v with_o powder_n of_o crystal_n glass_n keep_v in_o fusion_n two_o or_o three_o hour_n which_o i_o attribute_v to_o some_o copper_n latent_fw-la in_o the_o silver_n and_o though_o copper_n calcine_v per_fw-la se_fw-la yield_v a_o dark_a colour_v calx_fw-la yet_o it_o tinge_v glass_n green_n but_o be_v keep_v in_o fusion_n with_o 100_o time_n its_o weight_n in_o glass_n it_o afford_v not_o a_o green_a but_o a_o blue_a substance_n which_o whether_o it_o proceed_v from_o the_o action_n of_o the_o mineral_n or_o it_o be_v saline_a part_n only_o or_o both_o i_o must_v not_o stay_v to_o inquire_v but_o to_o proceed_v putty_n make_v of_o tin_n and_o lead_v calcine_v together_o be_v a_o white_a calx_fw-la give_v colliquate_v glass_n the_o resemblance_n of_o white_a amel_n which_o will_v receive_v into_o it_o the_o colour_n of_o divers_a mineral_n which_o will_v endure_v the_o fire_n and_o i_o have_v elsewhere_o take_v notice_n that_o blue_a and_o yellow_a amel_n be_v compound_v will_v afford_v a_o green_n and_o it_o be_v common_o know_v that_o the_o dark_a substance_n call_v zaffora_n will_v give_v glass_n a_o blue_a tincture_n and_o that_o dark_a substance_n term_v magnesia_n from_o its_o similar_v colour_n to_o that_o of_o a_o loadstone_n give_v glass_n not_o only_a colour_n different_a from_o its_o own_o
condense_v by_o cold_a the_o air_n break_v in_o to_o prevent_v a_o vacuum_n for_o that_o water_n be_v expanded_a by_o cold_a appear_v from_o what_o i_o have_v say_v beside_o nothing_o be_v more_o common_o observe_v than_o that_o water_n be_v freeze_v in_o a_o vessel_n who_o side_n be_v strong_a enough_o to_o keep_v it_o from_o burst_v they_o the_o superficies_n of_o the_o ice_n be_v general_o protuberant_a and_o convex_a and_o that_o the_o break_n of_o bottle_n depend_v not_o on_o nature_n abhorrency_n of_o a_o vacuum_n appear_v since_o shall_v we_o suppose_v that_o the_o fluid_a contain_v in_o a_o bottle_n will_v be_v so_o far_o condense_v as_o to_o possess_v less_o space_n than_o before_o it_o be_v possible_a there_o may_v be_v a_o vacuum_n there_o and_o the_o bottle_n not_o burst_v since_o glass-bubble_n much_o thin_a than_o ordinary_a bottle_n will_v endure_v the_o frost_n though_o stop_v close_o with_o air_n in_o they_o but_o not_o only_a water_n expand_v itself_o upon_o freeze_a but_o other_o aqueous_a body_n so_o egg_n be_v freeze_v burst_v their_o shell_n asunder_o and_o milk_n urine_n rhenish_a wine_n and_o good_a spirit_n of_o wine_n be_v set_v to_o freeze_v in_o distinct_a glass-egg_n the_o wine_n be_v freeze_v swell_v a_o inch_n above_o the_o first_o surface_n the_o milk_n two_o inch_n and_o the_o urine_n six_o or_o seven_o and_o a_o solution_n of_o dantzick-vitriol_n do_v not_o only_o become_v opace_fw-la but_o rise_v considerable_o high_a in_o a_o cylindrical_a pipe_n upon_o congelation_n whether_o more_o stable_n and_o consistent_a body_n be_v capable_a of_o be_v expanded_a by_o cold_a will_v be_v worth_a inquire_n since_o it_o have_v be_v observe_v that_o in_o nova_n zembla_n the_o very_a clock_n have_v be_v freeze_v so_o that_o they_o will_v not_o go_v and_o the_o like_a have_v be_v observe_v by_o capt._n james_n in_o his_o voyage_n at_o charlton-island_n his_o watch_n be_v freeze_v as_o well_o as_o his_o clock_n whether_o these_o effect_n depend_v on_o any_o swell_v of_o the_o rope_n or_o whether_o the_o spring_n of_o his_o watch_n may_v be_v weaken_v by_o cold_a or_o whether_o some_o iceicle_n stick_v to_o the_o internal_a part_n of_o it_o i_o shall_v leave_v as_o bare_a conjecture_n to_o be_v further_o examine_v into_o by_o experience_n the_o phaenomena_n of_o a_o experiment_n about_o freeze_a referrable_a to_o the_o vii_o title_n read_v before_o the_o royal_a society_n have_v fill_v a_o bolt-head_n which_o be_v as_o big_a as_o two_o turkey_n egg_n with_o water_n till_o it_o wrought_v a_o pretty_a height_n into_o the_o slender_a stem_n be_v put_v into_o a_o mixture_n of_o snow_n and_o salt_n it_o subside_v a_o little_a but_o when_o it_o begin_v to_o freeze_v it_o will_v sensible_o swell_v the_o experiment_n be_v repeat_v with_o a_o glass_n who_o stem_n be_v as_o thin_a as_o a_o raven_n quill_n when_o first_o the_o ball_n of_o it_o be_v immerse_v in_o the_o frigorifick_a mixture_n the_o water_n present_o ascend_v the_o height_n of_o a_o barleycorn_n and_o present_o subside_v again_o which_o the_o florentine_a virtuoso_n will_v attribute_v to_o a_o constriction_n of_o the_o glass_n upon_o the_o application_n of_o the_o frigorifick_a mixture_n second_o and_o though_o the_o florentine_a virtuoso_n relate_v that_o they_o have_v observe_v the_o water_n after_o it_o have_v subside_v a_o little_a to_o rest_v and_o then_o subside_v again_o yet_o in_o all_o the_o trial_n i_o make_v i_o do_v not_o observe_v it_o three_o when_o the_o water_n have_v subside_v a_o little_a it_o will_v be_v at_o a_o stand_n till_o the_o liquor_n begin_v to_o freeze_v four_o the_o experiment_n be_v try_v with_o glass_n who_o stem_n be_v unequal_o big_a upon_o glaciation_n the_o ascent_n of_o the_o water_n in_o the_o large_a one_o will_v be_v indiscernible_a but_o in_o a_o slender_a one_o it_o will_v ascend_v several_a inch_n in_o a_o minute_n till_o it_o rise_v up_o to_o the_o top_n of_o the_o stem_n five_o though_o the_o forentine_a academian_o say_v they_o have_v observe_v the_o water_n to_o rise_v again_o before_o glaciation_n yet_o i_o can_v never_o see_v such_o a_o phaenomenon_n six_o if_o the_o glass_n be_v take_v out_o of_o the_o mixture_n when_o first_o it_o begin_v to_o freeze_v as_o soon_o as_o the_o small_a iceicle_n be_v melt_v it_o will_v subside_o again_o yet_o if_o reapply_v to_o the_o mixture_n a_o second_o time_n it_o will_v freeze_v in_o half_a a_o minute_n title_n viii_o experiment_n concern_v the_o contraction_n of_o liquor_n by_o cold._n cold._n of_o the_o contraction_n of_o liquor_n by_o cold._n 1_o though_o the_o liquor_n we_o have_v mention_v expand_v themselves_o upon_o a_o intense_a degree_n of_o cold_a yet_o we_o be_v not_o thence_o to_o couclude_v that_o all_o will_n since_o we_o have_v find_v it_o by_o experience_n not_o only_o in_o spirit_n of_o wine_n aqua_fw-la fortis_fw-la oil_n of_o turpentine_n and_o several_a other_o liquor_n which_o will_v not_o be_v bring_v to_o freeze_v but_o also_o in_o oil_n congeal_v by_o the_o vehemence_n of_o the_o cold._n 2._o among_o the_o several_a experiment_n make_v of_o the_o efficacy_n of_o cold_a to_o condense_a liquor_n i_o shall_v lay_v down_o the_o follow_v 3._o spirit_n of_o wine_n be_v put_v into_o a_o small_a glass-egg_n with_o a_o slender_a stem_n in_o a_o mixture_n of_o snow_n and_o salt_n subsided_a ¾_n of_o a_o inch._n 4._o mercury_n be_v free_v from_o air_n and_o place_v in_o a_o bold-head_n in_o a_o mixture_n of_o snow_n and_o salt_n subside_v 2_o inch_n common_a oil_n place_v in_o the_o same_o mixture_n subside_v till_o it_o freeze_v but_o if_o it_o be_v immediate_o thaw_v near_o the_o fire_n it_o will_v expand_v itself_o so_o much_o as_o to_o rise_v about_o the_o mark._n the_o experiment_n succeed_v a_o second_o time_n and_o be_v try_v a_o three_o time_n the_o lump_n of_o the_o congeal_a oly_n will_v sink_v in_o the_o fluid_a oil_n oil_n of_o aniseed_n artificial_o freeze_v subside_v considerable_o in_o a_o small_a pipe_n empyreumatical_a oil_n of_o gaujacum_fw-la be_v expose_v to_o the_o utmost_a degree_n of_o cold_a will_v not_o freeze_v but_o evident_o subside_v particular_n referrable_a to_o the_o viii_o title_n 1._o two_o seal_a weather-glass_n the_o one_o make_v of_o a_o tincture_n of_o cochineal_n in_o spirit_n of_o wine_n and_o the_o other_o of_o a_o blue_a tincture_n of_o spirit_n of_o man_n blood_n and_o copper_n in_o spirit_n of_o wine_n be_v immerse_v in_o water_n till_o it_o begin_v to_o freeze_v and_o then_o be_v remove_v into_o oil_n of_o turpentine_n set_v in_o a_o mixture_n of_o snow_n and_o salt_n we_o observe_v that_o the_o liquor_n in_o both_o thermometer_n subside_v oil_n of_o aniseed_n be_v put_v into_o a_o small_a glass_n with_o a_o large_a stem_n and_o place_v in_o a_o frigorifick_a mixture_n make_v by_o a_o solution_n of_o salarmoniack_a subsided_a 3_o inch_n the_o substance_n of_o the_o oil_n be_v turn_v into_o a_o white_a concrete_a which_o when_o it_o be_v leisurely_o dissolve_v the_o fluid_a part_n emit_v several_a bubble_n and_o it_o be_v further_o observe_v in_o this_o concrete_a that_o though_o when_o thaw_v it_o swim_v upon_o water_n yet_o when_o congeal_v it_o will_v not_o title_n ix_o experiment_n concern_v the_o bubble_n from_o which_o the_o levity_n of_o ice_n be_v suppose_v to_o proceed_v cause_n of_o the_o levity_n of_o ice_n and_o its_o cause_n 1._o it_o be_v usual_o account_v a_o argument_n of_o the_o levity_n of_o ice_n above_o water_n that_o it_o swim_v upon_o it_o for_o though_o the_o superficies_n of_o small_a portion_n of_o it_o be_v not_o sensible_o emergent_a above_o the_o surface_n of_o the_o water_n yet_o in_o greenland_n where_o huge_a rock_n of_o ice_n float_v in_o the_o sea_n they_o be_v observe_v to_o be_v as_o high_a above_o the_o water_n as_o the_o mast_n of_o ship_n which_o can_v we_o suppose_v to_o float_v in_o a_o erect_a posture_n and_o to_o be_v of_o a_o prismatical_a form_n that_o part_v immerse_v will_v be_v nine_o time_n as_o much_o as_o that_o above_o the_o water_n as_o for_o the_o reason_n why_o ice_n be_v bear_v up_o above_o the_o surface_n of_o the_o water_n so_o much_o in_o greenland_n more_o than_o in_o our_o climate_n beside_o that_o the_o size_n of_o those_o piece_n of_o ice_n contribute_v to_o the_o render_v the_o observation_n more_o remarkable_a the_o water_n expansion_n in_o that_o cold_a climate_n may_v cause_v it_o to_o be_v further_a expanded_a there_o than_o here_o and_o consequent_o light_a 2._o piece_n of_o ice_n free_a from_o bubble_n float_v in_o spirit_n of_o wine_n draw_v from_o brandy_n and_o likewise_o from_o quicklime_n and_o though_o if_o that_o spirit_n be_v warm_v it_o will_v present_o subside_o yet_o as_o it_o cool_v the_o ice_n will_v ascend_v nevertheless_o some_o part_n of_o it_o be_v thaw_v
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violet_n green_a and_o precipitate_v a_o white_a powder_n out_o of_o a_o solution_n of_o sublimate_n but_o whether_o the_o like_a will_v succeed_v with_o other_o empyreumatical_a oil_n or_o not_o draw_v from_o body_n belong_v to_o the_o animal_n kingdom_n i_o shall_v leave_v other_o to_o determine_v have_v put_v some_o unrectify_v oil_n of_o human_a blood_n into_o a_o concave_a piece_n of_o glass_n and_o then_o drop_v as_o much_o oil_n of_o vitriol_n into_o it_o as_o may_v amount_v to_o a_o three_o or_o four_o part_n of_o the_o fetid_v oil_n we_o stir_v they_o together_o with_o a_o slender_a piece_n of_o solid_a glass_n upon_o which_o the_o mixture_n emit_v store_n of_o whitish_a fume_n or_o smoke_n and_o acquire_v a_o considerable_a degree_n of_o heat_n so_o that_o though_o it_o amount_v to_o not_o much_o more_o than_o a_o spoonful_n yet_o i_o be_v not_o able_a to_o hold_v my_o finger_n under_o that_o part_n of_o the_o glass_n that_o contain_v the_o liquor_n have_v take_v some_o 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mass_n in_o a_o viol_n cover_v with_o ash_n and_o be_v preserve_v in_o fusion_n for_o a_o little_a time_n afford_v a_o luna_n cornea_n but_o if_o instead_o of_o drop_v the_o salt_n upon_o the_o solution_n the_o same_o method_n just_a before_o lay_v down_o be_v take_v with_o the_o crystal_n yield_v by_o that_o solution_n moderate_o evaporate_v they_o will_v shoot_v into_o diaphanous_a brittle_a crystal_n much_o different_a from_o those_o of_o other_o metal_n endue_v with_o several_a other_o quality_n the_o quantity_n of_o salt_n interpose_v betwixt_o the_o part_n of_o the_o metal_n weigh_v but_o a_o three_o part_n of_o the_o compound_v mass_n in_o the_o foregoing_a process_n the_o follow_a phaenomena_n may_v be_v take_v notice_n of_o to_o our_o present_a purpose_n first_o that_o though_o acid_v and_o alcalyes_n have_v general_o contrary_a effect_n yet_o both_o oil_n of_o tartar_n per_fw-la deliquium_fw-la and_o spirit_n of_o salt_n have_v the_o same_o effect_n in_o precipitate_v 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any_o salt_n can_v do_v and_o as_o present_a reassume_v its_o own_o form_n the_o superfluous_a moisture_n be_v take_v from_o it_o add_v to_o this_o that_o by_o a_o gentle_a heat_n it_o may_v be_v dissolve_v in_o a_o limpid_a liquor_n and_o it_o be_v endue_v with_o a_o quality_n yet_o more_o admirable_a for_o it_o will_v ready_o dissolve_v either_o in_o spirit_n of_o wine_n or_o water_n or_o oil_n themselves_o whereas_o some_o body_n which_o may_v be_v dissolve_v in_o water_n can_v incorporate_v with_o oil_n or_o spirit_n of_o wine_n and_o è_fw-la conversò_fw-la experiment_n v._n matter_n several_a change_n in_o body_n may_v be_v effect_v by_o the_o addition_n or_o substraction_n and_o new_a modification_n of_o matter_n the_o experiment_n which_o i_o be_o about_o to_o deliver_v i_o presume_v will_v be_v sufficient_a to_o show_v that_o considerable_a alteration_n in_o body_n may_v be_v effect_v by_o the_o access_n of_o some_o part_n and_o a_o recess_n of_o other_o the_o remain_v part_n be_v modify_v afresh_o the_o experiment_n be_v the_o follow_v viz._n digest_v for_o some_o time_n one_o part_n of_o sea-salt_n with_o a_o double_a proportion_n of_o spirit_n of_o nitre_n which_o be_v distil_v in_o a_o retort_n till_o the_o caput_fw-la mortunm_n remain_v dry_a the_o follow_a change_n of_o quality_n will_v be_v observable_a first_o that_o it_o become_v a_o aqua_fw-la regis_fw-la and_o will_v dissolve_v gold_n but_o not_o silver_n yet_o will_v precipitate_v the_o latter_a when_o dissolve_v in_o aqua_fw-la regis_fw-la second_o the_o taste_n be_v more_o mild_a affect_v the_o sensory_a rather_o like_o nitre_n than_o common_a salt_n three_o it_o become_v fusible_a like_a salt-petre_n and_o like_o nitre_n dissolve_v in_o the_o flame_n of_o a_o candle_n but_o four_o though_o it_o be_v a_o quality_n of_o sea-salt_n to_o resist_v the_o action_n of_o fire_n and_o of_o acid_n spirit_n to_o cool_v inflammation_n yet_o a_o lump_n of_o this_o matter_n cast_v upon_o coal_n flame_v like_o nitre_n as_o also_o by_o a_o addition_n of_o charcoal_n when_o melt_v in_o a_o crucible_n it_o will_v burn_v with_o a_o last_a and_o splendid_a flame_n which_o will_v again_o renew_v upon_o a_o fresh_a addition_n of_o burn_a charcoal_n but_o what_o i_o chief_o design_v in_o this_o experiment_n be_v to_o turn_v a_o acid_n into_o a_o alkaly_n alkaly_n a_o acid_n may_v be_v turn_v into_o a_o alkaly_n which_o be_v effect_v by_o consume_v the_o more_o fugitive_n parth_n of_o the_o salt_n by_o repeat_v deflagration_n whereupon_o it_o acquire_v instead_o of_o a_o acid_n a_o lixiviate_v taste_n will_v turn_v syrup_n of_o violet_n green_a precipitate_v a_o solution_n of_o sublimate_n into_o a_o orange_a colour_n and_o as_o other_o fix_a salt_n will_v ferment_n with_o even_a spirit_n of_o salt_n which_o alkalyzate_a nature_n can_v not_o be_v suppose_v to_o proceed_v from_o the_o charcoal_n ash_n because_o the_o
black_a but_o also_o one_o saturate_v with_o copper_n a_o succedaneum_n to_o which_o may_v be_v make_v by_o add_v to_o sulphur_n as_o it_o melt_v over_o the_o fire_n and_o equal_a proportion_n of_o salt_n of_o tartar_n fine_o powder_v stir_v they_o till_o they_o incorporate_v and_o become_v red_a which_o mixture_n be_v put_v into_o a_o glass_n retort_n with_o half_a its_o weight_n of_o salarmoniack_a dissolve_v in_o water_n let_v it_o be_v distil_v in_o sand_n shift_v the_o receiver_n as_o the_o liquor_n draw_v off_o be_v tinge_v more_o or_o less_o so_o that_o the_o strong_a may_v be_v preserve_v by_o itself_o and_o such_o trial_n as_o these_o will_v be_v of_o more_o use_n than_o those_o usual_o make_v with_o a_o bare_a tincture_n of_o gall_n since_o there_o be_v several_a mineral_n substance_n and_o other_o body_n which_o mineral_n water_n may_v be_v impregnate_v with_o which_o discover_v not_o themselves_o in_o a_o infusion_n of_o gall_n as_o sulphur_n or_o copper_n may_v be_v so_o lock_v up_o in_o these_o water_n as_o not_o to_o be_v perceive_v till_o the_o body_n of_o the_o liquor_n be_v open_v by_o some_o proper_a additament_n and_o even_o arsenic_n itself_o may_v be_v so_o disguise_v as_o not_o to_o be_v perceive_v when_o mix_v with_o the_o water_n yet_o if_o spirit_n of_o urine_n or_o oil_n of_o tartar_n per_fw-la deliquium_fw-la be_v drop_v into_o a_o solution_n of_o it_o it_o present_o precipitate_v in_o the_o form_n of_o a_o white_a powder_n and_o so_o likewise_o if_o a_o solution_n of_o sublimate_n be_v add_v to_o it_o they_o whether_o mineral_n water_n have_v arsenic_n dissolve_v in_o they_o but_o to_o discover_v whether_o mineral_n water_n be_v impregnate_v with_o arsenic_n or_o not_o i_o put_v dantzick_n or_o english_a vitriol_n into_o a_o solution_n of_o it_o either_o of_o which_o cause_v a_o dark_a precipitate_v gradual_o to_o subside_o 14._o whether_o spirituous_a acid_n volatile_a alkalys_n or_o lixivial_a salt_n will_v precipitate_v such_o water_n 15._o the_o manner_n of_o extract_a salt_n from_o such_o water_n and_o what_o quantity_n may_v be_v extract_v guess_n may_v be_v make_v concern_v the_o saltness_n of_o these_o water_n by_o try_v whether_o they_o will_v lather_n with_o soap_n and_o if_o not_o what_o quantity_n of_o curdle_a matter_n they_o will_v yield_v i_o have_v observe_v that_o even_o the_o light_a water_n will_v yield_v a_o small_a quantity_n of_o common_a salt_n 16._o how_o to_o discover_v what_o acidity_n be_v to_o be_v find_v without_o evaporation_n have_v take_v a_o peculiar_a method_n to_o try_v the_o acidity_n of_o mineral_n water_n by_o mix_v they_o with_o a_o infusion_n of_o lignum_fw-la nephriticum_fw-la in_o simple_a water_n i_o find_v that_o though_o german_a spa_n yield_v a_o small_a quantity_n yet_o in_o that_o of_o action_n there_o be_v none_o discernible_a 17._o what_o may_v be_v observe_v by_o distillation_n in_o balnco_n 18._o what_o and_o whether_o the_o same_o quantity_n of_o caput_n mortuum_n be_v afford_v by_o evaporation_n and_o distillation_n 19_o whether_o mineral_n water_n will_v acquire_v the_o same_o quality_n and_o texture_n by_o a_o reunion_n of_o their_o caput_fw-la mortuum_n when_o distil_v to_o such_o a_o consistence_n in_o glass-vessel_n exact_o lute_v which_o they_o have_v before_o 20._o what_o change_n if_o any_o mineral_n water_n undergo_v by_o be_v boil_v in_o water_n in_o a_o glass_n hermetical_o seal_v from_o whence_o may_v be_v learn_v whether_o a_o change_n of_o quality_n will_v succeed_v a_o alteration_n of_o texture_n without_o a_o manifest_a loss_n of_o part_n and_o whether_o a_o agitation_n of_o part_n without_o the_o influence_n of_o the_o air_n will_v precipitate_v any_o thing_n or_o deprive_v it_o of_o its_o power_n to_o turn_v a_o tincture_n of_o gall_n purple_a 21._o how_o much_o the_o mineral_n water_n exceed_v their_o caput_fw-la mortuum_n in_o proportien_n 22._o what_o part_n be_v contain_v in_o the_o caput_fw-la mortuum_n and_o whether_o dissoluble_a in_o water_n 23._o how_o much_o the_o saline_n and_o terrestrial_a part_n differ_v in_o proportion_n 24._o whether_o in_o strong_a fire_n the_o salt_n be_v volatile_a or_o fix_a and_o to_o what_o degree_n 25._o whether_o the_o salt_n will_v crystallize_v per_fw-la se_fw-la or_o with_o other_o salt_n and_o what_o be_v the_o figure_n of_o the_o genuine_a or_o compound_v crystal_n 26._o whether_o acid_n or_o alkaline_n quality_n be_v most_o predominant_a the_o acidity_n will_v either_o appear_v to_o the_o taste_n or_o smell_v or_o may_v be_v discover_v by_o turn_v syrup_n of_o violet_n red_a as_o also_o by_o make_v use_n of_o a_o infusion_n of_o lignum_fw-la nephriticum_fw-la which_o upon_o a_o mixture_n of_o acid_n lose_v its_o blue_a colour_n their_o acidity_n may_v likewise_o be_v discover_v by_o try_v whether_o they_o will_v be_v precipitate_v by_o alkalys_n or_o ferment_n with_o they_o and_o if_o alkaly_n be_v predominant_a it_o on_o the_o contrary_n discover_v itself_o by_o a_o lixivial_a taste_n and_o smell_v and_o may_v be_v discover_v by_o turn_v syrup_n of_o violet_n green_a or_o precipitate_v a_o solution_n of_o sublimate_n or_o ferment_v with_o aqua_fw-la fortis_fw-la or_o last_o by_o increase_v the_o colour_n of_o a_o tincture_n of_o brasil_n or_o log-wood_n in_o common-water_n and_o though_o we_o have_v no_o such_o spring_n here_o in_o england_n as_o afford_v alkaline_a salt_n yet_o without_o question_n in_o egypt_n such_o may_v be_v find_v since_o their_o latron_n or_o the_o egyptian_a nitre_n abound_v with_o a_o salt_n of_o a_o alkaline_a nature_n and_o i_o have_v obtain_v such_o a_o alkaly_n from_o that_o famous_a water_n of_o bourbon_n in_o france_n which_o will_v turn_v syrup_n of_o violet_n green_a and_o ferment_n with_o volatile_a acid_n if_o such_o water_n abound_v with_o vitriol_n they_o will_v turn_v a_o infusion_n of_o gall_n black_a and_o vomit_v those_o that_o drink_v they_o and_o if_o a_o alkaly_n be_v add_v will_v yield_v a_o yellow_a precipitate_v upon_o drop_v of_o spirit_n of_o urine_n or_o salt_n of_o tartar_n into_o they_o i_o have_v not_o find_v any_o of_o the_o water_n about_o london_n to_o be_v impregnate_v with_o vitriol_n and_o i_o be_o tell_v that_o in_o france_n the_o mineral_n water_n be_v so_o far_o from_o be_v impregnate_v with_o vitriol_n that_o there_o be_v a_o vitriolate_a spring_n in_o that_o kingdom_n as_o for_o the_o nature_n of_o the_o salt_n which_o most_o mineral_n water_n be_v impregnate_v with_o i_o think_v that_o it_o be_v not_o to_o be_v refer_v to_o any_o glass_n but_o be_v either_o svi_fw-la generis_fw-la and_o a_o peculiar_a one_o or_o a_o compound_v salt_n make_v up_o of_o such_o as_o the_o water_n be_v impregnate_v with_o in_o its_o passage_n through_o the_o earth_n and_o that_o purgative_n salt_n may_v by_o a_o change_n of_o texture_n be_v make_v of_o salt_n not_o at_o all_o purgative_n i_o the_o rather_o believe_v because_o i_o have_v be_v tell_v by_o a_o ingenious_a empiric_n that_o a_o salt_n which_o i_o make_v of_o salt_n of_o tartar_n and_o common_a sulphur_n mix_v together_o have_v a_o gentle_a purge_v virtue_n 27._o in_o what_o menstruum_n the_o caput_fw-la mortuum_n may_v be_v dissolve_v and_o in_o what_o it_o may_v not_o whether_o volatile_a or_o fix_v and_o what_o quality_n it_o have_v in_o respect_n of_o colour_n or_o smell_n afford_v what_o proportion_n of_o salt_n mineral_n water_n afford_v it_o be_v to_o be_v admire_v what_o a_o great_a deal_n of_o caput_n mortuum_n some_o mineral_n water_n yield_v in_o comparison_n of_o other_o since_o those_o water_n which_o be_v pure_o diuretic_n have_v very_o little_a if_o compare_v with_o the_o caput_fw-la mortuum_n of_o purge_v water_n for_o though_o a_o pound_n of_o barnet_n water_n yield_v a_o drachm_n yet_o the_o same_o weight_n of_o tunbridge_n afford_v but_o a_o grain_n and_o it_o be_v not_o a_o little_a strange_a that_o so_o small_a a_o quantity_n of_o a_o mineral_n shall_v impregnate_n so_o much_o water_n as_o i_o have_v by_o trial_n find_v a_o grain_n of_o iron_n stone_n do_v enable_v it_o to_o tincture_n a_o infusion_n of_o gall_n deep_a than_o tunbridge_n or_o german_a spa_n water_n will_v and_o i_o have_v try_v that_o half_o a_o grain_n of_o marchasite_n dissolve_v in_o spirit_n of_o nitre_n communicate_v a_o tincture_n to_o 61440_o part_n of_o water_n though_o part_n of_o that_o marchasite_n be_v sulphur_n and_o part_n of_o it_o caput_fw-la mortuum_n and_o here_o it_o may_v be_v seasonable_a to_o take_v notice_n that_o if_o so_o small_a a_o portion_n of_o a_o metalline_a substance_n will_v when_o gross_o dissolve_v impregnate_n so_o large_a a_o quantity_n of_o water_n how_o much_o more_o may_v it_o when_o raise_v in_o the_o form_n of_o a_o subtle_a mineral_n fume_v and_o as_o in_o such_o a_o form_n it_o may_v impregnate_n a_o large_a quantity_n of_o water_n so_o will_v it_o be_v
receiver_n upon_o the_o exsuction_n of_o the_o air_n we_o observe_v that_o the_o air_n which_o be_v contain_v in_o the_o cavity_n of_o the_o viol_n be_v so_o far_o expanded_a that_o though_o the_o viol_n be_v able_a to_o contain_v above_o five_o drachm_n of_o water_n if_o fill_v and_o distend_v the_o empty_a bladder_n which_o be_v large_a enough_o to_o hold_v five_o ounce_n and_o half_a a_o drachm_n in_o which_o experiment_n the_o expanded_a air_n possess_v nine_o time_n as_o much_o space_n as_o it_o do_v before_o expansion_n but_o to_o measure_v the_o air_n be_v expansion_n more_o nice_o we_o fix_v a_o glass_n bubble_n to_o one_o end_n of_o a_o cylindrical_a pipe_n hermetical_o seal_v the_o diameter_n of_o who_o boar_n be_v about_o a_o quarter_n of_o a_o inch_n and_o have_v past_v a_o piece_n of_o parchment_n upon_o the_o outside_n of_o the_o tube_n which_o be_v divide_v into_o twenty_o six_o equal_a part_n and_o mark_v with_o black_a line_n we_o fill_v the_o cylinder_n almost_o full_a of_o water_n so_o that_o after_o a_o few_o trial_n by_o invert_v the_o cylinder_n and_o stop_v the_o open_a end_n with_o one_o finger_n we_o can_v perceive_v that_o as_o much_o air_n may_v be_v permit_v to_o rise_v up_o to_o the_o bubble_n as_o be_v equal_a in_o extension_n to_o the_o breadth_n of_o one_o of_o those_o twenty_o six_o division_n when_o this_o be_v do_v we_o fit_v the_o open_a end_n of_o the_o cylinder_n to_o a_o glass_n viol._n which_o be_v fill_v with_o water_n to_o the_o height_n of_o half_a a_o inch_n all_o which_o be_v put_v together_o into_o a_o pneumatical_a receiver_n after_o a_o few_o exsuction_n the_o include_v air_n be_v so_o much_o expanded_a as_o to_o extend_v itself_o to_o the_o surface_n of_o the_o water_n in_o which_o experiment_n the_o expanded_a air_n take_v up_o thirty_o one_o time_n as_o much_o space_n as_o before_o and_o this_o experiment_n be_v repeat_v in_o a_o cylinder_n which_o afford_v a_o large_a space_n for_o the_o air_n be_v expansion_n it_o take_v up_o above_o sixty_o time_n the_o space_n it_o do_v before_o and_o repeat_v the_o like_a experiment_n with_o a_o glass_n pipe_n thirty_o inch_n long_o part_n of_o it_o have_v a_o hole_n in_o the_o cover_n to_o stand_v out_o through_o by_o weigh_v the_o water_n in_o a_o nice_a pair_n of_o scale_n together_o with_o the_o pipe_n first_o with_o the_o bubble_n of_o air_n include_v and_o after_o when_o the_o tube_n be_v whole_o fill_v with_o water_n we_o find_v that_o the_o air_n which_o possess_v but_o the_o space_n of_o one_o grain_n of_o water_n have_v be_v expanded_a in_o the_o exhaust_a receiver_n so_o much_o by_o its_o own_o 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d as_o to_o take_v up_o 152_o time_n its_o space_n before_o extension_n and_o since_o marcennus_n affirm_v that_o the_o air_n may_v be_v so_o expanded_a by_o heat_n as_o to_o take_v up_o seventy_o time_n its_o space_n i_o convey_v a_o cylinder_n of_o the_o former_a magnitude_n into_o the_o receiver_n and_o find_v that_o upon_o the_o exsuction_n of_o the_o air_n in_o the_o receiver_n that_o in_o the_o cylinder_n descend_v down_o almost_o to_o the_o bottom_n of_o it_o the_o low_a surface_n of_o it_o be_v very_o convex_v and_o seem_v several_a time_n to_o knock_v upon_o and_o rebound_v from_o the_o bottom_n of_o the_o viol_n which_o be_v a_o argument_n of_o the_o expansive_a force_n of_o the_o air_n since_o the_o water_n it_o depress_v upon_o the_o draw_v out_o of_o the_o air_n be_v much_o below_o the_o surface_n of_o the_o water_n contain_v in_o the_o viol._n experiment_n vii_o what_o figure_n best_o resist_v the_o pressure_n of_o the_o air_n have_v get_v a_o thin_a glass_n bubble_n which_o be_v large_a enough_o to_o hold_v about_o five_o ounce_n of_o water_n to_o which_o be_v fix_v a_o slender_a neck_n about_o the_o bigness_n of_o a_o swan_n quill_n we_o moderate_o exhaust_v the_o air_n out_o of_o the_o receiver_n and_o then_o take_v it_o out_o of_o the_o pump_n we_o join_v the_o neck_n of_o the_o bubble_n to_o the_o low_a orifice_n of_o the_o receiver_n stop_v the_o cranny_n with_o melt_a plaster_n to_o prevent_v the_o ingress_n of_o the_o air_n and_o though_o the_o glass_n be_v as_o thin_a as_o paper_n yet_o upon_o turn_v the_o key_n of_o the_o stop-cock_n and_o give_v the_o air_n include_v in_o the_o bubble_n liberty_n to_o expand_v the_o bubble_n sustain_v the_o pressure_n of_o the_o whole_a atmosphere_n without_o be_v break_v experiment_n viii_o illustrate_v the_o former_a experiment_n illustrate_v we_o take_v a_o glass_n alembick_a which_o be_v large_a enough_o to_o hold_v about_o three_o pint_n represent_v by_o the_o seven_o figure_n the_o rostrum_n e_o be_v hermetical_o close_v in_o the_o top_n of_o the_o rostrum_n be_v a_o hole_n into_o which_o one_o of_o the_o shank_n of_o a_o stop-cock_n of_o a_o ordinary_a size_n be_v cement_v the_o other_o be_v fix_v with_o cement_n in_o the_o upper_a part_n of_o the_o pump_n which_o be_v do_v and_o the_o upper_a orifice_n of_o the_o alembick_a be_v cover_v close_o with_o a_o plate_n of_o lead_n exact_o adapt_v to_o it_o upon_o draw_v the_o air_n out_o of_o the_o receiver_n the_o glass_n present_o crack_v which_o crack_n be_v represent_v by_o the_o line_n a_o b_o and_o this_o flaw_n extend_v itself_o further_o according_o as_o the_o air_n be_v more_o exhaust_v yet_o this_o glass_n vessel_n be_v near_o twenty_o time_n thick_a than_o the_o bubble_n and_o that_o the_o figure_n of_o the_o former_a glass_n enable_v it_o so_o much_o better_a to_o sustain_v the_o atmosphere_n be_v further_o confirm_v by_o suspend_v one_o of_o the_o bubble_n hermetical_o seal_v in_o the_o receiver_n which_o so_o strong_o resist_v the_o expansion_n of_o the_o air_n contain_v in_o it_o as_o to_o continue_v whole_a when_o the_o receiver_n be_v exhaust_v experiment_n ix_o a_o confirmation_n of_o the_o former_a experiment_n a_o experiment_n to_o show_v that_o these_o phaenomena_n exhibit_v in_o vacuo_fw-la boyliano_fw-mi proceed_v not_o from_o a_o fuga_fw-la vacui_fw-la etc._n etc._n etc._n a_o confirmation_n of_o the_o former_a experiment_n etc._n etc._n have_v put_v the_o end_n of_o a_o slender_a glass_n pipe_n into_o a_o viol_n which_o be_v large_a enough_o to_o contain_v four_o ounce_n of_o water_n and_o fix_v it_o to_o the_o neck_n of_o the_o viol_n with_o a_o cement_n of_o rosin_n and_o pitch_n so_o that_o the_o end_n of_o the_o pipe_n almost_o touch_v the_o bottom_n of_o the_o viol_n as_o in_o fig._n 6_o this_o viol_n be_v convey_v into_o a_o small_a receiver_n as_o much_o water_n be_v put_v into_o it_o as_o wrought_v a_o little_a above_o the_o bottom_n of_o the_o cylinder_n the_o upper_a end_n of_o the_o pipe_n be_v most_o of_o it_o without_o the_o vessel_n a_o hole_n have_v be_v purposely_o make_v for_o it_o in_o the_o top_n of_o the_o receiver_n the_o event_n of_o which_o trial_n be_v that_o upon_o draw_v the_o air_n out_o of_o the_o pump_n the_o weight_n of_o the_o atmosphere_n internal_o press_v into_o the_o pipe_n and_o the_o spring_n of_o the_o air_n within_o the_o receiver_n not_o equal_o press_v against_o the_o side_n of_o the_o bottle_n which_o be_v expose_v to_o it_o a_o piece_n of_o the_o bottle_n burst_v out_o of_o the_o side_n of_o it_o with_o such_o a_o force_n as_o to_o crack_v the_o receiver_n in_o several_a place_n and_o have_v reiterated_a the_o experiment_n with_o a_o round_a glass_n bubble_n the_o leaden_a cover_n of_o the_o receiver_n be_v not_o only_o depress_v by_o the_o weight_n of_o the_o atmosphere_n so_o as_o to_o thrust_v out_o one_o side_n of_o the_o receiver_n but_o the_o glass_n bubble_n be_v crack_v into_o piece_n with_o such_o violence_n as_o to_o tear_v a_o bladder_n which_o it_o be_v encompass_v with_o to_o keep_v it_o from_o break_v the_o receiver_n in_o several_a place_n before_o i_o proceed_v to_o the_o next_o experiment_n it_o may_v be_v requisite_a to_o advertise_v that_o though_o the_o large_a receiver_n be_v apt_a upon_o some_o trial_n to_o crack_v yet_o they_o be_v not_o render_v altogether_o useless_a since_o when_o the_o air_n begin_v to_o be_v exhaust_v the_o ambient_fw-la atmosphere_n compress_n the_o lip_n of_o the_o glass_n close_o together_o but_o if_o the_o crack_v be_v considerable_a it_o may_v be_v cement_v with_o a_o plaster_n make_v of_o quicklime_n and_o scrape_n of_o cheese_n ground_n together_o very_o fine_o in_o a_o mortar_n and_o make_v into_o a_o paste_n with_o a_o little_a water_n which_o be_v spread_v upon_o a_o cloth_n about_o three_o inch_n broad_a must_v be_v apply_v to_o the_o crack_n experiment_n x._o receiver_n of_o the_o flame_n of_o a_o candle_n in_o a_o receiver_n have_v suspend_v a_o tallow_n candle_n in_o our_o receiver_n we_o find_v that_o upon_o a_o exsuction_n of_o
so_o much_o air_n be_v let_v in_o as_o raise_v the_o mercury_n to_o 15_o inch_n upon_o which_o the_o less_o fly_n begin_v to_o move_v infect_v may_o breath_n in_o rarify_v air_n soon_o than_o in_o artificial_a experiment_n iii_o may_v 1._o vacuo_fw-la two_o snail_n in_o vacuo_fw-la two_o snail_n seem_v well_o for_o the_o space_n of_o a_o hour_n in_o vacuo_fw-la and_o creep_v up_o to_o the_o top_n of_o the_o receiver_n but_o in_o two_o hour_n fall_v down_o void_a of_o motion_n 4_o hour_n after_o be_v expose_v to_o the_o open_a air_n they_o begin_v to_o move_v whilst_o they_o be_v shut_v up_o they_o help_v to_o produce_v air_n enough_o to_o raise_v the_o mercury_n ¼_n of_o a_o inch._n they_o live_v long_o in_o vacuo_fw-la than_o other_o in_o artificial_a art_n v._o exp._n vi._n experiment_n iu._n august_n 12._o 76._o receiver_n fly-blowings_a in_o a_o receiver_n fly-blowings_a be_v put_v into_o a_o empty_a receiver_n august_n 14._o worm_n be_v form_v so_o much_o air_n get_v in_o as_o be_v sufficient_a to_o sustain_v mercury_n 15_o digit_n whence_o it_o be_v evident_a infect_v may_v be_v produce_v and_o live_v in_o very_o rarify_v air._n see_v exp._n vi_o and_o viii_o experiment_n v._n march_n 17._o 77._o frogspawn_n be_v divide_v into_o two_o equal_a part_n fog-spawn_n fog-spawn_n and_o each_o of_o those_o include_v in_o a_o distinct_a receiver_n the_o spawn_n be_v first_o put_v into_o glass_n vessel_n one_o of_o the_o receiver_n be_v expose_v to_o the_o sun_n be_v total_o exhaust_v the_o other_o be_v leave_v full_a of_o air._n that_o in_o vacuo_fw-la swell_v into_o bubble_n may_v 2._o the_o bubble_n remain_v in_o vacuo_fw-la no_o frog_n be_v produce_v in_o either_o 3_o day_n since_o the_o bubble_n disapear_v and_o the_o spawn_n turn_v into_o a_o green_a liquor_n july_n 2._o the_o spawn_n in_o vacuo_fw-la and_o the_o water_n contain_v in_o the_o vessel_n be_v raise_v in_o vapour_n stick_v to_o the_o side_n of_o the_o receiver_n and_o there_o condense_v the_o spawn_n and_o water_n in_o the_o common_a air_n retain_v their_o own_o form_n experiment_n vi._n august_n 16._o 77._o i_o enclose_v fly_n egg_n in_o a_o empty_a receiver_n flies-egg_n flies-egg_n august_n 29._o no_o worm_n be_v produce_v i_o let_v the_o air_n into_o the_o receiver_n sept._n 4._o they_o produce_v nothing_o this_o experiment_n compare_v with_o the_o iv_o seem_v to_o show_v that_o though_o infect_v may_v be_v produce_v and_o live_v in_o air_n high_o rarify_v yet_o they_o can_v in_o vacuo_fw-la experiment_n vii_o june_n 15._o vacuo_fw-la a_o frog_n in_o vacuo_fw-la a_o frog_n enclose_v 14_o hour_n in_o a_o exhaust_a receiver_n died._n june_n 16._o the_o experiment_n be_v repeat_v in_o 2_o hour_n the_o dead_a frog_n afford_v some_o air._n june_n 18._o the_o frog_n in_o vacuo_fw-la be_v swell_v but_o the_o air_n be_v let_v in_o it_o be_v more_o lank_a than_o before_o artificial_a air_n be_v more_o prejudicial_a than_o a_o vacuum_n to_o the_o life_n of_o such_o animal_n see_v exp._n iv_o and_o vii_o of_o art_n v._n experiment_n viii_o august_n 3.78_o flie-blowings_a stick_v to_o flesh_n be_v shut_v up_o in_o vacuo_fw-la august_n 12._o no_o worm_n generate_v august_n 15._o there_o be_v no_o alteration_n in_o the_o egg_n air_n be_v let_v into_o the_o receiver_n sept._n 15._o they_o produce_v nothing_o this_o be_v a_o confirmation_n of_o the_o inference_n draw_v from_o exp._n iu._n experiment_n ix_o april_n 22.78_o vinegar_n full_a of_o small_a eel_n vacuo_fw-la vinegar_n with_o eel_n in_o vacuo_fw-la or_o vinegar_n worm_n be_v shut_v up_o in_o vacuo_fw-la august_n 29._o the_o worm_n still_o move_v the_o number_n be_v few_o than_o before_o sept._n 6._o yesterday_o they_o move_v to_o day_n they_o be_v all_o dead_a those_o leave_v in_o the_o open_a air_n be_v as_o lively_a as_o before_o whence_o it_o be_v evident_a that_o the_o air_n influence_n even_o those_o diminutive_a animal_n article_n vii_o fire_n in_o compress_v air._n experiment_n i._n may_v 14._o i_o enclose_v such_o a_o cone_n in_o a_o receiver_n vacuo_fw-la perfume_a cones_n in_o vacuo_fw-la as_o be_v usual_o whole_o consume_v in_o the_o open_a air_n before_o extinguish_v and_o then_o intrude_a as_o much_o air_n as_o raise_v the_o mercury_n 120_o digit_n high_a above_o its_o usual_a height_n i_o kindle_a the_o cone_n with_o a_o burn_a glass_n when_o ⅞_n part_v of_o a_o inch_n be_v consume_v and_o the_o receiver_n fill_v with_o smoak_n i_o take_v it_o out_o and_o find_v that_o the_o outside_n be_v only_o burn_v the_o inner_a part_n be_v leave_v untouched_a another_o cone_n be_v shut_v up_o with_o uncompressed_a air_n in_o a_o receiver_n something_o large_a much_o less_o of_o it_o be_v consume_v than_o of_o the_o former_a experiment_n ii_o may_v ii_o a_o perfume_a cone_n be_v enclose_v in_o a_o receiver_n and_o kind'ld_v in_o uncompressed_a air_n be_v weigh_v when_o the_o fume_n be_v condense_v it_o have_v lose_v a_o grain_n another_o be_v shut_v up_o with_o as_o much_o air_n as_o elevate_v the_o mercury_n 90_o inch_n lose_v 4_o grain_n more_o than_o the_o former_a so_o that_o the_o more_o air_n be_v contain_v in_o the_o receiver_n the_o great_a be_v the_o consumption_n of_o the_o matter_n burn_v in_o it_o experiment_n iii_o may_v 17.77_o a_o presume_v cone_n be_v shut_v up_o with_o a_o screw_n in_o a_o receiver_n with_o as_o much_o air_n as_o sustain_v 60_o inch_n of_o mercury_n above_o its_o usual_a height_n be_v set_v on_o fire_n with_o a_o burning-glass_n it_o lose_v 3_o grain_n and_o a_o half_a the_o experiment_n be_v repeat_v in_o air_n compress_v so_o much_o as_o to_o sustain_v 120_o inch_n lose_v 7_o ¾_n grain_n may_v 17._o the_o experiment_n be_v try_v when_o the_o mercury_n be_v at_o 97_o inch_n it_o lose_v 6_o grain_n this_o experiment_n confirm_v the_o inference_n draw_v from_o the_o forego_n and_o show_v that_o the_o consumption_n bear_v a_o great_a proportion_n to_o the_o compression_n than_o the_o compression_n to_o the_o consumption_n may_v 18.77_o a_o perfume_a cone_n be_v shut_v up_o in_o a_o receiver_n 7_o time_n as_o big_a as_o before_o lose_v 3_o ¼_n of_o its_o weight_n which_o air_n have_v it_o be_v compress_v into_o a_o 5_o part_n of_o that_o space_n the_o cone_n will_v have_v lose_v 10_o grain_n whence_o it_o appear_v that_o the_o condensation_n of_o the_o air_n promote_v the_o consumption_n of_o the_o matter_n contain_v in_o it_o experiment_n iu._n may_v 19.77_o the_o same_o experiment_n be_v repeat_v in_o a_o receiver_n close_o stop_v with_o a_o screw_n the_o cone_n lose_v a_o grain_n and_o a_o quarter_n may_v 21._o the_o same_o experiment_n be_v repeat_v and_o the_o cone_n set_v on_o fire_n it_o lose_v 4_o grain_n may_v 23._o it_o be_v twice_o repeat_v but_o the_o cone_n not_o be_v well_o fire_v in_o one_o it_o lose_v ¼_n of_o a_o grain_n in_o the_o other_o a_o whole_a one_o may_v 24._o the_o cone_n lose_v 1_o grain_n and_o ¼_n the_o cone_n be_v take_v out_o and_o cleanse_v of_o the_o soot_n it_o lose_v in_o a_o receiver_n 6_o grain_n ½_n in_o a_o uncleansed_a receiver_n it_o lose_v 3_o grain_n in_o weight_n may_v 25._o in_o a_o cleanse_a receiver_n it_o lose_v 6_o grain_n ½_n in_o one_o well_o cleanse_v after_o it_o lose_v 7_o grain_n ½_n in_o a_o receiver_n unwashed_a the_o cone_n will_v scarce_o be_v kindle_v may_v 26._o in_o a_o receiver_n unwashed_a in_o the_o middle_n of_o a_o sunshine_n day_n the_o burning-glass_n be_v long_o apply_v it_o be_v 8_o grain_n light_a whence_o it_o appear_v that_o though_o the_o consumption_n of_o the_o matter_n be_v not_o always_o the_o same_o in_o the_o quantity_n of_o air_n yet_o it_o be_v great_a according_a to_o the_o degree_n of_o compression_n experiment_n v._n may_v 22._o have_v enclose_v a_o perfume_a cone_n with_o so_o much_o air_n as_o raise_v the_o mercury_n 30_o digit_n above_o its_o usual_a height_n it_o lose_v 1_o ¾_n of_o a_o grain_n may_v 23._o the_o same_o experiment_n be_v try_v with_o the_o same_o success_n the_o same_o experiment_n be_v try_v again_o the_o receiver_n break_v into_o 100_o piece_n see_v exper._n 3._o yea_o in_o exp._n vi_o of_o art_n ii_o though_o it_o resist_v air_n compress_v enough_o to_o sustain_v 198_o digit_n yet_o another_o time_n it_o be_v break_v with_o a_o six_o part_n of_o that_o pressure_n therefore_o a_o man_n aught_o in_o try_v such_o experiment_n to_o guard_v his_o head_n lest_o a_o receiver_n accidental_o break_v shall_v fly_v in_o piece_n and_o wound_v he_o article_n viii_o fire_n use_v to_o produce_v air._n experiment_n i._n june_n 4._o 76._o sulphur_n paper_n besmear_v with_o sulphur_n paper_n besmear_v with_o sulphur_n and_o burn_v in_o vacuo_fw-la yield_v air_n which_o last_v 2_o day_n without_o diminution_n experiment_n ii_o june_n 15._o
gradual_o as_o to_o be_v fill_v in_o 24_o hour_n the_o liquor_n still_o remain_v colourless_a feb._n 15._o the_o glass_n be_v again_o shut_v up_o in_o vacuo_fw-la with_o paste_n the_o air_n afford_v by_o it_o do_v not_o as_o before_o penetrate_v the_o leather_n nor_o be_v the_o liquor_n in_o the_o least_o tinged_a by_o it_o experiment_n xv._o april_n 2._o 78._o have_v put_v a_o shrew-mouse_n into_o the_o engine_n describe_v vacuo_fw-la a_o shrew-mouse_n in_o vacuo_fw-la for_o the_o filtration_n of_o air_n through_o water_n when_o the_o pump_n be_v stir_v and_o the_o air_n begin_v to_o penetrate_v the_o water_n it_o be_v a_o little_o better_a but_o can_v not_o recover_v apr._n 12._o the_o experiment_n be_v repeat_v with_o a_o weak_o mouse_n that_o have_v be_v keep_v fast_v a_o long_a time_n the_o success_n be_v the_o same_o as_o in_o the_o last_o experiment_n for_o the_o mouse_n be_v take_v out_o before_o it_o be_v dead_a can_v not_o recover_v in_o the_o free_a air._n experiment_n xvi_o may_v 2._o 78._o six_o week_n ago_o etc._n spawn_n of_o frog_n in_o vacuo_fw-la etc._n etc._n spawn_n of_o frog_n be_v include_v in_o common_a air_n in_o vacuo_fw-la and_o in_o another_o receiver_n with_o compress_v air_n which_o sustain_v 60_o digit_n above_o the_o ordinary_a height_n the_o mercury_n in_o vacuo_fw-la in_o 15_o day_n be_v raise_v 1_o inch._n the_o spawn_n in_o common_a air_n be_v corrupt_a and_o blackish_a that_o in_o the_o compress_v air_n remain_v unaltered_a a_o month_n after_o the_o spawn_n in_o vacuo_fw-la be_v turn_v into_o water_n except_o the_o black_a spot_n but_o have_v not_o alter_v its_o colour_n that_o in_o the_o common_a air_n be_v very_o black_a that_o in_o the_o compress_v air_n begin_v to_o be_v red_a which_o colour_n sensible_o increase_v may_v 22._o that_o in_o the_o common_a air_n have_v lose_v its_o colour_n june_n 23._o that_o in_o the_o compress_v air_n have_v acquire_v a_o greenness_n octob._n 15._o that_o in_o vacuo_fw-la be_v exhale_v out_o of_o its_o vessel_n and_o remain_v in_o the_o receiver_n in_o the_o form_n of_o water_n that_o in_o the_o common_a air_n be_v void_a of_o colour_n and_o that_o in_o the_o compress_v air_n be_v still_o red_a experiment_n xvii_o may_v 9_o 78._o a_fw-la orange_n have_v be_v divide_v vacuo_fw-la orange_n in_o vacuo_fw-la and_o include_v in_o two_o receiver_n in_o which_o be_v leave_v a_o equal_a vacuity_n the_o capacity_n of_o the_o large_a be_v so_o far_o fill_v with_o water_n as_o it_o be_v big_a than_o the_o cavity_n of_o the_o other_o i_o observe_v that_o that_o which_o be_v shut_v up_o with_o water_n be_v four_o time_n more_o mouldy_a than_o the_o other_o the_o same_o experiment_n be_v repeat_v the_o three_o part_n of_o the_o cavity_n of_o one_o receiver_n be_v fill_v with_o water_n yet_o the_o orange_n be_v not_o touch_v by_o it_o june_n 15._o neither_o of_o the_o piece_n of_o the_o orange_n be_v mouldy_a and_o the_o same_o experiment_n be_v again_o repeat_v neither_o piece_n be_v mouldy_a in_o a_o month_n time_n the_o difference_n seem_v to_o be_v the_o effect_n of_o some_o disposition_n in_o the_o air._n experiment_n xviii_o june_n 1._o 78._o a_o small_a glass_n tube_n wind-gun_n venice_n turpentine_n in_o a_o wind-gun_n half_a full_a of_o venice_n turpentine_n be_v put_v into_o the_o wind-gun_n as_o soon_o as_o the_o air_n be_v compress_v into_o a_o ten_o part_n of_o the_o space_n it_o possess_v before_o the_o leather_n which_o cover_v the_o elliptic_a hole_n be_v drive_v out_o the_o tube_n be_v take_v out_o i_o perceive_v several_a bubble_n in_o the_o top_n of_o the_o turpentine_n which_o i_o suppose_v have_v be_v press_v into_o it_o when_o the_o cavity_n of_o the_o gun_n have_v air_n compress_v in_o it_o therefore_o place_v the_o tube_n again_o in_o the_o gun_n i_o cause_v the_o air_n to_o be_v condense_v to_o 15_o time_n as_o little_a compass_n june_n 3_o the_o turpentine_n be_v take_v out_o be_v free_a from_o bubble_n but_o by_o degree_n a_o great_a many_o be_v form_v in_o it_o june_n 4._o have_v free_v turpentine_n from_o its_o air_n and_o pour_v water_n upon_o it_o i_o shut_v up_o all_o in_o the_o wind-gun_n june_n 8._o at_o the_o first_o sight_n both_o the_o water_n and_o turpentine_n be_v free_a from_o bubble_n but_o soon_o after_o they_o appear_v and_o ascend_v in_o the_o turpentine_n almost_o from_o the_o bottom_n so_o that_o the_o air_n that_o form_v these_o bubble_n penetrate_v the_o water_n and_o most_o of_o the_o turpentine_n experiment_n xix_o aug._n 11._o 78._o when_o spirit_n of_o sal_fw-la ammoniac_a be_v clear_v of_o its_o bubble_n vacuo_fw-la file_n of_o copper_n and_o sp._n sal_fw-la armon_n in_o vacuo_fw-la i_o mix_v file_n of_o copper_n with_o it_o in_o vacuo_fw-la upon_o which_o it_o yield_v several_a bubble_n they_o do_v not_o yield_v air_n but_o destroy_v what_o be_v contain_v there_o before_o the_o liquor_n be_v green_a and_o turbid_v decemb._n 5._o the_o spirit_n be_v for_o the_o great_a part_n get_v out_o of_o the_o vessel_n and_o condense_v in_o the_o receiver_n that_o which_o continue_v in_o the_o vessel_n be_v as_o clear_a as_o water_n the_o mercury_n be_v whole_o drive_v out_o of_o the_o gage_n whence_o it_o be_v reasonable_a to_o suppose_v that_o the_o air_n be_v gradual_o consume_v in_o the_o receiver_n experiment_n xx._n septemb_n 2._o 78._o a_o cylinder_n of_o tin_n and_o another_o of_o lead_n etc._n mercury_n raise_v in_o a_o tube_n in_o vacuo_fw-la etc._n etc._n be_v immerse_v in_o vacuo_fw-la in_o mercury_n and_o two_o other_o in_o mercury_n expose_v to_o common_a air._n sept._n 6._o the_o mercury_n in_o the_o tin_n cylinder_n in_o vacuo_fw-la be_v raise_v 4_o inch_n and_o a_o half_a the_o pipe_n be_v cut_v transvers_o half_o of_o that_o space_n above_o the_o mercury_n it_o be_v immerse_v in_o and_o in_o another_o place_n a_o inch_n above_o the_o surface_n of_o the_o mercury_n the_o amalgama_n have_v penetrate_v into_o the_o metal_n half_a a_o line_n above_o and_o a_o whole_a one_o below_o the_o mercury_n in_o the_o lead_n pipe_n have_v not_o sensible_o penetrate_v into_o that_o metal_n except_o where_o it_o be_v immerse_v it_o be_v raise_v in_o it_o 2_o ½_n sept._n 7._o the_o mercury_n have_v ascend_v 5_o digit_n in_o the_o tin_n pipe_n which_o be_v expose_v to_o the_o air._n sept._n 10._o the_o same_o cylinder_n continue_n in_o the_o mercury_n be_v besmear_v up_o to_o the_o very_a top_n 6_o inch_n above_o the_o surface_n of_o the_o stagnant_a mercury_n which_o have_v penetrate_v the_o tube_n the_o deep_a by_o how_o much_o the_o near_o the_o stagnant_a mercury_n so_o that_o near_o the_o surface_n it_o have_v penetrate_v 3_o line_n deep_a the_o mercury_n be_v not_o raise_v above_o 3_o digit_n and_o a_o half_a in_o the_o lead_n pipe_n nor_o have_v it_o make_v any_o sensible_a penetration_n so_o that_o the_o pressure_n of_o the_o air_n contribute_v little_a to_o the_o ascent_n of_o mercury_n into_o metal_n experiment_n xxi_o decemb._n 12._o 78._o the_o head_n of_o a_o whiting_n be_v cut_v off_o vacuo_fw-la a_o whiting_n in_o vacuo_fw-la and_o divide_v into_o 5_o part_n one_o of_o they_o be_v shut_v up_o in_o vacuo_fw-la another_o in_o common_a air_n another_o in_o compress_v air_n which_o sustain_v 50_o digit_n above_o the_o usual_a height_n the_o four_o be_v include_v with_o air_n from_o paste_n the_o last_o piece_n be_v expose_v to_o open_v air._n decemb._n 15._o that_o in_o the_o open_a air_n in_o the_o morning_n begin_v to_o shine_v and_o in_o the_o evening_n yield_v a_o light_n more_o vivid_v decemb._n 16._o it_o give_v over_o shine_v till_o evening_n dec._n 17._o it_o shine_v a_o little_a dec._n 18._o at_o night_n it_o shine_v a_o little_a dec._n 20._o it_o continue_v to_o shine_v dec._n 22._o it_o cease_v dec._n 23._o that_o include_v in_o common_a air_n begin_v to_o shine_v the_o 24._o it_o do_v not_o jan._n 26._o 79._o none_o of_o they_o shine_v article_n xii_o artificial_a air_n destroy_v experiment_n i._n august_n 3._o 77._o artificial_a air_n of_o cherry_n be_v transmit_v into_o a_o receiver_n full_a of_o common_a air_n destroy_v artificial_a air_n of_o cherry_n destroy_v till_o the_o mercury_n be_v raise_v 25_o inch_n above_o its_o usual_a height_n aug._n 4_o it_o sink_v to_o 23_o aug._n 6_o it_o sink_v to_o 20_o aug._n 7_o aug._n 8_o a_o little_a aug._n 10_o to_o 19_o ½_n experiment_n ii_o may_v 26._o 76._o destroy_v artificial_a air_n generate_v and_o destroy_v six_o grain_n of_o sal_fw-la armon_n be_v let_v fall_v into_o a_o sufficient_a quantity_n of_o oil_n of_o vitriol_n in_o vacuo_fw-la there_o follow_v a_o great_a ebullition_n so_o that_o the_o mercury_n rise_v to_o it_o be_v usual_a height_n but_o present_o subside_v again_o may_v 27._o the_o same_o experiment_n be_v try_v
phaenomena_n afford_v by_o frog_n in_o a_o exhaust-receiver_n experiment_n i._n sept._n 9_o 1662._o a_o large_a frog_n be_v shut_v up_o in_o vacuo_fw-la vacuo_fw-la frog_n in_o vacuo_fw-la be_v but_o little_o swell_v and_o move_v her_o throat_n almost_o as_o fast_o as_o before_o the_o receiver_n be_v evacuate_v her_o body_n swell_v more_o and_o she_o continue_v alive_a about_o 2_o hour_n in_o a_o little_a more_o than_o 3_o hour_n she_o seem_v dead_a but_o be_v leave_v all_o night_n upon_o the_o grass_n she_o recover_v again_o experiment_n ii_o a_o frog_n be_v enclose_v in_o a_o receiver_n almost_o total_o exhaust_v about_o 11_o a_o clock_n at_o the_o first_o seem_v unaltered_a but_o in_o six_o hour_n die_v experiment_n iii_o sept._n 6._o 62._o a_o slender_n and_o a_o large_a frog_n be_v both_o include_v in_o a_o receiver_n whilst_o it_o be_v exhaust_v the_o lesser_a skip_v up_o and_o down_o and_o some_o time_n after_o but_o in_o a_o quarter_n of_o a_o hour_n seem_v dead_a the_o large_a frog_n swell_v a_o little_a and_o continue_v alive_a half_a a_o hour_n but_o the_o receiver_n leak_a we_o pursue_v the_o experiment_n no_o further_o experiment_n iu._n a_o small_a frog_n be_v include_v in_o a_o receiver_n at_o the_o first_o seem_v lively_a but_o after_o move_v up_o and_o down_o as_o if_o very_a uneasy_a yet_o be_v alive_a when_o the_o receiver_n be_v whole_o exhaust_v for_o the_o space_n of_o a_o hour_n but_o at_o the_o latter_a end_n of_o the_o time_n she_o want_v respiration_n and_o her_o belly_n and_o throat_n be_v swell_v in_o 3_o ½_n hour_n time_n the_o air_n be_v let_v in_o the_o abdomen_fw-la and_o throat_n subside_v and_o instead_o of_o a_o swell_a there_o remain_v a_o cavity_n experiment_n v._n a_o large_a frog_n be_v shut_v up_o in_o a_o plate_a receiver_n exhaust_v in_o seven_o hour_n be_v dead_a be_v much_o swell_v but_o upon_o a_o ingress_n of_o air_n be_v lanker_n than_o ever_o title_n iv_o of_o the_o phaenomena_n afford_v by_o a_o new_o kitten_v kitling_n in_o vacuo_fw-la vacuo_fw-la a_o kitling_n in_o vacuo_fw-la a_o new_o kitten_v kitling_n be_v include_v in_o a_o receiver_n when_o it_o begin_v to_o be_v exhaust_v in_o a_o minute_n after_o convulsion_n lay_v with_o the_o tongue_n out_o as_o if_o dead_a but_o when_o expose_v to_o the_o air_n in_o a_o trice_n recover_v another_o kitling_n of_o the_o same_o age_n be_v include_v in_o the_o same_o receiver_n after_o it_o have_v be_v by_o turn_n convulsive_a six_o minute_n upon_o pump_v out_o the_o air_n seem_v dead_a and_o when_o take_v out_o of_o the_o receiver_n lay_v with_o its_o tongue_n out_o without_o either_o pulse_n or_o respiration_n but_o be_v pinch_v it_o present_o give_v sign_n of_o life_n and_o in_o a_o quarter_n of_o a_o hour_n gape_v and_o strain_v to_o fetch_v breath_n it_o recover_v a_o three_o be_v put_v into_o the_o same_o receiver_n after_o violent_a convulsion_n and_o want_n of_o breath_n in_o a_o minute_n and_o half_n seem_v dead_a no_o more_o air_n be_v draw_v out_o than_o what_o be_v do_v at_o 3_o exsuction_n the_o pump_n be_v still_o ply_v and_o the_o kitling_n seem_v to_o swell_v some_o time_n after_o give_v sign_n of_o life_n be_v violent_o convulse_v after_o it_o have_v be_v enclose_v 7_o minute_n we_o let_v in_o the_o air_n and_o put_v aq._n vitæ_fw-la into_o the_o mouth_n of_o the_o kitling_n yet_o it_o die_v in_o our_o hand_n these_o animal_n continue_v perhaps_o 3_o time_n as_o long_o alive_a in_o vacuo_fw-la as_o other_o will_v have_v do_v title_n v._o some_o trial_n about_o the_o air_n usual_o harbour_v in_o the_o pore_n of_o water_n etc._n etc._n water_n air_n conceal_v in_o the_o pore_n of_o water_n to_o try_v how_o much_o air_n be_v contain_v in_o a_o quantity_n of_o water_n in_o reference_n to_o their_o bulk_n we_o fill_v a_o chemical_a pipe_n 36_o inch_n long_o with_o water_n and_o invert_v it_o in_o a_o glass_n vessel_n about_o ¼_n of_o a_o inch_n deep_a and_o 2_o inch_n diameter_n these_o be_v include_v in_o a_o receiver_n the_o air_n be_v pump_v out_o and_o upon_o a_o readmission_n of_o it_o the_o bubble_n collect_v at_o the_o top_n want_v 8_o 10_o of_o about_o 100_o part_n of_o a_o inch._n soon_o after_o a_o tube_n to_o be_v describe_v by_o and_o by_o be_v fill_v with_o the_o same_o water_n and_o invert_v and_o when_o the_o receiver_n into_o which_o it_o be_v convey_v be_v so_o far_o exhaust_v that_o the_o water_n in_o the_o pipe_n sink_v even_o with_o the_o stagnant_a water_n air_n be_v let_v in_o and_z rise_v the_o water_n within_o a_o ten_o part_n and_o ½_n of_o a_o inch_n to_o the_o top._n the_o tube_n be_v 43_o ¼_n inch_n above_o the_o stagnant_a water_n this_o experiment_n be_v twice_o try_v the_o first_o time_n the_o space_n possess_v by_o the_o air_n be_v ¼_n of_o a_o inch_n and_o more_o the_o second_o it_o be_v ½_n and_o 1_o 15._o the_o first_o time_n the_o water_n subside_v level_a with_o the_o stagnant_a water_n in_o the_o second_o trial_n within_o 4_o or_o 5_o inch_n of_o it_o in_o these_o experiment_n it_o be_v observable_a that_o though_o the_o air_n possess_v so_o little_a room_n in_o the_o pore_n of_o the_o water_n that_o the_o water_n seem_v not_o to_o subside_v when_o it_o be_v draw_v out_o yet_o the_o air_n in_o the_o cavity_n of_o the_o tube_n possess_v a_o considerable_a space_n quare_fw-la whether_o water_n free_v once_o of_o its_o air_n will_v yield_v air_n again_o and_o whether_o there_o be_v not_o air_n enough_o in_o the_o pore_n of_o water_n to_o be_v serviceable_a to_o fish_n when_o suck_v through_o their_o gills_o to_o discover_v more_o nice_o what_o quantity_n of_o air_n be_v contain_v in_o the_o pore_n of_o water_n we_o make_v use_v of_o a_o pipe_n which_o consist_v of_o a_o globous_a part_n 3_o ½_n inches_n diameter_n and_o a_o stem_n 9_o inch_n long_o a_o inch_n of_o which_o at_o the_o top_n be_v melt_v and_o draw_v out_o 2_o or_o 3_o inch_n till_o it_o be_v as_o slender_a as_o a_o crow_n quill_n this_o glass_n be_v fill_v with_o water_n be_v with_o a_o pedestal_n convey_v into_o a_o receiver_n and_o upon_o evacuate_v of_o it_o bubble_n plentiful_o rise_v and_o make_v a_o kind_n of_o a_o froth_n or_o foam_n but_o break_v at_o the_o top_n of_o the_o slender_a pipe_n they_o do_v not_o run_v over_o when_o the_o receiver_n have_v be_v pretty_a well_o exhaust_v we_o leave_v off_o pump_v till_o the_o water_n have_v be_v pretty_a well_o free_v from_o bubble_n and_o so_o we_o successive_o pump_v and_o leave_v off_o again_o till_o the_o water_n seem_v quite_o free_a from_o air_n and_o then_o let_v in_o external_n air_n the_o water_n do_v not_o seem_v a_o hair_n breadth_n low_a than_o before_o the_o like_a experiment_n be_v try_v with_o claret_n which_o make_v we_o think_v it_o worth_a while_n to_o try_v what_o kind_n of_o substance_n may_v be_v obtain_v from_o aerial_a and_o spirituous_a body_n by_o handle_v they_o thus_o title_n vi_o of_o some_o phaenomena_n afford_v by_o shell-fish_n in_o a_o exhaust_a receiver_n experiment_n i._n vacuo_fw-la oyster_n in_o vacuo_fw-la two_o oyster_n in_o their_o shell_n be_v shut_v up_o in_o vacuo_fw-la whilst_o the_o receiver_n be_v exhaust_v several_a bubble_n get_v out_o of_o the_o shell_n the_o oyster_n be_v alive_a at_o the_o end_n of_o 24_o hour_n experiment_n ii_o vacuo_fw-la a_o craw-fish_n in_o vacuo_fw-la a_o craw-fish_n be_v include_v in_o a_o receiver_n when_o the_o air_n be_v pretty_a well_o exhaust_v seem_v dead_a but_o revive_v upon_o a_o readmission_n of_o the_o air_n when_o the_o air_n be_v again_o exhaust_v it_o be_v void_a of_o motion_n the_o experiment_n be_v 3_o or_o 4_o time_n exhaust_v and_o air_n let_v in_o again_o when_o the_o fish_n be_v take_v out_o it_o seem_v not_o to_o have_v suffer_v much_o harm_n experiment_n iii_o another_o oyster_n be_v shut_v up_o in_o a_o receiver_n and_o immerse_v in_o water_n that_o the_o bubble_n which_o may_v come_v out_o of_o the_o shell_n may_v be_v visible_a if_o any_o we_o find_v that_o this_o fish_n be_v so_o strong_a that_o no_o bubble_n can_v get_v out_o of_o the_o shell_n experiment_n iu._n a_o craw-fish_n strong_a than_o the_o former_a except_o one_o small_a intermission_n continue_v in_o motion_n whilst_o the_o air_n be_v exhaust_v title_n vii_o of_o the_o phaenomena_n of_o a_o scale_n fish_n in_o a_o exhaust_a receiver_n vacuo_fw-la a_o gudgeon_n in_o vacuo_fw-la we_o fill_v the_o globous_a part_n of_o a_o receiver_n which_o be_v shape_v like_o a_o bolt-head_n and_o large_a enough_o to_o hold_v a_o pint_n half_a full_a of_o water_n and_o put_v a_o gudgeon_n 3_o inch_n long_o into_o it_o which_o swim_v up_o and_o down_o this_o be_v do_v we_o exhaust_v the_o
perpendicular_a to_o the_o horizon_n and_o the_o low_a end_n of_o it_o immerse_v in_o water_n this_o do_v we_o cover_v the_o ball_n of_o the_o bolt-head_n with_o a_o mixture_n of_o beat_a ice_n and_o bay-salt_n upon_o which_o the_o internal_a air_n be_v condense_v the_o water_n rise_v up_o into_o the_o stem_n and_o stand_v a_o good_a while_n then_o have_v make_v a_o mark_n at_o its_o high_a station_n we_o fill_v the_o vessel_n with_o water_n and_o find_v that_o it_o yield_v ℥_o 19_o and_o ʒuj_fw-la the_o weight_n of_o the_o water_n which_o fill_v the_o stem_n up_o to_o the_o mark_n being_n ℥_o j_o and_o ʒiij_fw-la by_o which_o number_n the_o former_a be_v divide_v the_o quotient_n be_v 14_o 4_o 11_o drachm_n so_o that_o the_o proportion_n of_o the_o two_o quantity_n be_v as_o 11_o to_o 158_o the_o space_n into_o which_o the_o air_n be_v condense_v be_v to_o it_o be_v former_a space_n as_o 147_o to_o 158_o so_o that_o the_o high_a degree_n of_o condensation_n it_o be_v then_o capable_a of_o make_v it_o lose_v of_o its_o former_a extent_n 11_o 158._o n._n b._n first_o the_o stem_n of_o the_o glass_n ought_v to_o be_v long_o lest_o the_o water_n upon_o the_o air_n be_v condensation_n shall_v rise_v into_o the_o ball_n of_o it_o second_o the_o cylinder_n of_o water_n be_v two_o foot_n so_o that_o it_o may_v by_o its_o weight_n in_o some_o measure_n hinder_v the_o ascent_n of_o more_o and_o so_o keep_v the_o air_n from_o condense_v to_o its_o utmost_a three_o when_o the_o water_n rise_v as_o high_a as_o it_o well_o can_v we_o observe_v it_o to_o rise_v and_o fall_v alternate_o for_o a_o little_a time_n four_o the_o air_n may_v thus_o be_v further_o condense_v than_o by_o winter_n cold._n but_o to_o show_v that_o in_o the_o forego_v experiment_n the_o cold_a do_v not_o compress_v the_o air_n immediate_o but_o partly_o in_o as_o much_o as_o it_o by_o stuff_v up_o the_o pore_n of_o the_o water_n cause_v it_o to_o swell_v and_o so_o to_o compress_v the_o air_n i_o take_v a_o new_a glass_n bolt-head_n with_o a_o short_a neck_n and_o fill_v it_o full_a of_o water_n so_o that_o when_o it_o be_v hermetical_o seal_v up_o the_o liquor_n wrought_v within_o 3_o inch_n of_o the_o top_n the_o sharp_a end_n which_o be_v make_v for_o the_o conveniency_n of_o seal_v be_v ¼_n of_o a_o inch_n long_o this_o be_v do_v the_o bolt-head_n be_v place_v in_o a_o mixture_n of_o snow_n and_o salt_n upon_o which_o the_o water_n ascend_v and_o compress_v the_o air_n into_o the_o conical_a part_n upon_o which_o the_o glass_n fly_v in_o piece_n in_o which_o experiment_n according_a to_o dr._n wallis_n his_o estimate_n the_o air_n be_v compress_v into_o a_o 40th_o part_n of_o the_o space_n it_o possess_v before_o which_o be_v considerable_a above_o the_o utmost_a compressure_n make_v in_o windgun_n where_o it_o be_v usual_o think_v not_o to_o be_v compress_v into_o less_o than_o a_o 15_o and_o according_a to_o mersennus_n into_o a_o 8_o part_n of_o its_o former_a space_n chap._n xi_o of_o the_o admirable_o differ_v extension_n of_o the_o same_o quantity_n of_o air_n rarefy_v and_o compress_v air._n the_o admirable_a different_a extension_n of_o the_o same_o quantity_n of_o air._n the_o first_o thing_n i_o shall_v take_v notice_n of_o concern_v the_o different_a degree_n of_o the_o air_n be_v rarefaction_n and_o condensation_n be_v that_o in_o our_o climate_n though_o cold_a will_v not_o condense_a it_o near_o into_o a_o 20_o part_n of_o the_o space_n it_o possess_v before_o yet_o it_o may_v be_v expanded_a to_o 70_o time_n that_o space_n second_o the_o air_n may_v be_v much_o more_o condense_v and_o rarify_v by_o our_o engine_n than_o by_o heat_n or_o cold_a the_o proportion_n in_o respect_n of_o expansion_n be_v as_o 1_o to_o 70._o but_o three_o perhaps_o the_o proportion_n betwixt_o the_o degree_n of_o the_o air_n be_v condensation_n and_o rarefaction_n will_v not_o be_v think_v so_o great_a as_o what_o we_o have_v mention_v if_o we_o consider_v that_o the_o air_n we_o make_v experiment_n with_o here_o below_o be_v so_o much_o compress_v already_o by_o the_o incumbent_a atmosphere_n that_o for_o that_o reason_n it_o be_v more_o incline_v by_o its_o spring_n to_o yield_v to_o a_o expansive_a than_o a_o compressive_a force_n four_o it_o may_v be_v question_v how_o the_o part_n of_o the_o air_n which_o have_v a_o specific_a gravity_n come_v to_o be_v spread_v so_o thin_a in_o the_o cavity_n of_o the_o exhaust_a receiver_n since_o there_o be_v nothing_o in_o it_o for_o they_o to_o swim_v in_o and_o to_o bear_v they_o up_o since_o the_o proportion_n be_v so_o great_a betwixt_o the_o part_n of_o the_o air_n and_o the_o cavity_n of_o the_o receiver_n they_o be_v contain_v in_o five_o it_o be_v not_o a_o little_a wonderful_a that_o air_n shall_v be_v so_o subject_a to_o vary_v its_o dimension_n so_o that_o if_o we_o consider_v how_o far_o it_o may_v be_v expanded_a without_o the_o assistance_n of_o art_n elaborate_a engine_n or_o heat_n the_o 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experiment_n i._n copper_n change_v of_o colour_n in_o a_o solution_n of_o copper_n file_n of_o crude_a copper_n be_v put_v into_o a_o crystal_n glass_n of_o a_o conical_a figure_n with_o as_o much_o spirit_n of_o salt_n as_o stand_v a_o finger_n breadth_n above_o the_o file_n we_o cover_v the_o vessel_n with_o a_o stopple_n exact_o adapt_v to_o it_o upon_o a_o solution_n of_o the_o copper_n the_o colour_n of_o the_o liquor_n be_v a_o dark_a brown_n but_o it_o soon_o lose_v that_o colour_n and_o be_v clear_a again_o like_o common_a water_n but_o when_o by_o take_v out_o the_o stopple_n the_o liquor_n be_v again_o expose_v to_o the_o air_n it_o first_o acquire_v a_o brown_a colour_n upon_o the_o top_n and_o that_o penetrate_a deep_a into_o the_o liquor_n by_o degree_n it_o in_o a_o quarter_n of_o a_o hour_n be_v whole_o tinge_v with_o a_o brown_a colour_n again_o and_o so_o it_o successive_o lay_v down_o and_o re-acquired_a that_o colour_n as_o it_o be_v stop_v up_o or_o expose_v to_o 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experiment_n iu._n some_o of_o the_o aforementioned_a tincture_n be_v leave_v a_o considerable_a time_n in_o a_o window_n lose_v its_o colour_n and_o appear_v like_o common_a water_n but_o towards_o the_o latter_a end_n of_o december_n be_v expose_v to_o the_o air_n it_o acquire_v a_o faint_a and_o moderate_o transparent_a green_n experiment_n v._n wine_n file_n of_o copper_n and_o spirit_n of_o wine_n file_n of_o copper_n and_o as_o much_o rectify_v spirit_n of_o fermented_a urine_n as_o rise_v a_o inch_n above_o they_o be_v shut_v up_o in_o a_o conical_a glass_n with_o a_o mercurial_a gage_n in_o some_o hour_n the_o mercury_n in_o the_o seal_a leg_n be_v depress_v experiment_n vi._n a_o gage_n be_v shut_v up_o in_o a_o
fortissimo_fw-la vitreo_fw-la ponantur_fw-la ad_fw-la ignem_fw-la arenae_fw-la donec_fw-la vitrum_fw-la optime_fw-la incalescat_fw-la &_o praedicta_fw-la solvantur_fw-la &_o liquentur_fw-la instar_fw-la picis_fw-la quod_fw-la observabitur_fw-la quando_fw-la filum_fw-la quoddam_fw-la immittitur_fw-la in_o fundum_fw-la quod_fw-la extractum_fw-la postea_fw-la instar_fw-la terebinthinae_fw-la trahetur_fw-la ubi_fw-la satis_fw-la coctum_fw-la erit_fw-la postea_fw-la remove_n vitrum_fw-la ab_fw-la igne_fw-la &_o subtiliter_fw-la pulverisa_fw-la &_o ad_fw-la usum_fw-la serva_fw-la another_o eminent_a physician_n preserve_v himself_o from_o the_o plague_n by_o take_v every_o morning_n a_o little_a sea_n salt_n dissolve_v in_o sea_n water_n and_o in_o another_o plague_n i_o know_v two_o recover_v with_o a_o conserve_v make_v of_o goat_n rue_n cease_v why_o the_o plague_n sometime_o unexpected_o cease_v but_o further_a beside_o what_o have_v be_v discourse_v on_o it_o be_v not_o less_o disagreeable_a with_o our_o hypothesis_n that_o sometime_o the_o plague_n unexpected_o cease_v since_o those_o subterraneal_a effluvia_fw-la which_o continue_v the_o infection_n cease_v to_o be_v emit_v from_o the_o earth_n those_o in_o the_o air_n be_v soon_o spend_v and_o sweep_v away_o with_o the_o wind_n which_z effluvia_fw-la may_v cease_v to_o be_v emit_v either_o because_o they_o meet_v with_o some_o other_o effluvia_fw-la in_o the_o earth_n which_o correct_v they_o or_o because_o they_o primary_o rise_v from_o a_o conflict_n and_o agitation_n depend_v on_o the_o mutual_a action_n of_o two_o body_n which_o as_o spirit_n of_o salt_n pour_v on_o file_n of_o iron_n or_o aquafortis_n on_o salt_n of_o tartar_n emit_v fume_n less_o plentiful_o as_o the_o ebullition_n decline_v and_o that_o noxious_a exhalation_n may_v be_v correct_v by_o a_o combination_n of_o other_o as_o pernicious_a not_o only_o appear_v from_o what_o have_v be_v before_o deliver_v but_o may_v be_v illustrate_v by_o note_v that_o though_o spirit_n of_o salt-peter_n will_v corrode_v silver_n yet_o if_o spirit_n of_o salt_n be_v add_v to_o it_o it_o soon_o lose_v that_o quality_n proposition_n iu._n it_o be_v very_o probable_a that_o most_o of_o the_o disease_n that_o even_o physician_n call_v new_a one_o be_v cause_v either_o chief_o or_o concurrent_o by_o subterraneal_a steam_n steam_n new_a disease_n cause_v by_o subterraneal_a steam_n by_o new_a distemper_n i_o will_v be_v understand_v to_o mean_v not_o every_o one_o that_o vary_v a_o little_a in_o symptom_n from_o the_o same_o sort_n at_o another_o time_n but_o such_o as_o at_o their_o appearance_n be_v by_o their_o symptom_n altogether_o unknown_a that_o these_o distemper_n depend_v not_o on_o any_o intemperate_a and_o manifest_a quality_n of_o the_o air_n nor_o on_o the_o influence_n of_o those_o heavenly_a body_n that_o move_v about_o we_o seem_v evident_a because_o the_o influence_n of_o the_o latter_a be_v too_o indeterminate_a and_o the_o alteration_n in_o the_o temper_n of_o the_o air_n much_o more_o frequent_a than_o the_o access_n of_o new_a distemper_n but_o from_o what_o have_v be_v say_v under_o the_o three_o proposition_n it_o appear_v that_o the_o globe_n we_o inhabit_v abound_v with_o various_a noxious_a mineral_n which_o be_v subject_a to_o various_a conflux_n conflict_n and_o dissipation_n and_o which_o by_o emit_v effluvia_fw-la may_v infect_v the_o air_n and_o cause_v new_a disease_n which_o may_v continue_v according_o as_o the_o cause_n be_v more_o or_o less_o durable_a so_o manna_n for_o these_o two_o or_o three_o age_n have_v be_v find_v on_o certain_a tree_n which_o faculty_n of_o produce_v manna_n they_o still_o retain_v yet_o have_v it_o not_o before_o vapour_n experiment_n to_o show_v that_o metal_n may_v be_v raise_v in_o the_o form_n of_o vapour_n to_o conclude_v this_o chapter_n and_o to_o render_v what_o we_o have_v teach_v concern_v mineral_n effluvia_fw-la more_o probable_a i_o shall_v add_v the_o follow_a experiment_n from_o whence_o it_o will_v appear_v that_o malleable_a metal_n may_v be_v raise_v in_o the_o form_n of_o vapour_n into_o the_o air_n and_o become_v part_n of_o fume_n or_o perhaps_o of_o invisible_a vapour_n or_o even_o of_o flame_n itself_o experiment_n i._n distil_v dantisic_n vitriol_n and_o sea_n salt_n distil_v have_v powder_v three_o pound_n of_o dantsic_n vitriol_n and_o two_o of_o sea-salt_n and_o distil_v they_o with_o a_o strong_a naked_a fire_n we_o obtain_v a_o blue_a spirit_n of_o salt_n beside_o which_o there_o rise_v a_o powder_n of_o a_o cupreous_a and_o martial_a nature_n which_o settle_v in_o the_o bottom_n of_o the_o liquor_n experiment_n ii_o salt_n english_a vitriol_n and_o sea_n salt_n the_o former_a experiment_n be_v repeat_v with_o english_a instead_o of_o dantsic_n vitriol_n we_o obtain_v a_o yellow_a spirit_n with_o a_o yellow_a powder_n which_o seem_v to_o be_v a_o crocus_n martis_n experiment_n iii_o copper_n mercury_n sublimate_n and_o copper_n we_o cast_v thin_a plate_n of_o copper_n into_o a_o retort_n upon_o a_o double_a weight_n of_o good_a mercury_n sublimate_n and_o have_v lute_v on_o the_o receiver_n by_o a_o long_a continue_a fire_n we_o obtain_v some_o run_a mercury_n and_o some_o sublimate_n which_o have_v not_o fasten_v upon_o the_o copper_n in_o the_o bottom_n of_o the_o retort_n we_o find_v a_o weighty_a brittle_a and_o resinous_a substance_n fusible_a and_o inflammable_a almost_o like_o seal_v wax_n this_o be_v beat_v and_o expose_v for_o some_o time_n to_o the_o air_n turn_v to_o a_o kind_n of_o verdigreese_v which_o give_v a_o green_a tincture_n to_o spirit_n of_o salt_n this_o be_v distil_v ad_fw-la siccitatem_fw-la several_a time_n till_o full_o impregnate_v with_o the_o spirit_n it_o be_v mix_v with_o triple_o and_o with_o a_o strong_a fire_n afford_v a_o colourless_a liquor_n like_o water_n which_o upon_o a_o addition_n of_o spirit_n of_o hartshorn_n turn_v blue_a experiment_n iu._n tin_n venetian_a sublimate_n and_o cornish_a tin_n venetian_a sublimate_n distil_v from_o cornish_a tin_n into_o a_o good_a large_a receiver_n yield_v a_o spirituous_a liquor_n which_o emit_v white_a exhalation_n upon_o a_o access_n of_o free_a air_n but_o if_o the_o orifice_n of_o the_o vessel_n be_v but_o cover_v with_o a_o piece_n of_o paper_n vipour_n air_n promote_v the_o rise_n of_o metalline_a vipour_n it_o present_o cease_v to_o emit_v those_o exhalation_n yet_o begin_v again_o when_o that_o paper_n which_o lie_v but_o light_o upon_o it_o before_o be_v take_v off_o whence_o it_o appear_v that_o the_o air_n may_v promote_v the_o rise_n of_o metalline_a vapour_n in_o the_o atmosphere_n and_o that_o metalline_a fume_n will_v ascend_v in_o the_o form_n of_o vapour_n will_v appear_v from_o the_o follow_a experiment_n viz._n have_v satiate_v aqua_fw-la fortis_fw-la with_o copper_n and_o steep_v some_o brown_a paper_n in_o it_o to_o soak_v up_o some_o of_o the_o menstruum_fw-la when_o the_o superfluous_a moisture_n be_v partly_o evaporate_v we_o lay_v some_o of_o it_o upon_o the_o hearth_n near_o a_o wood_n fire_n upon_o which_o the_o paper_n be_v scorch_v emit_v fume_n like_o smoak_n which_o rise_v up_o in_o the_o air_n as_o soon_o as_o they_o come_v to_o the_o flame_n they_o impart_v to_o it_o a_o colour_n partly_o blow_v and_o partly_o green_a as_o it_o be_v various_o mix_v with_o the_o flame_n and_o smoke_n of_o the_o wood._n chap._n xx._n suspicion_n about_o some_o hide_a quality_n of_o the_o air._n air._n latent_fw-la quality_n in_o the_o air._n beside_o the_o four_o first_o quality_n of_o the_o air_n viz._n heat_v cold_a moisture_n and_o dryness_n and_o those_o which_o philosopher_n and_o chemist_n have_v discover_v as_o gravity_n springiness_n etc._n etc._n i_o be_o apt_a to_o suspect_v that_o there_o be_v other_o latent_fw-la quality_n in_o it_o due_a to_o the_o substantial_a ingredient_n which_o it_o be_v make_v up_o of_o for_o the_o air_n we_o live_v in_o be_v not_o a_o simple_a body_n but_o a_o confuse_a aggregate_v of_o effluvium_n which_o be_v jumble_v together_o constitute_v a_o great_a mass_n of_o heterogeneous_a matter_n endue_v with_o different_a quality_n for_o from_o what_o be_v elsewhere_o deliver_v it_o appear_v that_o there_o be_v various_a effluvia_fw-la beside_o those_o that_o afford_v ordinary_a meteor_n which_o arise_v from_o body_n in_o subterraneal_a part_n several_a of_o which_o have_v no_o name_n or_o at_o lest_o none_o assign_v they_o and_o have_v several_a power_n and_o quality_n which_o we_o know_v not_o of_o beside_o the_o sun_n and_o planet_n may_v have_v influence_n here_o below_o distinct_a from_o their_o heat_n and_o light_n which_o may_v mix_v with_o the_o atmosphere_n we_o live_v in_o and_o for_o as_o much_o as_o those_o celestial_a globe_n that_o move_v about_o we_o may_v be_v endue_v with_o substance_n that_o we_o here_o know_v nothing_o of_o the_o effluvium_n which_o come_v from_o they_o may_v affect_v we_o in_o a_o different_a manner_n from_o any_o body_n we_o here_o have_v in_o our_o atmosphere_n and_o though_o the_o
of_o tartar_n be_v digest_v with_o several_a time_n its_o quantity_n of_o onion_n acquire_v a_o garlic_n smell_v expeeiment_n x._o with_o a_o inodorous_a body_n and_o another_o not_o well_o scent_v to_o produce_v a_o musky_a smell_n scent_v a_o perfume_n make_v of_o a_o inodorous_a and_o another_o body_n not_o well_o scent_v this_o we_o have_v do_v by_o cast_v small_a pearl_n into_o spirit_n of_o vitriol_n for_o whilst_o the_o menstruum_fw-la be_v dissolve_v they_o we_o can_v evident_o perceive_v a_o strong_a musky_a smell_n experiment_n xi_o with_o fix_a metal_n and_o body_n either_o inodorous_a or_o stink_a to_o produce_v strong_a and_o pleasant_a smell_v like_o those_o of_o some_o vegetable_n and_o mineral_n etc._n to_o imitate_v vegetable_a smell_v etc._n etc._n though_o gold_n be_v inodorous_a and_o aqua_fw-la regis_fw-la of_o a_o offensive_a strong_a smell_n yet_o the_o solution_n be_v precipitate_v with_o oil_n of_o tartar_n and_o the_o precipitate_v fulminate_v per_fw-la se_fw-la in_o a_o silver_n vessel_n we_o observe_v that_o when_o the_o fulmination_n be_v new_o make_v the_o steam_n be_v of_o a_o very_a pleasant_a smell_n like_o musk_n so_o that_o art_n by_o lucky_a contexture_n may_v imitate_v natural_a and_o specific_a odour_n and_o not_o only_o so_o but_o nature_n may_v endew_v several_a differ_v body_n with_o similar_v smell_v for_o in_o the_o west-indies_n there_o be_v a_o sort_n of_o seed_n which_o for_o its_o smell_n be_v term_v musk-seed_n and_o in_o muscovy_n the_o skin_n of_o musk-rat_n have_v such_o a_o kink_v of_o smell_n and_o duck_n at_o a_o certain_a season_n of_o the_o year_n if_o violent_o chase_v emit_v a_o musk_n scent_n and_o on_o the_o other_o hand_n there_o be_v a_o certain_a wood_n in_o the_o east-indies_n which_o smell_v like_o stercus_fw-la humanum_fw-la and_o i_o remember_v that_o have_v distil_v saccharum_n saturni_n with_o a_o strong_a fire_n beside_o the_o empyreumatical_a liquor_n the_o caput_fw-la mortuum_fw-la which_o 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particulis_fw-la quarum_fw-la superficicculae_fw-la scabrae_fw-la sunt_fw-la nec_fw-la facilè_fw-la lucem_fw-la extrorsum_fw-la reflectunt_fw-la so_o that_o black_a differ_v from_o white_a in_o as_o much_o as_o the_o particle_n which_o be_v reflect_v external_o by_o the_o one_o be_v deaden_v by_o the_o other_o and_o not_o reflect_v outward_a either_o because_o the_o superficies_n have_v such_o protuberant_a part_n as_o reflect_v the_o ray_n internal_o or_o be_v soft_a and_o pliable_a yield_v to_o the_o impress_n of_o those_o lucid_a part_n that_o strike_v against_o they_o so_o a_o ball_n that_o will_v fly_v back_o from_o a_o stone_n will_v scarce_o at_o all_o rebound_v from_o a_o net_n or_o mud_n though_o the_o latter_a explication_n i_o think_v the_o less_o propable_a because_o several_a body_n be_v black_a who_o surface_n be_v scarce_o of_o so_o yield_v a_o texture_n
alter_v as_o to_o yield_v a_o crystalline_a salt_n and_o a_o transparent_a colour_n but_o be_v it_o allow_v since_o adustion_n render_v some_o body_n black_a that_o that_o colour_n depend_v on_o a_o trorrify_v sulphur_n it_o may_v be_v further_o demand_v what_o give_v torrify_v sulphur_n that_o colour_n and_o it_o may_v be_v question_v what_o make_v a_o window_n half_o shut_v at_o a_o distance_n to_o appear_v black_a since_o it_o have_v no_o access_n of_o torrify_v sulphur_n upon_o that_o posture_n but_o only_o the_o ray_n of_o light_n be_v not_o so_o plentifl_o reflect_v by_o it_o as_o be_v requisite_a to_o affect_v the_o sensory_a with_o a_o more_o lively_a colour_n but_o to_o conclude_v what_o the_o chemist_n teach_v of_o blackness_n to_o i_o seem_v to_o come_v to_o no_o more_o than_o if_o in_o answer_n to_o a_o enquiry_n after_o the_o cause_n of_o salivation_n they_o shall_v tell_v we_o that_o the_o several_a kind_n of_o precipitate_v of_o gold_n and_o mercury_n and_o likewise_o of_o quicksilver_n and_o silver_n salivate_a upon_o account_n of_o the_o mercury_n that_o abound_v in_o they_o where_o we_o be_v still_o at_o a_o loss_n to_o know_v why_o mercury_n shall_v have_v that_o effect_n chap._n vii_o contain_v promiscuous_a experiment_n about_o colour_n be_v the_o three_o part_n of_o the_o experimental_a history_n of_o colour_n experiment_n i._n colour_n promiscuous_a experiment_n concern_v colour_n to_o show_v how_o much_o the_o diversity_n of_o colour_n represent_v by_o opace_fw-la body_n depend_v on_o the_o mixture_n of_o the_o ray_n of_o light_n with_o shade_n more_o or_o less_o as_o to_o quantity_n or_o as_o to_o interruption_n i_o shall_v subjoin_v the_o follow_a note_n paper_n stain_v with_o several_a colour_n place_v in_o a_o dark_a room_n who_o window_n be_v southward_o the_o beam_n of_o light_n enter_v in_o at_o a_o hole_n 3_o inches_n ½_n diameter_n the_o white_a yield_v the_o bright_a reflection_n red_a give_v a_o reflection_n strong_a than_o green_a or_o blue_n who_o colour_n be_v scarce_o discernible_a and_o of_o a_o equal_a brightness_n yellow_a reflect_v more_o light_a than_o either_o green_a or_o blue_n red_a reflect_v more_o light_a than_o purple_a and_o so_o do_v blue_a marble_n paper_n sleeked_a reflect_v the_o ray_n of_o light_a unstained_a but_o not_o so_o bright_a as_o white_a paper_n purple_a seem_v to_o reflect_v more_o light_n than_o a_o dark_a green_n in_o compound_v colour_n by_o reflection_n we_o observe_v that_o if_o the_o colour_n be_v not_o strong_a and_o somewhat_o glossy_a the_o reflect_a ray_n will_v not_o form_v a_o compound_n colour_n on_o the_o wall_n experiment_n ii_o i_o have_v often_o take_v notice_n that_o white_a linen_n will_v receive_v and_o reflect_v the_o colour_n of_o a_o red_a silk_n waistcoat_n in_o a_o light_a room_n though_o it_o be_v general_o believe_v that_o a_o dark_a room_n be_v requisite_a to_o make_v the_o colour_n of_o one_o body_n visible_a by_o reflection_n from_o another_o experiment_n iii_o colour_a sheet_n of_o paper_n hold_v betwixt_o the_o light_n and_o the_o eye_n at_o the_o hole_n which_o be_v make_v in_o a_o dark_a room_n the_o colour_n be_v each_o of_o they_o represent_v to_o the_o eye_n single_a but_o by_o place_v one_o sheet_n of_o paper_n before_o another_o the_o ray_n of_o light_n pass_v through_o the_o blue_n and_o yellow_a exhibit_v a_o dark_a yellow_n but_o a_o fine_a paper_n which_o be_v blue_a be_v make_v use_n of_o instead_o of_o the_o former_a they_o afford_v a_o good_a green_n the_o yellow_a and_o red_a represent_v a_o dark_a orange_n colour_v red._n the_o purple_a and_o red_a appear_v of_o a_o deep_a scarlet_n purple_a and_o yellow_a make_v a_o orange_a colour_n green_n and_o red_a a_o dark_a orange_n tawny_a green_n and_o purple_a make_v a_o purple_a more_o dirty_a blue_n make_v the_o purple_a deep_o and_o more_o lovely_a red_a marble_n and_o yellow_a represent_v a_o scarlet_a but_o the_o colour_n which_o be_v thus_o compound_v vary_v much_o as_o the_o colour_n of_o the_o paper_n be_v deep_a or_o more_o slight_a and_o as_o the_o paper_n differ_v in_o fineness_n experiment_n iv_o in_o the_o aforesaid_a darken_a room_n we_o place_v a_o triangular_a prismatical_a glass_n in_o a_o convenient_a posture_n and_o observe_v no_o less_o than_o four_o reflection_n and_o three_o refraction_n and_o by_o hide_v sometime_o one_o part_n of_o the_o prism_n and_o sometime_o another_o 5._o see_v plat._n 5._o fig._n 5._o we_o find_v the_o ray_n of_o light_a as_o the_o follow_a scheme_n represent_v see_v plate_n 5._o fig._n 5_o the_o explication_n of_o the_o scheme_n p._n p._n p._n a_o aequilatero-triangular_a crystalline_a prism_n of_o who_o edge_n p._n be_v place_v next_o the_o sun_n a._n b._n and_o α._fw-la β._fw-la two_o ray_n from_o the_o sun_n fall_v on_o the_o prism_n at_o b._n β._n and_o thence_o partly_o reflect_v towards_o c._n and_o γ._n and_o partly_o refract_v towards_o d._n and_o δ._n b._n c._n and_o β_n γ._n those_o reflect_a ray_n b._n d._n and_o β._n γ._o those_o refracted_a ray_n which_o be_v partly_o refract_v towards_o e._n and_o â—_o and_o there_o represent_v a_o iris_n 345_o denote_v the_o five_o consecution_n of_o colour_n red_a yellow_a green_a blue_a and_o purple_a and_o be_v partly_o reflect_v towards_o f._n and_o 3._o d._n f._n and_o γ_n 3_o those_o reflect_a ray_n which_o be_v partly_o refract_v towards_o g._n and_o η_n colourless_a and_o partly_o reflect_v towards_o h._n and_o θ._n f._n h._n and_o 3._o θ._n those_o reflect_a ray_n which_o be_v refract_v towards_o i._o and_o i._o and_o there_o represent_v another_o faint_a iris_n the_o colour_n of_o which_o be_v contrary_a to_o the_o former_a 54321._o signify_v purple_a blue_a green_a yellow_a red_a so_o the_o prism_n in_o the_o posture_n represent_v four_o rainbow_n experiment_n v._n we_o observe_v that_o in_o a_o light_a room_n the_o prismatical_a iris_n may_v be_v reflect_v without_o lose_v any_o of_o its_o colour_n from_o a_o flat_a look_a glass_n the_o surface_n of_o water_n or_o a_o concave_a looking-glass_n and_o that_o refraction_n do_v as_o little_o destroy_v their_o colour_n as_o reflection_n for_o though_o by_o a_o burning-glass_n one_o part_n of_o the_o iris_n will_v appear_v either_o beyond_o or_o on_o this_o side_n the_o other_o yet_o the_o colour_n will_v appear_v as_o vivid_n in_o the_o displace_v part_n as_o in_o the_o other_o to_o which_o i_o shall_v add_v that_o the_o most_o part_n of_o the_o prism_n be_v cover_v with_o a_o opacous_a body_n so_o that_o the_o ray_n fall_v but_o on_o a_o small_a part_n of_o it_o the_o iris_n be_v but_o little_a yet_o the_o colour_n appear_v to_o be_v the_o same_o through_o a_o microscope_n as_o to_o the_o naked_a eye_n experiment_n vi._n have_v which_o appear_v in_o a_o dark_a room_n be_v so_o dim_a that_o if_o the_o light_n of_o the_o sun_n be_v let_v in_o they_o present_o disappear_v which_o i_o experience_v by_o cast_v the_o converge_a beam_n of_o the_o sun_n upon_o the_o prisimatical_a iris_n by_o a_o concave_a speculum_fw-la and_o if_o these_o ray_n only_o cross_v the_o ray_n of_o the_o iris_n before_o they_o fall_v to_o ground_n they_o will_v likewise_o disappear_v experiment_n vii_o try_v whether_o the_o colour_n of_o opacous_a body_n will_v be_v vary_v as_o they_o be_v in_o a_o different_a position_n in_o reference_n to_o the_o eye_n or_o according_a to_o the_o nature_n of_o the_o lucid_a body_n that_o shine_v upon_o they_o we_o look_v upon_o several_a piece_n of_o paper_n by_o candle_n light_n and_o find_v that_o yellow_a be_v much_o faint_a than_o in_o the_o day_n the_o red_a be_v little_o alter_v a_o deep_a green_n seem_v to_o be_v a_o dark_a blue_n but_o be_v hold_v by_o a_o blue_n appear_v green_a and_o much_o blew_a than_o at_o the_o first_o when_o look_v upon_o by_o a_o yellow_a blue_n look_v like_o a_o deep_a purple_a purple_a be_v very_o little_o alter_v red_a look_v upon_o with_o the_o yellow_a make_v it_o appear_v like_o brown_a cap-paper_n experiment_n viii_o suspect_v the_o flame_n of_o a_o candle_n to_o be_v tinge_v yellow_a with_o its_o fuel_n we_o look_v upon_o it_o through_o a_o deep_a blue_a glass_n and_o observe_v that_o through_o that_o it_o appear_v green_a a_o colour_n which_o emerge_n from_o a_o composition_n of_o a_o obscure_a blue_a and_o a_o yellow_a and_o for_o a_o like_a reason_n at_o the_o first_o sight_n it_o be_v not_o easy_a to_o distinguish_v a_o paper_n from_o a_o light_n yellow_a paper_n and_o other_o white_a body_n reflect_v the_o ray_n of_o light_n less_o trouble_v or_o more_o sincere_a than_o other_o body_n experiment_n ix_o a_o leaf_n of_o gold_n be_v hold_v betwixt_o the_o light_n and_o the_o eye_n seem_v full_a of_o pore_n like_o a_o sieve_n and_o so_o modify_v the_o ray_n of_o light_n that_o
division_n of_o they_o experiment_n xxv_o ripe_a privet_fw-la berry_n be_v crush_v upon_o white_a paper_n stain_v it_o with_o a_o purple_a yet_o spirit_n of_o salt_n will_v turn_v it_o red_a and_o a_o solution_n of_o pot-ash_n green_a and_o so_o will_v meserion_n and_o the_o juice_n of_o pease_n from_o whence_o and_o the_o like_a experiment_n before_o premised_a it_o appear_v that_o the_o saline_n part_v of_o body_n have_v a_o considerable_a stroke_n in_o produce_v their_o colour_n experiment_n xxvi_o spirit_n of_o salt_n be_v drop_v upon_o several_a substance_n already_o red_a as_o syrup_n of_o clove-july-flower_n berry_n of_o spina_n cervina_fw-la a_o infusion_n of_o red_a rose_n brasil_n and_o several_a other_o it_o either_o make_v no_o alteration_n or_o render_v the_o red_a light_a a_o infusion_n of_o rose_n be_v turn_v into_o a_o dirty_a colour_n by_o a_o affusion_n of_o a_o solution_n of_o pot-ash_n and_o syrup_n of_o clove_n be_v render_v a_o little_a more_o incline_v to_o green_n another_o red_a infusion_n be_v advance_v into_o a_o crimson_a but_o the_o juice_n of_o buckthorn-berry_n acquire_v a_o lovely_a green_n experiment_n xxvii_o spirit_n of_o salt_n have_v a_o very_a small_a effect_n upon_o the_o juice_n of_o jasmin_n but_o spirit_n of_o urine_n turn_v it_o to_o a_o greenish_a yellow_n and_o the_o event_n be_v much_o the_o same_o when_o we_o try_v it_o with_o those_o less_o oily_a leave_n call_v snow_n drop_v which_o appear_v about_o the_o end_n of_o winter_n experiment_n xxviii_o marigold_n leave_v fresh_o mad_a and_o early_a primrose_n etc._n etc._n be_v rub_v upon_o paper_n till_o they_o colour_a it_o they_o will_v be_v turn_v red_a or_o green_n by_o alkalized_a liquor_n though_o so_o acid_n a_o salt_n as_o the_o spirit_n of_o it_o rather_o dilute_v they_o yet_o it_o almost_o destroy_v the_o colour_n of_o the_o early_a primrose_n and_o a_o alkalizate_a solution_n turn_v the_o juice_n of_o mad_a root_n red_a as_o well_o as_o the_o bruise_a root_n itself_o from_o whence_o it_o abundant_o appear_v that_o the_o effect_n of_o a_o peculiar_a salt_n upon_o the_o juice_n of_o vegetable_n depend_v on_o their_o particular_a texture_n experiment_n xxix_o a_o black-berry_n full_a ripe_a and_o another_o only_a red_a be_v rub_v upon_o a_o piece_n of_o paper_n the_o juice_n of_o the_o former_a be_v turn_v into_o a_o green_a by_o a_o lixivium_n and_o one_o much_o faint_a by_o a_o urinous_a salt_n and_o by_o a_o acid_n into_o a_o red._n but_o the_o unripe_a berry_n be_v little_o alter_v by_o the_o acid_n but_o by_o the_o other_o juice_n receive_v impression_n different_a from_o the_o former_a damask_n rose_n will_v be_v colour_v red_a by_o a_o acid_n and_o green_a by_o a_o alkaly_n but_o a_o yellow_a province_n rose_n by_o a_o solution_n of_o salt_n of_o tartar_n be_v turn_v into_o a_o green_a bluish_a tincture_n but_o a_o acid_n only_o dilute_v the_o yellowness_n of_o the_o leave_n and_o be_v i_o in_o the_o island_n of_o banda_n i_o shall_v try_v what_o effect_n these_o salt_n will_v have_v on_o the_o juice_n of_o clove_n which_o i_o be_o tell_v be_v first_o white_n then_o green_a and_o afterward_o reddish_n and_o when_o dry_v grow_v black_a but_o the_o flower_n of_o they_o be_v say_v to_o be_v of_o a_o excellent_a blue_n and_o one_o thing_n which_o deserve_v our_o notice_n be_v that_o though_o damask_n as_o well_o as_o red_a rose_n give_v a_o red_a tincture_n to_o water_n acidulate_v yet_o the_o one_o have_v a_o purgative_a and_o the_o other_o a_o bind_a quality_n and_o to_o what_o have_v be_v say_v under_o this_o experiment_n i_o shall_v add_v that_o mr._n parkinson_n tell_v we_o that_o buckthorn_n berry_n gather_v green_a and_o bruise_v into_o allum-water_n yield_v a_o yellow_a when_o they_o be_v black_a they_o yield_v a_o sap_n green_n and_o if_o they_o grow_v upon_o the_o tree_n till_o the_o middle_n of_o november_n they_o yield_v a_o purple_a colour_n and_o clusius_n of_o alaternus_n tell_v we_o that_o the_o grosser_n part_n of_o some_o plant_n differ_v in_o colour_n from_o each_o other_o for_o the_o portugal_n dye_n their_o net_n blow_v with_o a_o bark_n and_o blackish_a blue_a with_o the_o wood._n experiment_n xxx_o to_o show_v that_o a_o change_n of_o colour_n depend_v on_o a_o alteration_n of_o texture_n i_o shall_v add_v that_o the_o same_o matter_n be_v seal_v up_o in_o a_o philosophical_a egg_n it_o will_v by_o digestion_n pass_v through_o several_a degree_n of_o colour_n before_o it_o come_v to_o that_o of_o the_o noble_a elixir_n and_o that_o several_a substance_n will_v undergo_v change_n of_o colour_n by_o digestion_n be_v evident_a in_o rectify_v spirit_n of_o hartshorn_n precipitation_n of_o amalgamas_n of_o gold_n and_o mercury_n without_o addition_n where_o by_o a_o continue_a heat_n the_o silver-coloured_a amalgama_n will_v be_v turn_v into_o a_o shine_a red_a powder_n which_o effect_n be_v produce_v without_o a_o addition_n or_o substraction_n of_o matter_n by_o the_o bare_a change_n of_o texture_n experiment_n xxxi_o in_o most_o tincture_n which_o the_o chemist_n draw_v redness_n be_v the_o common_a colour_n as_o well_o as_o in_o more_o gross_a solution_n though_o the_o menstruum_n be_v colourless_a as_o with_o spirit_n of_o wine_n from_o jalap_n guajacum_fw-la amber_n and_o benzoin_n flower_n of_o brimstone_n turpentine_n etc._n etc._n and_o most_o acid_n or_o alkalizate_a salt_n will_v with_o sulphureous_a body_n produce_v a_o red_a and_o so_o will_v glass_n of_o antimony_n and_o i_o know_v a_o acid_n which_o will_v turn_v oil_n of_o turpentine_n into_o a_o red._n experiment_n xxxii_o though_o balsam_n of_o sulphur_n seem_v red_a as_o well_o as_o other_o liquor_n in_o a_o broad_a vessel_n yet_o it_o stain_v paper_n yellow_a but_o a_o tincture_n of_o cochenele_n never_o so_o much_o dilute_v will_v still_o remain_v red._n experiment_n xxxiii_o oil_n of_o turpentine_n digest_v upon_o white_a sugar_n of_o lead_n yield_v a_o red_a tincture_n experiment_n xxxiv_o if_o 5_o ounce_n of_o brimstone_n and_o sal_fw-la ammoniac_a be_v distil_v in_o a_o retort_n with_o 6_o ounce_n of_o quicklime_n in_o a_o sand-heat_a gradual_o increase_v a_o volatile_a tincture_n of_o sulphur_n will_v be_v obtain_v which_o be_v red_a though_o none_o of_o the_o ingredient_n be_v so_o yet_o if_o agitate_a when_o the_o vessel_n it_o be_v contain_v in_o be_v unstop_v it_o will_v yield_v a_o white_a fume_v and_o sometime_o it_o may_v be_v so_o draw_v that_o though_o the_o fume_n be_v white_a yet_o the_o liquor_n will_v die_v the_o finger_n black_a experiment_n xxxv_o we_o let_v a_o drop_n or_o two_o of_o oil_n of_o vitriol_n fall_v upon_o oil_n of_o aniseed_n coagulate_v and_o spread_v upon_o white_a paper_n by_o which_o there_o be_v a_o red_a colour_n produce_v with_o heat_n and_o smoke_n experiment_n xxxvi_o one_o thing_n to_o be_v observe_v in_o the_o experiment_n above_o recite_v be_v that_o though_o the_o colour_n mention_v be_v easy_o produce_v yet_o some_o of_o they_o present_o fade_v by_o the_o influence_n of_o the_o air_n or_o the_o intestine_a motion_n of_o their_o own_o part_n and_o parkison_n tell_v we_o that_o berry_n of_o that_o plant_n which_o bear_v turnsol_n a_o pigment_n well_o know_v in_o painter_n shop_n when_o they_o be_v at_o their_o full_a maturity_n yield_v a_o juice_n which_o be_v rub_v upon_o paper_n appear_v green_a but_o present_o degenerate_v into_o a_o bluish_a purple_n upon_o the_o cloth_n or_o paper_n and_o these_o be_v wet_a in_o water_n and_o wring_v forth_o will_v give_v it_o a_o claret_n colour_n and_o i_o have_v observe_v the_o red_a colour_n of_o buckthorn_n berry_n degenerate_a into_o a_o dirty_a grey_a colour_n yet_o by_o the_o mixture_n of_o a_o alkaly_n or_o a_o acid_n it_o will_v put_v on_o a_o green_a or_o red_a colour_n and_o the_o same_o success_n we_o have_v when_o we_o drop_v the_o same_o liquor_n upon_o a_o piece_n of_o glaze_v tile_n and_o i_o have_v observe_v that_o silver_n precipitate_v in_o aq._n fortis_fw-la though_o at_o the_o first_o it_o be_v white_a yet_o when_o upon_o a_o decantation_n of_o the_o liquor_n the_o superficies_n become_v expose_v to_o the_o air_n it_o present_o turn_v blackish_a and_o i_o have_v see_v a_o sort_n of_o pear_n which_o will_v give_v a_o red_a tincture_n to_o wine_n and_o it_o be_v observe_v that_o spirit_n of_o wine_n be_v keep_v upon_o white_a salt_n of_o tartar_n acquire_v a_o red_a tincture_n but_o as_o for_o the_o reason_n of_o these_o thing_n and_o also_o why_o all_o body_n burn_v in_o the_o open_a air_n almost_o be_v black_a i_o shall_v leave_v to_o pyrophilus_n to_o inquire_v experiment_n xxxvii_o spirit_n of_o salt_n pour_v on_o a_o solution_n of_o cochinele_n or_o the_o juice_n of_o black_a cherry_n render_v their_o colour_n clear_a but_o turn_v a_o infusion_n of_o brasil_n yellow_a the_o acid_n liquor_n in_o
both_o weaken_n the_o spirit_n on_o which_o it_o fall_v for_o as_o crimson_a be_v a_o red_a with_o a_o eye_n of_o blue_a so_o yellow_a be_v but_o a_o dilate_a red_a and_o therefore_o alkalizated_a salt_n will_v not_o only_o restore_v the_o infusion_n of_o cochinele_n and_o brasil_n to_o crimson_a but_o will_v turn_v the_o yellow_a juice_n of_o mad_a red_n and_o a_o infusion_n of_o brasil_n to_o a_o crimson_a and_o here_o it_o may_v be_v worth_a while_n to_o consider_v why_o blue_a and_o purple_a seem_v to_o be_v deep_a colour_n than_o red_a and_o therefore_o the_o juice_n of_o plant_n of_o either_o of_o the_o two_o former_a colour_n may_v be_v turn_v red_a by_o spirit_n of_o salt_n or_o aqua_fw-la fortis_fw-la yet_o syrup_n of_o violet_n shall_v be_v on_o the_o contrary_a turn_v green_a by_o oil_n of_o tartar_n and_o spirit_n of_o urine_n which_o be_v a_o more_o dilute_a colour_n than_o blow_v experiment_n xxxviii_o salt_n distil_v at_o a_o certain_a time_n of_o the_o operation_n yield_v red_a fume_n and_o vitriol_n though_o green_a or_o blue_a come_v over_o in_o white_a fume_n and_o the_o like_a i_o have_v observe_v in_o the_o fume_n of_o several_a other_o concretes_n and_o i_o have_v observe_v that_o even_o soot_n have_v fill_v the_o receiver_n with_o white_a fume_n yet_o neither_o spirit_n of_o nitre_n be_v red_a nor_o that_o of_o vitriol_n or_o soot_n white_a and_o to_o these_o observation_n we_o may_v add_v that_o the_o empyreumatical_a oil_n of_o wood_n be_v of_o a_o colour_n betwixt_o black_a and_o red_a and_o though_o there_o be_v so_o great_a a_o difference_n in_o the_o colour_n of_o plant_n yet_o the_o distil_a liquor_n vary_v not_o and_o it_o be_v observe_v in_o sublimation_n that_o the_o flower_n differ_v much_o in_o colour_n from_o the_o fume_n that_o compose_v they_o as_o red_a benzoin_n yield_v white_a flower_n and_o antimony_n afford_v flower_n some_o of_o they_o red_a and_o some_o grace_n and_o some_o of_o they_o pure_o white_a and_o it_o be_v the_o practice_n of_o some_o glass_n man_n to_o make_v a_o blue_a sublimate_n of_o a_o convenient_a proportion_n of_o brimstone_n sal_fw-la ammoniac_a and_o quicksilver_n and_o it_o be_v observe_v that_o orpiment_n which_o be_v a_o yellow_a substance_n yield_v a_o sublimate_n among_o which_o several_a red_a fume_n ascend_v and_o i_o have_v see_v a_o sublimate_n who_o low_a part_n be_v set_v with_o red_a particle_n which_o glitter_v pretty_o experiment_n thirty-nine_o if_o good_a spirit_n of_o urine_n be_v drop_v into_o a_o tincture_n or_o a_o infusion_n of_o the_o flower_n of_o pomegranate_n the_o red_a will_v be_v turn_v into_o a_o green_a colour_n but_o by_o spirit_n of_o sea-slat_n it_o will_v become_v come_v a_o transparent_a liquor_n which_o red_a may_v be_v ture_v into_o a_o dirty_a green_n by_o spirit_n of_o urine_n oil_n of_o tartar_n be_v drop_v into_o water_n wherein_o leave_v of_o senna_n be_v immerse_v it_o present_o appear_v red_a but_o the_o same_o will_v not_o happen_v upon_o a_o affusion_n of_o oil_n of_o vitriol_n yet_o red_a rose_n leave_v be_v put_v in_o warm_a water_n oil_n of_o vitriol_n extract_v a_o red_a tincture_n but_o oil_n of_o tartar_n will_v not_o but_o we_o observe_v that_o the_o oil_n of_o tartar_n only_o hasten_v the_o tincture_n of_o the_o senna_n since_o the_o leave_n in_o a_o night_n time_n will_v yield_v a_o tincture_n in_o cold_a water_n which_o will_v not_o be_v heighten_v by_o salt_n of_o tartar_n and_o it_o may_v be_v say_v of_o the_o red_a rose_n leave_v that_o the_o tincture_n be_v rather_o extract_v than_o produce_v by_o the_o oil_n yet_o this_o be_v observable_a that_o in_o extract_v the_o tincture_n the_o one_o will_v not_o do_v what_o the_o other_o will_v but_o i_o have_v find_v that_o aqua_fw-la fortis_fw-la will_v do_v as_o well_o as_o oil_n of_o vitriol_n if_o upon_o the_o red_a tincture_n of_o rose_n decant_v you_o drop_v spirit_n of_o urine_n and_o shake_v the_o viol_n it_o be_v contain_v in_o it_o will_v acquire_v a_o greenish_a blue_n which_o be_v observable_a since_o the_o turn_n of_o red_a into_o blue_a be_v a_o very_a unfrequent_a observation_n and_o in_o the_o passage_n of_o this_o red_a tincture_n to_o a_o blue_a if_o it_o be_v take_v as_o the_o liquor_n be_v dropp'n_a in_o it_o will_v afford_v a_o pretty_a variety_n of_o colour_n so_o as_o sometime_o to_o represent_v the_o tincture_n of_o lignum_fw-la nephriticum_fw-la and_o if_o the_o tincture_n be_v very_o high_a the_o spirit_n of_o urine_n will_v turn_v it_o to_o a_o deep_a opacous_a blue_a but_o the_o liquor_n be_v leave_v open_a two_o or_o three_o day_n both_o the_o blue_a and_o the_o red_a colour_n vanish_v the_o liquor_n be_v of_o a_o amber_n colour_n and_o have_v a_o feculent_a sediment_n of_o the_o same_o colour_n which_o seem_v to_o be_v form_v of_o the_o rose_n draw_v together_o by_o the_o acid_n and_o precipitate_v by_o the_o volatile_a salt_n of_o the_o spirit_n of_o urine_n in_o who_o room_n other_o sulphureous_a salt_n may_v be_v substitute_v and_o on_o this_o occasion_n i_o shall_v add_v that_o have_v drop_v spirit_n of_o urine_n into_o a_o infusion_n of_o gall_n it_o present_o turn_v the_o red_a liquor_n into_o a_o purple_a one_o but_o if_o the_o infusion_n of_o logwood_n be_v impregnate_v with_o acid_a spirit_n of_o salt_n it_o will_v yield_v neither_o a_o red_a nor_o a_o purple_a but_o a_o yellow_a liquor_n experiment_n xl._n to_o show_v that_o colour_n may_v be_v generate_v de_fw-la novo_fw-la and_o again_o destroy_v we_o drop_v oil_n of_o tartar_n into_o a_o solution_n of_o sublimate_n in_o water_n and_o the_o liquor_n be_v agitate_a it_o be_v turn_v into_o a_o deep_a orange_n colour_n but_o upon_o drop_v in_o some_o drop_n of_o oil_n of_o vitriol_n and_o continue_v to_o shake_v the_o glass_n strong_o the_o whole_a will_n present_o become_v transparent_a again_o in_o which_o the_o colour_n result_v from_o a_o coalition_n of_o the_o mercurial_a particle_n with_o the_o saline_a one_o and_o with_o the_o alkalizate_a particle_n of_o the_o salt_n of_o tartar_n which_o swim_v up_o and_o down_o in_o the_o oil_n but_o how_o these_o unite_n come_v to_o form_v such_o a_o substance_n as_o reflect_v such_o a_o colour_n i_o confess_v myself_o at_o a_o loss_n to_o explain_v but_o in_o confirmation_n of_o the_o reason_n i_o have_v give_v for_o the_o colour_n of_o this_o precipitate_v i_o shall_v add_v that_o have_v sublime_v together_o equal_a part_n of_o sal_fw-la ammoniac_a and_o sublimate_n and_o dissolve_v the_o ascend_a flower_n in_o water_n and_o siltre_v it_o the_o limpid_a liquor_n turn_v white_a upon_o the_o affusion_n of_o a_o alkaly_n and_o not_o yellow_a and_o not_o only_o by_o alter_v the_o texture_n of_o the_o mercury_n but_o by_o vary_v the_o precipitate_v liquor_n the_o success_n of_o the_o experiment_n will_v be_v different_a for_o if_o spirit_n of_o urine_n be_v make_v use_n of_o instead_o of_o salt_n of_o tartar_n the_o precipitate_v will_v be_v of_o a_o different_a colour_n from_o the_o former_a and_o from_o quicksilver_n itself_o without_o sublimate_n we_o may_v prepare_v a_o pricipitate_a dissoluble_a in_o water_n without_o discolour_v it_o and_o the_o colour_n of_o such_o substance_n so_o much_o depend_v on_o the_o texture_n of_o the_o part_n concur_v to_o the_o composition_n that_o though_o in_o our_o experiment_n oil_n of_o vitriol_n destroy_v the_o yellow_a colour_n yet_o by_o the_o assistance_n of_o oil_n of_o vitriol_n we_o may_v make_v a_o yellow_a precipitate_v with_o quicksilver_n and_o water_n alone_o and_o i_o the_o rather_o employ_v oil_n of_o vitriol_n in_o such_o experiment_n because_o it_o be_v not_o only_o void_a of_o colour_n but_o strong_a and_o incisive_a for_o notwithstanding_o common_a and_o undephlegm_v aqua_fw-la fortis_fw-la will_v not_o effect_v the_o same_o thing_n yet_o be_v careful_o dephlegm_v it_o will_v in_o some_o measure_n answer_v expectation_n but_o one_o thing_n to_o be_v note_v in_o this_o experiment_n be_v that_o though_o by_o drop_v in_o oil_n of_o tartar_n and_o oil_n of_o vitriol_n successive_o the_o liquor_n will_v regain_v and_o lose_v its_o yellow_a colour_n yet_o the_o proportion_n of_o the_o liquor_n grow_v less_o in_o respect_n of_o the_o successive_a additional_a drop_n the_o yellow_a colour_n will_v gradual_o appear_v more_o faint_a a_o improvement_n of_o the_o forty_o experiment_n if_o crude_a antimony_n be_v boil_v in_o a_o strong_a lixivium_n it_o will_v yield_v a_o sulphureous_a sediment_n which_o will_v settle_v in_o yellow_a flake_n in_o the_o bottom_n and_o will_v be_v more_o apt_a to_o take_v fire_n than_o the_o powder_n of_o antimony_n therefore_o consider_v that_o sulphur_n boil_v in_o a_o lixivium_n may_v be_v precipitate_v by_o rhenish_n or_o white_a wine_n and_o likewise_o that_o by_o acid_v i_o can_v precipitate_v other_o sulphureous_a
concretes_n out_o of_o lixiviate_v solvent_n such_o as_o crude_a antimony_n and_o though_o common_a sulphur_n yield_v a_o white_a precipitate_v call_v lac_n sulphuris_fw-la yet_o i_o conclude_v that_o antimony_n will_v yield_v a_o yellow_a one_o as_o well_o by_o be_v make_v by_o oil_n of_o vitriol_n as_o length_n of_o time_n wherefore_o i_o put_v a_o fresh_a solution_n of_o antimony_n into_o one_o glass_n and_o some_o of_o the_o orange_n colour_v mixture_n into_o another_o where_o by_o drop_a oil_n of_o vitriol_n into_o the_o latter_a it_o will_v become_v transparent_a whereas_o the_o same_o oil_n will_v turn_v the_o other_o clear_a solution_n into_o a_o deep_a yellow_a but_o in_o this_o experiment_n we_o be_v to_o observe_v that_o the_o solution_n of_o antimony_n must_v be_v fresh_a otherwise_o in_o winter_n it_o will_v scarce_o succeed_v reflection_n on_o the_o xl_o experiment_n compare_v with_o the_o x_o and_o xx._n though_o the_o x_o and_o xx_o experiment_n show_v how_o acid_n may_v be_v distinguish_v from_o urinous_a and_o alkalizate_a salt_n yet_o thence_o we_o can_v distinguish_v urinous_a salt_n from_o alkalous_a but_o by_o the_o precede_a experiment_n i_o be_v enable_v to_o distinguish_v lixiviate_n by_o their_o precipitate_v a_o orange_n tawny_a from_o a_o solution_n of_o sublimate_n in_o water_n whereas_o urinous_a salt_n will_v make_v it_o either_o white_a or_o milky_a so_o that_o by_o this_o experiment_n i_o can_v discover_v that_o shall_v ammoniac_a draw_v from_o a_o alkaly_n be_v but_o a_o urinous_a salt_n more_o refine_v the_o alkaly_a separate_n and_o retain_v the_o sea-salt_n mix_v with_o it_o for_o it_o will_v not_o only_o turn_v syrup_n of_o violet_n green_a and_o verdigrease_n azure_a but_o will_v precipitate_v a_o white_a substance_n from_o a_o solution_n of_o sublimate_n and_o from_o hence_o we_o may_v not_o only_o learn_v to_o conclude_v affirmative_o but_o negative_o of_o the_o nature_n of_o salt_n since_o spirit_n of_o wine_n and_o essential_a oil_n have_v either_o no_o salt_n in_o they_o or_o it_o be_v of_o a_o peculiar_a kind_n since_o they_o will_v neither_o turn_v syrup_n of_o violet_n red_a nor_o green_a nor_o a_o solution_n of_o sublimate_n white_a or_o yellow_a i_o find_v that_o spirit_n of_o oak_n though_o it_o be_v a_o chemical_a principle_n yet_o it_o will_v turn_v syrup_n of_o violet_n purple_a and_o destroy_v the_o blewness_n of_o a_o tincture_n of_o lignum_fw-la nephritium_n as_o acid_n do_v and_o will_v corrode_v coral_n like_o spirit_n of_o vinegar_n but_o when_o the_o acid_n part_n of_o this_o spirit_n be_v separate_v from_o the_o other_o it_o will_v have_v no_o more_o effect_n upon_o any_o of_o those_o liquor_n as_o spirit_n of_o wine_n or_o essential_a oil_n and_o by_o this_o method_n we_o may_v discover_v the_o nature_n of_o most_o salt_n produce_v either_o by_o art_n or_o nature_n and_o by_o the_o same_o method_n here_o lay_v down_o i_o have_v observe_v several_a liquor_n which_o though_o run_v per_fw-la deliquium_fw-la will_v have_v no_o other_o effect_n than_o spirit_n of_o wine_n and_o i_o know_v how_o to_o make_v a_o strong_a saline_a body_n which_o will_v neither_o work_n upon_o syrup_n of_o violet_n or_o a_o solution_n of_o sublimate_n and_o now_o to_o what_o i_o have_v say_v it_o may_v be_v seasonable_a to_o add_v that_o the_o effect_n of_o salt_n upon_o a_o solution_n of_o sublimate_n depend_v on_o the_o peculiar_a texture_n not_o only_o of_o the_o solution_n but_o of_o the_o body_n by_o which_o it_o be_v precipitate_v for_o a_o solution_n of_o gold_n in_o aqua_fw-la regius_fw-la will_v yield_v a_o yellow_a precipitate_v whether_o oil_n of_o tartar_n spirit_n of_o urine_n or_o sal_fw-la ammoniac_a be_v add_v to_o it_o yet_o oil_n of_o vitriol_n which_o precipitate_v a_o solution_n of_o silver_n in_o aqua_fw-la fortis_fw-la will_v have_v no_o such_o effect_n and_o the_o crystal_n of_o silver_n dissolve_v will_v yield_v a_o white_a precipitate_v whether_o a_o alkaly_n or_o a_o acid._n be_v drop_v into_o the_o solution_n yet_o shall_v ammoniac_a will_v not_o produce_v the_o like_a effect_n so_o that_o the_o superfluous_a moisture_n be_v evaporate_v the_o metalline_a corpuseles_o with_o the_o saline_a one_o that_o have_v imbibe_v they_o coagulate_v into_o salt_n as_o such_o solution_n usual_o do_v when_o the_o metal_n have_v be_v precipitate_v experiment_n xli_o a_o azure_a solution_n of_o copper_n in_o spirit_n of_o urine_n be_v shake_v with_o oil_n of_o vitriol_n will_v become_v clear_a as_o water_n and_o though_o aqua_fw-la fortis_fw-la usual_o extract_v a_o blue_n greenish_a solution_n from_o french_a verdigrease_n yet_o be_v drop_v into_o a_o solution_n of_o it_o in_o water_n it_o almost_o render_v it_o colourless_a but_o upon_o a_o affusion_n of_o oil_n of_o tartar_n or_o spirit_n of_o urine_n it_o will_v disclose_v a_o colour_n somewhat_o different_a from_o the_o solution_n of_o verdigrease_n itself_o experiment_n xlii_o the_o dry_a calx_fw-la remain_v after_o a_o evaporation_n of_o a_o solution_n of_o quicksilver_n in_o aq._n fortis_fw-la give_v a_o yellow_a tincture_n but_o quicksilver_n be_v put_v into_o a_o retort_n with_o four_o time_n its_o weight_n of_o oil_n of_o vitriol_n and_o the_o saline_n menstruum_fw-la be_v draw_v off_o in_o a_o sand-heat_n till_o a_o dry_a calx_fw-la remain_v in_o the_o bottom_n though_o this_o calx_fw-la be_v of_o a_o white_a colour_n it_o will_v pass_v through_o a_o milky_a colour_n to_o a_o yellow_a upon_o a_o affusion_n of_o water_n and_o beguinus_n tyr._n chym._n lib._n 2._o cap._n 13._o prepare_v turbith_n mineral_n which_o he_o call_v mercurius_n praecipitatus_fw-la optimus_fw-la by_o digest_v and_o then_o two_o or_o three_o time_n cohobate_v one_o part_n of_o quicksilver_n with_o two_o of_o oil_n of_o sulphur_n and_o by_o frequent_a ablution_n in_o hot_a distil_a water_n etc._n etc._n but_o though_o this_o yellow_a of_o we_o be_v a_o much_o fine_a than_o any_o in_o the_o painter_n shop_n yet_o it_o be_v too_o dear_a for_o ordinary_a use_n be_v we_o certain_a it_o will_v agree_v with_o oil_a colour_n from_o whence_o it_o appear_v that_o a_o menstruum_fw-la which_o be_v devoid_a of_o colour_n may_v produce_v a_o colour_n be_v mix_v with_o a_o white_a calx_fw-la experiment_n xliii_o to_o show_v that_o a_o colour_n may_v be_v produce_v by_o a_o liquor_n that_o have_v neither_o colour_n nor_o saline_a part_n we_o pour_v water_n on_o a_o gray_a calx_fw-la of_o vitriol_n and_o though_o at_o the_o first_o the_o mixture_n be_v of_o a_o muddy_a colour_n yet_o be_v shut_v up_o in_o a_o viol_n for_o some_o day_n the_o calx_fw-la be_v partly_o dissolve_v and_o shoot_v into_o vitriol_n give_v the_o water_n a_o vitriolate_a colour_n and_o so_o it_o do_v to_o fresh_a water_n pour_v on_o the_o calx_fw-la when_o the_o tinged_a liquor_n be_v decant_v experiment_n xliv_o by_o drop_v a_o few_o drop_n of_o a_o tincture_n of_o cochinele_n or_o brazil_n into_o water_n it_o will_v acquire_v a_o pink_a colour_n from_o which_o by_o successive_a addition_n it_o will_v pass_v from_o that_o to_o a_o fine_a red_a and_o from_o that_o to_o a_o crimson_a and_o after_o that_o to_o a_o opace_fw-la red_n and_o several_a intermediate_v colour_n may_v be_v perceive_v in_o its_o passage_n from_o one_o colour_n to_o another_o but_o these_o variation_n will_v be_v more_o conspicuous_a if_o we_o make_v use_v of_o cylindrical_a pipe_n instead_o of_o viol_n and_o i_o have_v observe_v that_o a_o tincture_n of_o brazil_n be_v put_v into_o a_o viol_n that_o in_o the_o body_n of_o it_o appear_v blue_a but_o that_o in_o the_o neck_n which_o the_o ray_n of_o light_n traject_v more_o plentiful_o appear_v green_a and_o i_o have_v a_o piece_n of_o glass_n which_o be_v hold_v betwixt_o the_o eye_n and_o the_o light_n seem_v clear_a and_o when_o the_o eye_n be_v place_v betwixt_o it_o and_o the_o light_n it_o appear_v slight_o discolour_a yet_o be_v apply_v to_o the_o glass_n it_o be_v knock_v off_o it_o appear_v as_o green_a as_o grass_n and_o i_o have_v have_v bottle_n which_o though_o they_o be_v make_v of_o the_o same_o material_n with_o the_o stopple_v be_v nevertheless_o different_a in_o colour_n and_o i_o have_v a_o flat_a glass_n which_o obvert_v to_o the_o eye_n flat_a appear_v like_o ordinary_a window_n glass_n but_o if_o the_o edge_n of_o it_o be_v obverl_v to_o my_o eye_n in_o a_o convenient_a posture_n it_o will_v appear_v like_o a_o emerald_n and_o i_o have_v have_v a_o certain_a pigment_n which_o if_o it_o lay_v thick_a upon_o a_o piece_n of_o paper_n will_v appear_v to_o be_v of_o a_o crimson_a but_o be_v spread_v thin_a on_o the_o paper_n it_o will_v seem_v green_a and_o i_o have_v likewise_o observe_v that_o that_o blue_a substance_n call_v litmase_v be_v dissolve_v in_o water_n give_v it_o a_o tincture_n betwixt_o crimson_n and_o purple_a yet_o it_o stain_v paper_a blue_n
again_o when_o the_o internal_a air_n be_v rarify_v within_o half_a a_o inch_n of_o the_o top_n and_o then_o the_o apex_n be_v seal_v up_o it_o be_v place_v in_o snow_n and_o salt_n yet_o the_o air_n in_o the_o top_n have_v its_o spring_n so_o weaken_v by_o refrigeration_n that_o it_o be_v not_o able_a to_o depress_v the_o water_n though_o as_o soon_o as_o the_o apex_n be_v break_v off_o it_o subsided_a several_a inch_n the_o external_a air_n press_v upon_o it_o the_o experiment_n be_v a_o three_o time_n reiterated_a with_o 3_o ½_n of_o air_n in_o the_o pipe_n when_o the_o water_n in_o the_o vial_n be_v in_o some_o measure_n freeze_v it_o be_v able_a to_o expand_v itself_o a_o little_a but_o when_o the_o apex_n be_v break_v off_o the_o external_n air_n depress_v the_o surface_n of_o the_o water_n two_o inch_n but_o be_v remove_v into_o a_o warm_a room_n it_o ascend_v above_o a_o inch_n high_o than_o the_o uppermost_a level_n have_v put_v so_o much_o water_n into_o a_o vessel_n 6._o see_v plate_n 1_o fig._n 6._o such_o as_o plate_n 1_o fig._n 6._o delineates_n as_o be_v able_a to_o fill_v almost_o the_o whole_a tube_n we_o cause_v a_o mixture_n of_o snow_n and_o salt_n to_o be_v place_v about_o the_o ball_n of_o it_o yet_o we_o perceive_v not_o the_o water_n in_o the_o least_o to_o rise_v but_o if_o at_o all_o it_o may_v well_o be_v ascribe_v to_o the_o the_o intumescence_n of_o some_o airy_a part_n lodge_v in_o the_o pore_n of_o the_o water_n but_o the_o apex_n of_o the_o tube_n be_v break_v off_o under_o water_n the_o external_n air_n force_v the_o water_n several_a inch_n up_o into_o the_o cavity_n of_o the_o pipe_n another_o experiment_n we_o make_v with_o the_o follow_a vessel_n see_v plate_n 1_o fig._n 7_o the_o stem_n of_o this_o be_v no_o thick_a than_o a_o raven_n quill_n though_o several_a inch_n long_o 7._o see_v plate_n 1_o fig._n 7._o and_o the_o ball_n be_v about_o as_o big_a as_o a_o nutmeg_n we_o drop_v a_o few_o drop_n of_o water_n into_o the_o stem_n which_o be_v suspend_v there_o betray_v very_o slight_a change_n in_o the_o rarefaction_n or_o condensation_n of_o the_o internal_a air._n watch_v therefore_o when_o the_o air_n within_o have_v raise_v the_o bubble_n up_o to_o the_o top_n of_o the_o stem_n we_o immediate_o seal_v it_o up_o and_o observe_v that_o though_o the_o seal_a glass_n be_v place_v in_o a_o mixture_n of_o snow_n and_o salt_n the_o bubble_n do_v not_o in_o the_o least_o subside_n but_o if_o the_o apex_n of_o the_o stem_n be_v break_v off_o the_o bubble_n of_o water_n will_v be_v sometime_o depress_v so_o low_o as_o to_o fall_v into_o the_o ball_n of_o the_o weatherglass_n and_o what_o be_v further_o remarkable_a be_v that_o when_o the_o liquor_n be_v descend_v if_o the_o end_n of_o the_o tube_n be_v seal_v up_o the_o water_n will_v immediate_o stop_v at_o the_o place_n it_o rest_v at_o when_o the_o pressure_n of_o the_o atmosphere_n be_v take_v off_o where_o it_o will_v continue_v till_o the_o stem_n be_v break_v open_a again_o and_o then_o the_o water_n will_v be_v further_o depress_v as_o the_o weight_n of_o the_o atmosphere_n be_v able_a to_o overpower_v the_o resistance_n make_v by_o the_o internal_a air._n have_v make_v use_n of_o such_o a_o vessel_n as_o fig._n 7._o plate_n 1._o represent_v and_o convey_v a_o pretty_a quantity_n of_o water_n into_o both_o the_o leg_n 7._o see_v plate_n 1_o fig._n 7._o we_o seal_v up_o the_o end_n of_o the_o bend_a stem_n leave_v so_o much_o air_n above_o it_o as_o we_o think_v convenient_a which_o be_v do_v we_o place_v the_o ball_n of_o it_o in_o a_o frame_n in_o which_o the_o tube_n hang_v down_o we_o can_v cover_v the_o round_a ball_n with_o snow_n and_o salt_n upon_o which_o the_o air_n in_o the_o stem_n be_v able_a to_o expand_v itself_o so_o far_o that_o the_o water_n in_o the_o long_a leg_n be_v raise_v the_o length_n of_o a_o barleycorn_n high_o than_o before_o and_o depress_v as_o much_o in_o the_o other_o but_o when_o the_o end_n of_o the_o stem_n be_v break_v open_a the_o water_n be_v raise_v 2_o ¼_n inch_n in_o the_o long_a leg_n and_o depress_v so_o low_o in_o the_o short_a that_o several_a bubble_n rise_v into_o the_o cavity_n of_o the_o ball._n in_o which_o experiment_n it_o can_v be_v suppose_v that_o the_o weight_n of_o the_o water_n in_o the_o short_a leg_n can_v be_v able_a to_o raise_v the_o water_n in_o the_o other_o except_o by_o virtue_n of_o its_o spring_n which_o be_v but_o small_a answerable_a to_o the_o quantity_n of_o of_o it_o it_o can_v be_v expect_v that_o it_o shall_v have_v any_o considerable_a effect_n upon_o the_o air_n in_o the_o other_o leg_n though_o its_o spring_n be_v in_o some_o measure_n weaken_v by_o cold._n a_o explication_n of_o the_o figure_n in_o the_o first_o plate_n fig._n 1._o p._n 12._o a._n the_o ball_n or_o egg._n b_o c._n the_o stem_n d._n the_o little_a aqueous_a cylinder_n fig._n 2._o the_o open_a weatherglass_n mention_v p._n 16_o 22._o fig._n 3._o the_o seal_a weatherglass_n or_o thermoscope_n mention_v p._n 16._o fig._n 4._o the_o barometer_n or_o mercurial_a standard_n place_v in_o a_o frame_n b_o b._n mention_v p._n 17._o fig._n 5._o a_o instrument_n mention_v p._n 34._o a._n the_o vial._n b_o c._n the_o pipe_n cement_v into_o the_o neck_n of_o the_o vial_n open_a at_o c_o and_o seal_v at_o b._n fig._n 6._o p._n 35._o a._n the_o bolt-head_n b._n the_o small_a stem_n b_o c._n the_o cylinder_n of_o water_n enclose_v fig._n 7._o p._n 36._o chap._n v._o the_o experimental_a history_n of_o cold_a begin_v title_n i._o experiment_n concern_v body_n capable_a of_o freeze_v other_o before_o we_o proceed_v to_o the_o natural_a history_n of_o cold_a it_o perhaps_o may_v be_v necessary_a to_o consider_v what_o body_n be_v capable_a of_o retain_v such_o quality_n and_o what_o be_v not_o but_o that_o be_v a_o consideration_n not_o so_o necessary_a to_o our_o present_a purpose_n which_o be_v only_o to_o set_v down_o what_o observation_n we_o have_v make_v in_o body_n subject_a to_o be_v freeze_v i_o shall_v only_o in_o short_a take_v notice_n that_o most_o body_n except_o fire_n be_v susceptible_a of_o actual_a cold_a and_o it_o be_v a_o question_n whether_o even_o that_o be_v not_o rather_o a_o state_n of_o matter_n in_o such_o a_o peculiar_a motion_n than_o a_o distinct_a and_o particular_a species_n of_o natural_a body_n since_o even_o gunpowder_n and_o spirit_n of_o wine_n before_o they_o be_v set_v on_o fire_n by_o some_o other_o body_n be_v actual_o cold._a but_o to_o proceed_v to_o what_o observation_n relate_v to_o our_o title_n other_o experiment_n of_o body_n capable_a of_o freeze_v other_o 1._o body_n cold_a enough_o to_o freeze_v other_o be_v very_o few_o here_o in_o england_n snow_n and_o salt_n mix_v be_v most_o remarkable_a which_o cool_a the_o liquor_n contain_v in_o those_o vessel_n which_o be_v close_v up_o in_o such_o mixture_n 2._o snow_n alone_o will_v not_o freeze_v water_n as_o a_o mixture_n of_o it_o and_o salt_n do_v and_o though_o water_v pour_v betwixt_o the_o interstice_n of_o snow_n or_o ice_n freeze_v yet_o there_o be_v a_o great_a disparity_n betwixt_o expose_v it_o to_o the_o air_n and_o keep_v it_o up_o in_o vessel_n and_o though_o it_o be_v freeze_v when_o cover_v with_o snow_n in_o a_o bottle_n all_o night_n yet_o that_o may_v proceed_v from_o the_o coldness_n of_o the_o air_n as_o well_o as_o the_o influence_n of_o the_o snow_n 3._o if_o nitre_n alum_n vitriol_n salarmoniack_a or_o sugar_n be_v mix_v in_o due_a proportion_n with_o snow_n they_o will_v enable_v it_o to_o freeze_v though_o not_o so_o intense_o as_o common_a salt_n 4._o spirit_n of_o salt_n be_v shake_v together_o with_o snow_n in_o the_o vial_n they_o cause_v a_o dew_n which_o be_v gather_v on_o the_o outside_n the_o glass_n to_o be_v freeze_v though_o the_o mixture_n within_o be_v not_o and_o oil_n of_o vitriol_n mix_v with_o snow_n in_o a_o thin_a vial_n have_v the_o same_o effect_v only_o more_o intense_o 5._o but_o not_o only_o these_o acid_n spirit_n have_v these_o effect_n on_o the_o moisture_n of_o the_o air_n condense_v on_o the_o outside_n the_o glass_n but_o likewise_o spirit_n of_o nitre_n spirit_n of_o vinegar_n and_o spirit_n of_o sugar_n the_o former_a of_o these_o three_o be_v very_o powerful_a though_o the_o latter_a be_v not_o so_o strong_o frigorifick_a 6._o spirit_n of_o urine_n mix_v with_o snow_n in_o a_o vial_n freeze_v the_o external_n moisture_n weak_o but_o spirit_n of_o salarmoniack_a draw_v from_o quicklime_n do_v it_o powerful_o 7._o spirit_n of_o urine_n and_o oil_n of_o vitriol_n pour_v upon_o snow_n freeze_v moderate_o 8._o sal_fw-la gem_n with_o a_o
convenient_a for_o the_o more_o commodious_a discern_v of_o the_o phaenomena_n of_o this_o experiment_n to_o try_v it_o in_o a_o dark_a place_n and_o fourthly_a it_o be_v convenient_a to_o advertise_v that_o the_o sulphur_n frequent_o so_o obscure_v the_o glass_n with_o its_o fume_n which_o partly_o stick_v to_o it_o that_o sometime_o it_o be_v very_o difficult_a to_o discern_v what_o happen_v within_o the_o glass_n five_o it_o be_v requisite_a the_o heat_n of_o the_o iron_n shall_v be_v considerable_a that_o the_o flame_n of_o the_o sulphur_n may_v be_v more_o last_v the_o flame_a of_o it_o depend_v on_o the_o heat_n of_o the_o iron_n and_o not_o the_o force_n of_o its_o own_o flame_n experiment_n iii_o a_o very_a volatile_a and_o saline_a pierce_a liquor_n be_v drop_v upon_o file_n of_o steel_n the_o mixture_n grow_v hot_a and_o emit_v out_o of_o the_o vial_n it_o be_v contain_v in_o very_o fetid_v steam_n which_o will_v kindle_v at_o the_o flame_n of_o a_o candle_n and_o continue_v to_o burn_v a_o good_a while_n where_o we_o convey_v it_o into_o our_o receiver_n and_o upon_o the_o first_o exsuction_n of_o air_n it_o flame_v brisk_a than_o before_o and_o likewise_o upon_o the_o second_o and_o three_o but_o after_o it_o go_v out_o it_o will_v not_o be_v kindle_v again_o though_o the_o air_n be_v let_v in_o upon_o it_o experiment_n iu._n spirit_n of_o wine_n be_v impregnate_v with_o a_o mineral_n which_o tinge_v its_o flame_n i_o convey_v it_o into_o the_o receiver_n in_o a_o small_a glass-lamp_n with_o a_o slender_a wick_n and_o observe_v that_o in_o half_a a_o minute_n after_o the_o pump_n be_v ply_v the_o flame_n be_v extinguish_v but_o let_v air_n in_o and_o out_o as_o occasion_v require_v i_o observe_v that_o when_o the_o flame_n begin_v to_o decay_v the_o turn-key_n be_v successive_o draw_v almost_o out_o the_o flame_n last_v a_o minute_n and_o a_o half_a and_o sometime_o long_o the_o turn-key_n be_v take_v out_o in_o the_o beginning_n it_o last_v two_o minute_n or_o better_o a_o pipe_n be_v bed_v in_o the_o cement_n at_o the_o bottom_n of_o the_o glass_n and_o have_v at_o each_o end_n a_o open_a orifice_n almost_o of_o the_o bigness_n of_o that_o which_o the_o turn-key_n usual_o fill_v the_o flame_n burn_v very_o well_o and_o will_v have_v continue_v long_o than_o it_o do_v if_o we_o will_v have_v permit_v it_o the_o orifice_n at_o the_o top_n be_v stop_v the_o low_a be_v leave_v open_a yet_o the_o flame_n begin_v to_o decay_v but_o air_n be_v blow_v in_o with_o a_o pair_n of_o bellows_o it_o be_v present_o refresh_v again_o yet_o in_o a_o minute_n after_o it_o be_v quite_o extinguish_v experiment_n v._n water_n flame_n preserve_v under_o water_n though_o it_o be_v teach_v that_o naptha_n and_o camphire_n will_v burn_v under_o water_n yet_o i_o can_v never_o find_v that_o they_o will_v but_o three_o ounce_n of_o gunpowder_n a_o drachm_n of_o well_o burn_a charcoal_n good_a sulphur_n half_a a_o drachm_n of_o choice_n salt-petre_n near_o a_o drachm_n and_o a_o half_a be_v all_o powder_a and_o mix_v together_o a_o quill_n or_o a_o tobacco-pipe_n stop_v at_o one_o end_n be_v fill_v with_o this_o mixture_n and_o kindle_v in_o the_o air_n will_v burn_v till_o it_o be_v whole_o consume_v under_o water_n the_o force_n of_o the_o flame_n keep_v the_o water_n from_o break_v in_o upon_o it_o at_o the_o open_a end_n in_o which_o experiment_n flame_n seem_v to_o be_v continue_v without_o air_n there_o be_v no_o air_n to_o preserve_v it_o under_o water_n but_o what_o may_v be_v lodge_v in_o the_o pore_n of_o the_o water_n except_o some_o moist_a particle_n betwixt_o the_o particle_n of_o the_o nitre_n in_o favour_n of_o the_o necessity_n of_o air_n to_o preserve_v flame_n may_v be_v suppose_v to_o be_v rarify_v and_o form_n air_n for_o a_o time_n as_o the_o rarefy_v exhalation_n which_o flow_v out_o of_o a_o aeolipile_n which_o be_v not_o true_a and_o permanent_a air_n but_o present_o return_v to_o water_n again_o experiment_n vi._n vacuo_fw-la of_o the_o flame_a of_o a_o metal_n in_o vacuo_fw-la have_v place_v the_o piece_n of_o iron_n so_o often_o make_v use_n of_o in_o our_o receiver_n we_o design_v to_o let_v a_o parcel_n of_o sulphur_n fall_v upon_o it_o but_o when_o we_o go_v to_o drop_v the_o sulphur_n down_o by_o accident_n it_o fall_v on_o one_o side_n the_o iron_n and_o whilst_o we_o be_v consider_v what_o to_o do_v we_o discern_v a_o a_o blue_a flame_n in_o the_o middle_n of_o the_o glass_n which_o continue_v much_o long_o than_o that_o of_o ordinary_a sulphur_n and_o when_o we_o open_v the_o receiver_n we_o find_v that_o it_o be_v afford_v by_o a_o metalline_a substance_n which_o lie_v melt_v in_o the_o middle_n of_o the_o concave_a superficies_n of_o the_o iron_n be_v a_o composition_n of_o lead_n and_o tin_n but_o though_o these_o metal_n mix_v so_o open_v the_o body_n of_o each_o other_o as_o to_o yield_v a_o sulphureous_a fuel_n for_o flame_n in_o vacuo_fw-la yet_o in_o the_o open_a air_n they_o will_v not_o the_o iii_o title_n of_o the_o difficult_a propagation_n of_o actual_a flame_n in_o vacuo_fw-la boyliano_fw-it experiment_n i._n have_v kindle_v some_o sulphur_n which_o be_v of_o a_o peculiar_a sort_n upon_o the_o iron_n so_o often_o mention_v i_o let_v down_o a_o piece_n of_o spunk_n upon_o it_o when_o the_o receiver_n be_v exhaust_v and_o by_o be_v contiguous_a to_o the_o flame_n it_o be_v turn_v into_o a_o substance_n as_o black_a and_o brittle_a as_o tinder_n and_o dispose_v to_o kindle_v when_o touch_v with_o fire_n experiment_n ii_o another_o parcel_n of_o the_o same_o sulphur_n be_v kindle_v in_o vacuo_fw-la boyliano_fw-it camphire_n though_o in_o the_o open_a air_n dispose_v to_o draw_v the_o flame_n of_o sulphur_n yet_o it_o be_v not_o kindle_v by_o hang_v in_o the_o flame_n of_o it_o and_o a_o match_n be_v partly_o dip_v in_o sulphur_n and_o let_v down_o upon_o the_o hot_a iron_n burn_v as_o far_o as_o the_o sulphur_n reach_v but_o no_o further_o experiment_n iii_o and_o iu_o have_v place_v a_o piece_n of_o paper_n upon_o the_o plate_n of_o our_o pump_n and_o whelm_v over_o it_o a_o very_a clear_a and_o thin_a receiver_n we_o lay_v a_o train_n of_o gunpowder_n upon_o the_o paper_n and_o observe_v that_o though_o by_o a_o good_a burning-glass_n several_a grain_n will_v be_v explode_v yet_o those_o will_v not_o kindle_v those_o that_o be_v contiguous_a to_o they_o the_o propagation_n of_o flame_n so_o much_o depend_v on_o the_o free_a access_n of_o air._n and_o to_o confirm_v this_o i_o shall_v add_v that_o a_o little_a instrument_n make_v to_o try_v gunpowder_n be_v charge_v and_o prime_v and_o suspend_v in_o vacuo_fw-la though_o by_o the_o help_n of_o a_o burning-glass_n the_o prime_a will_v be_v explode_v yet_o that_o will_v not_o kindle_v the_o powder_n contain_v in_o the_o box_n but_o when_o the_o exhaust_a air_n be_v let_v in_o again_o and_o the_o pan_n new_o prime_v though_o the_o receiver_n be_v shut_v it_o will_v in_o that_o close_a air_n go_v off_o ready_o and_o also_o in_o the_o open_a air._n experiment_n v._n gunpowder_n be_v put_v into_o two_o bubble_n one_o of_o which_o be_v exhaust_v and_o the_o other_o not_o they_o be_v place_v upon_o live-coal_n upon_o which_o when_o they_o have_v stand_v a_o while_n they_o where_o both_o burst_n in_o piece_n but_o without_o the_o appearance_n of_o any_o flame_n which_o effect_n seem_v to_o depend_v on_o this_o viz._n that_o the_o heat_n of_o the_o coal_n act_v not_o only_o on_o a_o few_o grain_n of_o powder_n at_o once_o but_o upon_o the_o whole_a area_n so_o that_o every_o particle_n be_v equal_o act_v on_o as_o to_o sense_n they_o be_v explode_v at_o the_o same_o time_n so_o the_o focus_n of_o a_o burning-glass_n act_v uniform_o on_o aurum_fw-la fulminans_fw-la cause_v it_o to_o explode_v at_o once_o but_o it_o may_v be_v so_o order_v that_o the_o focus_n not_o sufficient_o warm_v one_o part_n a_o partial_a explosion_n will_v only_o ensue_v chap._n xviii_o new_a experiment_n about_o the_o relation_n betwixt_o air_n and_o the_o flamma_n vitalis_n of_o animal_n experiment_n i._n air._n animal_n include_v in_o receiver_n with_o flame_n and_o air._n rectify_a spirit_n of_o wine_n contain_v in_o a_o glass-lamp_n with_o a_o thin_a wick_n and_o at_o the_o same_o time_n a_o small_a green-finch_n be_v both_o convey_v into_o a_o receiver_n eighteen_o inch_n high_a and_o which_o be_v large_a enough_o to_o contain_v about_o twenty_o pint_n of_o water_n the_o flame_n of_o the_o lamp_n be_v extinguish_v at_o the_o end_n of_o two_o minute_n but_o the_o bird_n be_v brisk_a at_o the_o end_n of_o the_o three_o minute_n be_v take_v out_o and_o when_o the_o bird_n recover_v again_o the_o experiment_n be_v repeat_v
of_o stuff_n be_v choir_n drain_v of_o its_o ore_n and_o lay_v on_o a_o heap_n in_o the_o air_n in_o thirty_o year_n it_o afford_v metal_n again_o and_o the_o same_o gentleman_n tell_v i_o that_o have_v cause_v the_o water_n which_o wash_v the_o earth_n away_o from_o the_o ore_n to_o lay_v down_o that_o earth_n by_o stop_v the_o current_n of_o it_o till_o its_o own_o weight_n make_v it_o subside_o that_o earth_n be_v twelve_o year_n expose_v to_o the_o air_n yield_v a_o good_a quantity_n of_o metal_n and_o relation_n agreeable_a to_o these_o i_o have_v receive_v from_o another_o lead_n of_o the_o growth_n of_o lead_n it_o have_v be_v observe_v that_o lead_v over_o clear_v of_o its_o metal_n and_o lay_v in_o heap_n for_o some_o year_n yield_v metal_n a_o second_o time_n and_o j._n gerhard_n in_o decade_n questionum_fw-la p._n m._n 22._o say_v fessularum_fw-la mons_fw-la in_o hetruria_n florentiae_fw-la civitati_fw-la imminens_fw-la lapides_fw-la plumbarios_fw-la habet_fw-la qui_fw-la si_fw-la excidantur_fw-la brevi_fw-la temporis_fw-la spatio_fw-la novis_fw-la incrementis_fw-la instaurantur_fw-la and_o agricola_n speak_v of_o the_o growth_n of_o mine_n in_o general_a testify_v the_o same_o but_o i_o be_o tell_v that_o this_o happen_v not_o in_o all_o mine_n and_o though_o it_o be_v believe_v that_o the_o reason_n why_o the_o passage_n into_o some_o mine_n grow_v narrow_a be_v to_o be_v attribute_v to_o the_o growth_n of_o the_o metal_n yet_o i_o be_o apt_a to_o believe_v that_o it_o may_v be_v cause_v by_o the_o powerful_a expansion_n of_o some_o freeze_a water_n in_o the_o earth_n that_o encompass_n those_o passage_n and_o whereas_o it_o be_v urge_v as_o a_o argument_n of_o the_o growth_n of_o metal_n that_o lead_n increase_v its_o weight_n by_o be_v expose_v to_o the_o air_n on_o the_o top_n of_o church_n yet_o i_o be_o incline_v to_o believe_v that_o it_o rather_o proceed_v from_o a_o ceruse_n form_v by_o corrosive_a part_n unite_n with_o the_o part_n of_o the_o corrode_v metal_n and_o chief_o for_o this_o reason_n viz._n because_o i_o have_v observe_v that_o the_o wood_n which_o lie_v about_o that_o lead_n abound_v with_o a_o acid_n spirit_n capable_a of_o corrode_a lead_n and_o that_o when_o they_o have_v be_v long_o expose_v to_o this_o acid_n a_o white_a lead_n may_v be_v scrape_v off_o better_a than_o the_o common_a ceruse_n and_o this_o be_v find_v on_o that_o side_n the_o lead_n which_o be_v next_o the_o wood_n and_o not_o on_o that_o expose_v to_o the_o outward_a air._n and_o i_o have_v observe_v that_o even_o alabaster_n and_o white_a marble_n will_v yield_v a_o acid_n spirit_n so_o that_o we_o question_v whether_o lead_v fix_v to_o the_o foot_n of_o statue_n may_v not_o by_o the_o help_n of_o that_o acquire_v a_o great_a bulk_n and_o increase_v of_o weight_n iron_n of_o the_o growth_n of_o iron_n we_o be_v tell_v not_o only_o by_o pliny_n and_o srabo_n but_o fallopius_n and_o caessalpinus_n that_o in_o the_o island_n of_o elva_n not_o far_o from_o the_o coast_n of_o tuscany_n iron_n have_v be_v observe_v to_o grow_v and_o agricola_n atte_v the_o like_a to_o be_v observe_v in_o germany_n and_o johan_n gerherd_n tell_v we_o that_o he_o be_v inform_v that_o not_o far_o from_o amberga_n the_o ore_n expose_v to_o the_o air_n for_o some_o time_n in_o heap_n require_v metalline_a part_n silver_n of_o the_o growth_n of_o silver_n i_o have_v be_v tell_v that_o silver_n grow_v in_o the_o form_n of_o vegetable_n and_o in_o a_o voyage_n to_o pern_n i_o find_v the_o follow_a relation_n viz._n that_o in_o the_o mine_n of_o potosi_n it_o be_v observe_v that_o earth_n that_o be_v dug_n out_o of_o the_o grooves_n and_o shaft_n and_o throw_v aside_o have_v such_o a_o propensity_n to_o the_o production_n of_o metal_n that_o after_o some_o year_n it_o will_v yield_v metal_n gold_n of_o the_o growth_n of_o gold_n though_o there_o be_v no_o gold_n to_o be_v find_v on_o the_o coast_n of_o guyny_n in_o congo_n and_o other_o part_n of_o africa_n where_o writer_n mention_v it_o to_o be_v find_v yet_o i_o be_o tell_v that_o in_o hungary_n the_o master_n of_o that_o famous_a gold_n mine_n of_o cremnitz_n have_v observe_v that_o the_o whole_a mountain_n abound_v with_o particle_n of_o gold_n and_o that_o when_o they_o have_v clear_v a_o great_a deal_n of_o the_o soil_n in_o one_o place_n of_o its_o metalline_a part_n they_o throw_v it_o into_o the_o hole_n again_o and_o observe_v that_o in_o a_o little_a time_n it_o will_v yield_v gold_n as_o before_o and_o johan_n gerherd_n give_v we_o a_o instance_n of_o the_o growth_n of_o gold_n in_o germany_n postscript_n dr._n brown_n tell_v we_o that_o he_o observe_v the_o passage_n in_o several_a mine_n grow_v up_o especial_o in_o moist_a place_n and_o that_o the_o yellow_a soil_n near_o cremnitz_n yield_v some_o gold_n whether_o the_o increase_n of_o metal_n depend_v on_o the_o influence_n of_o the_o air_n or_o some_o other_o cause_n till_o further_a and_o more_o strict_a observation_n have_v be_v make_v i_o shall_v not_o undertake_v to_o determine_v but_o shall_v only_o add_v that_o a_o marchasite_n have_v be_v shut_v up_o in_o vacuo_fw-la it_o acquire_v a_o vitriolate_a efforescence_n betwixt_o blue_a and_o green_a chap._n x._o a_o hydrostatical_a way_n of_o estimate_v oar_n estimate_v oar_n hydrostatical_o estimate_v to_o help_v i_o to_o make_v a_o estimate_n of_o the_o proportion_n of_o metalline_a or_o the_o mineral_n ingredient_n of_o body_n i_o weigh_v a_o piece_n of_o rock-crystal_n or_o white_a marble_n first_o in_o air_n and_o then_o in_o water_n by_o which_o i_o find_v that_o its_o weight_n to_o a_o equal_a bulk_n of_o water_n be_v as_o 2_o ¾_n to_o 1_o or_o as_o 11_o to_z 4_o and_o then_o by_o weigh_v metalline_a body_n such_o as_o magnet_n and_o emeri_fw-la i_o find_v that_o the_o weight_n of_o these_o in_o water_n be_v more_o than_o that_o of_o crystal_n the_o proportion_n of_o the_o latter_a be_v as_o four_o to_o one_o by_o which_o trial_n i_o be_v enable_v to_o guess_v that_o these_o stone_n contain_v metalline_a part_n in_o they_o and_o by_o the_o same_o method_n i_o discover_v metalline_a ingredient_n in_o some_o body_n which_o be_v not_o general_o look_v upon_o as_o such_o as_o lapis_n hematites_n and_o american_n talc_n and_o as_o it_o be_v general_o a_o certain_a sign_n that_o a_o body_n contain_v mineral_n ingredient_n proportionable_o as_o it_o be_v heavy_a than_o crystal_n so_o it_o be_v no_o less_o certain_a that_o body_n light_a than_o crystal_n be_v not_o impregnate_v with_o a_o metalline_a ore_n as_o jet_v succinum_fw-la sulphur_n vive_n common_a sulphur_n english_a talc_n venetian_a talc_n and_o black_a lead_n who_o weight_n to_o water_n be_v but_o as_o 1_o 1â—_n 100_o to_o 1_o and_o which_o by_o certain_a trial_n i_o have_v find_v to_o be_v a_o kind_n of_o talc_n as_o for_o the_o advantage_n that_o may_v be_v reap_v by_o estimate_v oar_n they_o may_v either_o respect_v jeweller_n physician_n or_o chemist_n as_o when_o the_o metalline_a ingredient_n be_v but_o small_a or_o mineralist_n who_o business_n it_o be_v to_o extract_v the_o metal_n when_o by_o this_o hydrostatical_a way_n it_o appear_v to_o be_v sufficient_o impregnate_v but_o because_o there_o be_v some_o cruder_n metalline_a ingredient_n in_o some_o body_n as_o antimony_n bismuth_n lapis_n calaminaris_n and_o pyrite_n which_o may_v deceive_v a_o unskilful_a mineralist_n who_o estimate_n they_o this_o way_n it_o may_v be_v convenient_a to_o make_v use_n of_o other_o trial_n to_o distinguish_v they_o and_o since_o some_o mineral_n oar_n when_o try_v in_o the_o lump_n appear_v to_o be_v poor_o stock_v with_o metalline_a part_n it_o may_v be_v of_o use_n to_o beat_v they_o to_o powder_n and_o to_o separate_v the_o metalline_a part_n by_o wash_v or_o else_o by_o fire_n for_o by_o that_o mean_v i_o once_o find_v that_o a_o metalline_a ore_n which_o be_v wrought_v for_o lead_n afford_v a_o sufficient_a quantity_n of_o silver_n to_o answer_v the_o charge_n of_o work_v it_o and_o to_o this_o caution_n i_o must_v add_v the_o follow_a viz._n that_o since_o marcasite_n be_v general_o heavy_a than_o common_a crystal_n and_o by_o some_o look_v upon_o to_o be_v plentiful_o stock_v with_o metalline_a part_n because_o of_o their_o weight_n and_o the_o glitter_a of_o their_o part_n yet_o they_o may_v easy_o be_v undecive_v by_o place_v they_o in_o a_o hot_a fire_n for_o by_o that_o mean_v the_o sulphureous_a part_n will_v be_v consume_v and_o leave_v behind_o they_o a_o black_a calx_fw-la but_o though_o marcasite_n abound_v not_o with_o metalline_a part_n proportionable_a to_o their_o bulk_n yet_o i_o have_v find_v by_o experience_n that_o some_o of_o they_o have_v afford_v not_o only_a copper_n silver_n and_o gold_n but_o sometime_o a_o quantity_n of_o run_v mercury_n
a_o thin_a white_a opacous_a bed_n and_o the_o three_o be_v make_v up_o of_o a_o long_a series_n of_o crystal_n thick_o set_v and_o which_o look_v whitish_a and_o upon_o these_o which_o be_v not_o much_o thick_a than_o a_o barleycorn_n lie_v another_o make_v up_o of_o crystal_n like_o amethyst_n some_o high_o tinge_v than_o other_o and_o more_o elevate_v where_o they_o have_v most_o room_n to_o shoot_v those_o that_o be_v most_o elevate_v be_v hard_a enough_o to_o grate_v line_n upon_o glass_n and_o i_o have_v find_v in_o the_o cavity_n of_o concrete_v stone_n crystal_n which_o be_v set_v round_o the_o side_n of_o they_o and_o seem_v to_o be_v form_v of_o a_o lapidescent_n juice_n which_o be_v percolate_v through_o the_o substance_n of_o the_o stone_n and_o form_v curious_o shape_v crystal_n and_o i_o be_o tell_v by_o a_o dig_a that_o he_o have_v observe_v several_a cluster_n of_o these_o crystal_n which_o stick_v to_o no_o part_n of_o the_o rock_n but_o seem_v to_o be_v hasty_o form_v in_o a_o soft_a mould_n but_o three_o not_o only_o the_o external_n but_o their_o internal_a texture_n favour_v our_o hypothesis_n since_o it_o seem_v to_o imitate_v that_o of_o those_o body_n which_o have_v be_v former_o fluid_n for_o it_o have_v be_v observe_v that_o several_a particle_n of_o salt_n stick_v together_o have_v not_o only_o form_v large_a lump_n but_o salgem_n and_o lump_n of_o the_o isle_n of_o mayow_a salt_n be_v break_v seem_v to_o be_v make_v up_o of_o the_o like_a part_n and_o though_o a_o solution_n of_o silver_n usual_o shoot_v into_o thin_a plate_n yet_o it_o may_v be_v so_o order_v that_o several_a of_o these_o join_v together_o may_v form_v large_a crystal_n who_o outside_n may_v be_v fine_o shape_v like_o some_o peculiar_a kind_n of_o vitriol_n and_o though_o transparent_a body_n be_v usual_o think_v to_o be_v of_o a_o uniform_a texture_n yet_o i_o have_v observe_v that_o a_o thin_a muscovy_n glass_n plate_n which_o be_v so_o thin_a as_o to_o be_v scarce_o visible_a may_v be_v further_o divide_v into_o plate_n and_o the_o like_a have_v be_v observe_v in_o other_o stone_n and_o to_o this_o i_o shall_v add_v that_o i_o have_v be_v able_a to_o perceive_v the_o grain_n of_o a_o large_a grizolette_n with_o my_o eye_n as_o well_o as_o in_o hyacinth_n and_o saphire_n and_o english_a granate_n when_o they_o be_v break_v appear_v manifest_o to_o be_v make_v up_o of_o flake_n or_o plate_n and_o so_o do_v even_o diamond_n themselves_o which_o be_v observe_v to_o cleave_v much_o more_o easy_o with_o the_o grain_n than_o against_o it_o as_o wood_n be_v observe_v to_o do_v which_o be_v make_v up_o of_o a_o assimilated_a juice_n which_o be_v first_o fluid_n but_o it_o be_v observe_v in_o some_o diamond_n that_o the_o flake_n be_v not_o whole_o parallel_v but_o in_o the_o substance_n of_o the_o stone_n sometime_o make_v angle_n for_o which_o reason_n some_o of_o they_o break_v in_o piece_n before_o they_o will_v cleave_v through_o four_o it_o seem_v requisite_a that_o these_o stone_n shall_v have_v be_v in_o solutis_fw-la principiis_fw-la that_o they_o may_v be_v tinge_v with_o mineral_n juice_n which_o proposition_n suggest_v several_a observation_n and_o first_o that_o most_o gem_n lose_v their_o colour_n or_o have_v it_o alter_v by_o the_o fire_n and_o though_o it_o may_v be_v suggest_v that_o the_o loss_n of_o a_o colour_n may_v be_v effect_v without_o the_o addition_n of_o a_o pigment_n by_o a_o change_n of_o the_o superficial_a texture_n of_o a_o body_n as_o when_o red_a ink_n be_v beat_v into_o a_o froth_n or_o when_o crystal_n receive_v several_a flaw_n in_o its_o surface_n by_o be_v sudden_o cool_v in_o water_n and_o become_v white_a or_o in_o cochinele_n and_o put_v on_o a_o please_a colour_n by_o the_o insinuation_n of_o the_o tincture_n into_o the_o crack_n and_o flaw_n yet_o indian_a granate_n be_v observe_v to_o change_v their_o reddish_a for_o a_o dark_a and_o dirty_a iron_n colour_n and_o agat_n be_v keep_v a_o competent_a time_n in_o the_o fire_n become_v white_a except_z where_o mineral_n vein_n run_v where_o it_o be_v observe_v that_o the_o colour_n be_v not_o destroy_v but_o change_v and_o become_v a_o deep_a red_a though_o i_o suspect_v that_o a_o more_o last_a fire_n will_v have_v turn_v they_o white_a and_o the_o like_a change_n of_o colour_n have_v be_v observe_v in_o pebble_n and_o other_o stone_n some_o of_o which_o lose_v their_o transparency_n by_o ignition_n acquire_v a_o deep_a colour_n upon_o their_o extinction_n in_o water_n and_o to_o countenance_v what_o i_o have_v lay_v down_o it_o may_v be_v further_o offer_v that_o gem_n be_v general_o find_v near_o mine_n or_o mineral_n vein_n and_o though_o they_o be_v not_o sufficient_o skill_v in_o dig_v mine_n to_o discover_v what_o they_o otherwise_o probable_o might_n yet_o i_o have_v see_v several_a amethyst_n which_o be_v take_v out_o of_o ground_n abound_v with_o iron_n and_o tin_n oar_n and_o those_o soft_a gem_n call_v by_o mineralist_n fluore_n be_v often_o to_o be_v find_v in_o or_o near_a metalline_a vein_n fine_o tinge_v with_o mineral_n juice_n which_o be_v they_o in_o hot_a country_n and_o sufficient_o harden_v with_o the_o sun_n they_o may_v pass_v for_o emarald_n etc._n etc._n and_o i_o remember_v that_o i_o once_o prepare_v a_o menstruum_fw-la no_o more_o corrosive_a than_o white_a wine_n which_o be_v pour_v upon_o well_o colour_v granate_n extract_v a_o lovely_a tincture_n from_o they_o and_o benvenuto_n cellini_n tell_v we_o that_o he_o see_v a_o ruby_n which_o be_v not_o of_o the_o usual_a colour_n but_o white_a as_o also_o he_o acquaint_v we_o that_o he_o have_v see_v beril_n topaz_n and_o amethyst_n of_o the_o same_o colour_n and_o ruby_n and_o saphire_n have_v be_v observe_v to_o be_v of_o the_o same_o degree_n of_o hardness_n so_o that_o they_o be_v look_v upon_o to_o be_v the_o same_o kind_n of_o stone_n though_o different_o tinge_v and_o that_o the_o same_o kind_n of_o stone_n may_v be_v different_o tinge_v appear_v since_o diamond_n have_v be_v observe_v to_o be_v yellowish_a more_o yellow_a and_o perfect_o yellow_a bluish_a greenish_a and_o some_o as_o green_a as_o emaralds_n and_o one_o who_o live_v near_o the_o river_n siam_n or_o pegu_n in_o the_o east-indies_n tell_v i_o he_o have_v see_v stone_n take_v out_o of_o the_o water_n partly_o void_a of_o colour_n and_o partly_o of_o the_o colour_n of_o a_o ruby_n and_o beside_o what_o i_o have_v observe_v in_o agat_n and_o opacous_a gem_n as_o to_o the_o differ_a colour_n of_o the_o same_o stone_n i_o wear_v a_o sardoinx_n in_o a_o ring_n the_o uppermost_a part_n of_o which_o be_v black_a the_o middlemost_a of_o a_o chestnut_n and_o the_o other_o of_o a_o blue_a colour_n almost_o like_o a_o turquois_n and_o each_o of_o these_o of_o a_o uniform_a breadth_n and_o parallel_n to_o each_o other_o and_o even_o among_o saphire_n though_o they_o be_v common_o azure_a yet_o a_o white_a stone_n have_v be_v call_v by_o the_o same_o name_n because_o of_o the_o same_o degree_n of_o hardness_n and_o to_o these_o i_o shall_v add_v that_o in_o italy_n i_o have_v see_v a_o large_a piece_n of_o crystal_n who_o pyramidal_a part_n be_v of_o a_o trnsparent_a green_a the_o vertex_fw-la be_v rich_o tinge_v like_o a_o emerald_n but_o the_o further_a the_o colour_n spread_v from_o the_o vertex_fw-la the_o more_o dilute_a and_o pale_a it_o grow_v so_o that_o the_o base_a be_v transparent_a and_o like_a ordinary_a crystal_n agreeable_a to_o which_o josephus_n acosta_n say_v that_o emerald_n seem_v to_o grow_v in_o stone_n like_o crystal_n and_o by_o little_a and_o little_a to_o thicken_v and_o refine_v he_o likewise_o say_v he_o have_v see_v some_o half_a white_a and_o half_a green_a other_o all_o white_a and_o some_o green_a and_o very_o perfect_a and_o i_o have_v see_v a_o saphir_n so_o odd_o tinge_v with_o mineral_n fume_n that_o it_o may_v well_o be_v take_v for_o a_o chalcedonian_a though_o of_o the_o hardness_n of_o a_o saphir_n and_o to_o show_v further_o that_o solid_a gem_n may_v include_v heterogeneous_a matter_n in_o they_o i_o shall_v add_v that_o not_o only_o i_o but_o other_o have_v perceive_v something_o in_o the_o body_n of_o rock-crystal_n which_o by_o vary_v the_o posture_n of_o that_o stone_n may_v be_v render_v visible_a and_o the_o like_a have_v be_v see_v in_o grisolet_n bring_v from_o the_o east-indies_n and_o in_o a_o hard_a stone_n bring_v from_o thence_o and_o design_o break_v i_o find_v several_a clear_a and_o transparent_a crystal_n which_o have_v their_o point_n inward_o and_o be_v argument_n that_o they_o have_v swim_v in_o some_o liquor_n who_o incoagulable_a part_n be_v either_o imbibe_v by_o the_o ambient_fw-la matter_n or_o penetrate_v it_o and_o to_o illustrate_v what_o i_o
the_o fibrous_a part_n be_v alone_o heavy_a than_o the_o serum_n since_o a_o great_a deal_n of_o the_o latter_a be_v disperse_v through_o the_o pore_n of_o the_o former_a which_o appear_v since_o four_o ounce_n five_o drachm_n and_o thirty_o four_o grain_n of_o the_o fibrous_a part_n of_o blood_n be_v distil_v in_o a_o digestive_a furnace_n the_o dry_a blood_n remain_v weigh_v but_o one_o ounce_n three_o drachm_n and_o thirty_o four_o grain_n whereas_o the_o serous_a liquor_n distil_v from_o it_o amount_v to_o three_o ounce_n fifty_o three_o grain_n and_o the_o like_a trial_n be_v again_o repeat_v with_o another_o parcel_n of_o blood_n the_o dry_a mass_n amount_v to_o one_o ounce_n six_o drachm_n and_o fifty_o grain_n and_o the_o phlegmatic_a liquor_n distil_v from_o it_o to_o seven_o ounce_n red_a sealing-wax_n suspend_v at_o a_o hair_n weigh_v in_o the_o air_n one_o drachm_o fifty_o six_o grain_n in_o water_n thirty_o five_o in_o serum_n thirty_o three_o and_o have_v make_v use_v of_o a_o instrument_n purposely_o make_v when_o common_a water_n weigh_v 253_o grain_n a_o equal_a bulk_n of_o serum_n weigh_v 302_o and_o the_o serum_n of_o the_o blood_n of_o another_o person_n be_v weigh_v it_o want_v but_o two_o grain_n of_o the_o weight_n of_o the_o former_a serum_n which_o be_v tinge_v with_o blood_n be_v strain_v through_o cap-paper_n the_o liquor_n which_o pass_v through_o it_o be_v of_o a_o yellow_a colour_n spirit_n of_o salt_n be_v drop_v into_o serum_n coagulate_v some_o part_n which_o subside_v in_o the_o form_n of_o cheese-curd_n and_o oil_n of_o vitriol_n have_v the_o same_o effect_n but_o more_o powerful_o but_o spirit_n of_o salarmoniack_a rather_o make_v it_o fluid_a oil_n of_o tartar_n per_fw-la deliquium_fw-la produce_v a_o white_a curd_n by_o unite_n with_o some_o part_n of_o the_o serum_n but_o not_o so_o powerful_o as_o the_o other_o have_v do_v spirit_n of_o wine_n rectify_v produce_v a_o copious_a white_a curd_n but_o so_o soft_a that_o it_o swim_v upon_o the_o top_n of_o the_o liquor_n upon_o a_o infusion_n of_o a_o solution_n of_o sublimate_n it_o yield_v a_o white_a curd_n but_o some_o of_o the_o serum_n of_o human_a blood_n be_v pour_v upon_o file_n of_o iron_n the_o liquor_n dissolve_v some_o of_o the_o steel_n which_o appear_v since_o upon_o a_o addition_n of_o some_o of_o a_o infusion_n of_o gall_n the_o liquor_n which_o before_o be_v muddy_a and_o thick_a lay_v down_o a_o whitish_a sediment_n and_o a_o convenient_a quantity_n of_o the_o infusion_n be_v add_v the_o two_o liquor_n unite_v into_o a_o consistent_a body_n wherein_o the_o eye_n discover_v no_o distinct_a liquor_n at_o all_o but_o have_v put_v some_o of_o our_o liquor_n upon_o file_n of_o copper_n which_o when_o wrought_v upon_o by_o body_n that_o have_v in_o they_o any_o thing_n of_o urinous_a salt_n usual_o give_v a_o conspicuous_a tincture_n we_o according_o find_v that_o the_o metal_n be_v in_o a_o few_o hour_n discolour_v by_o the_o menstruum_fw-la and_o afterward_o it_o begin_v gradual_o to_o grow_v more_o blue_a and_o in_o a_o day_n be_v of_o a_o deep_a ceruleous_a colour_n and_o to_o show_v that_o this_o colour_n proceed_v from_o some_o volatile_a salt_n latent_fw-la in_o the_o serum_n we_o mix_v some_o of_o it_o with_o syrup_n of_o violet_n and_o find_v that_o it_o appear_v of_o a_o fine_a green_a and_o one_o thing_n observable_a in_o the_o serum_n impregnate_v with_o copper_n be_v that_o i_o keep_v it_o several_a week_n in_o my_o window_n without_o perceive_v that_o it_o in_o the_o least_o sink_v about_o two_o ounce_n of_o serum_n be_v leave_v in_o a_o south_n window_n three_o week_n in_o the_o month_n of_o july_n but_o do_v not_o appear_v in_o the_o least_o putrify_a but_o have_v let_v down_o a_o considerable_a sediment_n and_o in_o three_o or_o four_o day_n after_o it_o stink_v offensive_o and_o that_o at_o the_o same_o time_n it_o be_v void_a of_o acidity_n appear_v since_o it_o will_v not_o take_v off_o the_o blue_a colour_n of_o a_o tincture_n of_o lignum_fw-la nephriticum_fw-la this_o fetid_v serum_n be_v distil_v in_o a_o low_a cucurbite_n the_o liquor_n that_o first_o come_v over_o be_v so_o little_a spirituous_a or_o saline_n that_o it_o will_v not_o in_o a_o hour_n time_n turn_v syrup_n of_o violet_n green_a yet_o that_o it_o be_v not_o without_o a_o volatile_a alkaly_n appear_v since_o be_v drop_v into_o a_o good_a solution_n of_o sublimate_n it_o cause_v it_o to_o lay_v down_o a_o white_a precipitate_a serum_n of_o human_a blood_n filter_v through_o cap-paper_n be_v distil_v in_o a_o small_a retort_n place_v in_o a_o sand_n furnace_n we_o obtain_v only_o a_o few_o drop_n of_o a_o darkish_a red_a oil_n some_o of_o which_o subside_v to_o the_o bottom_n of_o the_o other_o liquor_n but_o the_o great_a part_n swim_v upon_o it_o and_o after_o a_o good_a deal_n of_o insipid_a phlegm_n have_v be_v draw_v off_o there_o come_v over_o a_o good_a proportion_n of_o spirituous_a liquor_n which_o smell_v almost_o like_o the_o spirit_n of_o blood_n and_o contain_v a_o pretty_a deal_n of_o volatile_a alkaly_n so_o that_o it_o will_v ready_o turn_v syrup_n of_o violet_n green_a and_o cause_v a_o white_a precipitate_a and_o ferment_n with_o spirit_n of_o salt_n and_o this_o spirit_n be_v rectify_v in_o a_o small_a head_n and_o body_n a_o good_a quantity_n of_o a_o thick_a substance_n like_o honey_n be_v leave_v in_o the_o bottom_n of_o the_o glass_n which_o be_v for_o the_o most_o part_n of_o a_o dark_a red_a and_o seem_v to_o contain_v more_o oil_n than_o appear_v upon_o the_o first_o distillation_n the_o liquor_n that_o come_v over_o the_o helm_n be_v pure_a but_o not_o strong_a than_o the_o first_o but_o have_v put_v it_o into_o a_o glass-egg_n with_o a_o slender_a neck_n and_o give_v the_o vessel_n a_o convenient_a situation_n in_o hot_a sand_n we_o obtain_v a_o volatile_a alkaly_n that_o sublime_v into_o the_o neck_n in_o the_o form_n of_o a_o white_a salt_n from_o whence_o it_o seem_v to_o follow_v that_o the_o serous_a part_n of_o the_o blood_n afford_v the_o same_o elementary_a principle_n or_o similar_v substance_n both_o as_o to_o number_v and_o kind_n as_o the_o fibrous_a and_o consistent_a part_n though_o not_o as_o to_o quantity_n that_o of_o the_o oil_n and_o dry_a salt_n be_v less_o in_o a_o determinate_a proportion_n of_o serum_n than_o of_o blood_n though_o it_o be_v necessary_a to_o loosen_v the_o spirit_n of_o urine_n from_o the_o more_o drossy_a part_n of_o it_o that_o before_o distillation_n it_o shall_v putrefy_v for_o about_o six_o week_n yet_o if_o fresh_a urine_n be_v pour_v upon_o quicklime_n a_o great_a part_n of_o the_o spirit_n will_v present_o be_v unite_v and_o ascend_v in_o distillation_n encourage_v by_o which_o observation_n i_o mix_v serum_n with_o quicklime_n upon_o which_o there_o ensue_v a_o transient_a heat_n and_o this_o mix_a body_n be_v commit_v to_o distillation_n first_o it_o afford_v a_o phlegm_n in_o a_o gentle_a fire_n and_o then_o in_o a_o strong_a a_o moderate_a quantity_n of_o liquor_n that_o be_v think_v to_o smell_v manifest_o of_o the_o lime_n but_o have_v not_o a_o brisk_a taste_n and_o this_o be_v accompany_v with_o a_o great_a quantity_n of_o fetid_v oil_n than_o be_v expect_v the_o other_o liquor_n be_v slow_o rectify_v the_o spirit_n which_o first_o come_v over_o have_v a_o strong_a and_o pierce_a smell_n but_o less_o rank_a than_o common_a spirit_n of_o human_a blood_n its_o taste_n be_v somewhat_o fiery_a and_o be_v drop_v upon_o spirit_n of_o violet_n it_o present_o turn_v it_o green_a in_o a_o solution_n of_o sublimate_n with_o water_n and_o another_o of_o quicksilver_n in_o aqua_fw-la fortis_fw-la it_o present_o make_v two_o white_a precipitate_v and_o be_v mingle_v with_o some_o good_a spirit_n of_o sea-salt_n there_o appear_v a_o thick_a and_o whitish_a smoke_n but_o neither_o any_o visible_a conflict_n nor_o bubble_n yet_o the_o colour_n of_o the_o spirit_n of_o salt_n seem_v much_o heighten_v by_o this_o operation_n and_o here_o i_o shall_v observe_v that_o have_v set_v the_o late_o mention_v mixture_n of_o the_o spirit_n of_o serum_n and_o of_o salt_n to_o evaporate_v the_o salt_n afford_v by_o it_o be_v not_o like_a that_o of_o salarmoniack_a but_o the_o colour_n produce_v in_o the_o mixture_n whilst_o fluid_a be_v so_o heighten_v in_o the_o concrete_a that_o it_o appear_v of_o a_o blood-red_n colour_n but_o of_o such_o a_o confuse_a shape_n that_o it_o can_v not_o be_v reduce_v to_o any_o kind_n of_o salt_n by_o all_o which_o phaenomena_n this_o spirit_n of_o the_o serous_a part_n of_o the_o blood_n seem_v to_o be_v very_o near_o of_o kin_n to_o that_o of_o the_o concrete_v mass_n to_o try_v whether_o the_o fix_a salt_n of_o pot-ash_n will_v have_v the_o same_o effect_n on_o serum_n
spirit_n xiii_o of_o the_o relation_n betwixt_o spirit_n of_o human_a blood_n and_o the_o air._n fourteen_o of_o the_o hostility_n of_o human_a blood_n with_o acid_n whether_o in_o the_o form_n of_o liquor_n or_o fume_n xv._o of_o the_o medicinal_a virtue_n of_o spirit_n of_o human_a blood_n external_o apply_v xvi_o of_o the_o medicinal_a virtue_n of_o spirit_n of_o human_a blood_n internal_o give_v in_o pleurisy_n headache_n cough_n fever_n scurvy_n cachexy_n dropsy_n fit_v of_o the_o mother_n xvii_o paralipomena_fw-la and_o promiscuous_a experiment_n and_o observation_n concern_v the_o spirit_n of_o human_n blood_n title_n i._o whether_o human_a blood_n may_v be_v so_o order_v by_o fermentation_n or_o putrefaction_n as_o that_o in_o distillation_n a_o spirit_n either_o vrinous_a or_o vinous_a may_v ascend_v before_o the_o phlegm_n consider_v that_o fever_n have_v be_v look_v upon_o to_o proceed_v from_o a_o fermentation_n in_o the_o blood_n and_o likewise_o that_o human_a urine_n which_o have_v a_o great_a cognation_n with_o human_a blood_n will_v not_o whilst_o fresh_a afford_v a_o spirit_n till_o the_o phlegm_n be_v first_o draw_v off_o this_o subject_a of_o this_o title_n may_v not_o appear_v groundless_a but_o i_o be_o not_o much_o encourage_v to_o expect_v a_o vinous_a or_o ardent_a spirit_n from_o human_a blood_n nor_o be_o i_o sure_a there_o be_v any_o such_o thing_n as_o fermentation_n in_o human_n blood_n and_o on_o this_o occasion_n i_o shall_v add_v that_o have_v once_o keep_v blood_n hermetical_o seal_v up_o in_o a_o glass_n for_o twelve_o month_n when_o it_o come_v to_o be_v open_v it_o smell_v so_o offensive_o that_o we_o can_v not_o make_v any_o trial_n upon_o it_o and_o another_o time_n have_v digest_v in_o a_o pretty_a large_a vial_n hermetical_o seal_v some_o sheep_n blood_n when_o it_o have_v be_v a_o good_a while_n in_o the_o digestive_a furnace_n it_o sudden_o break_v with_o a_o considerable_a noise_n and_o blow_v off_o the_o long_a neck_n of_o the_o vial._n and_o here_o to_o what_o have_v be_v lay_v down_o i_o shall_v add_v that_o some_o ounce_n of_o serum_n of_o blood_n be_v add_v to_o a_o four_o part_n of_o raisin_n of_o the_o sun_n stone_v and_o keep_v in_o a_o glass_n in_o a_o warm_a room_n for_o several_a day_n the_o event_n of_o this_o trial_n be_v that_o within_o in_o a_o few_o day_n the_o raisin_n begin_v to_o emerge_n and_o whilst_o they_o float_v yield_v a_o considerable_a quantity_n of_o springy_a and_o permanent_a air_n from_o whence_o it_o appear_v that_o there_o have_v be_v some_o degree_n of_o fermentation_n but_o when_o this_o serum_n come_v to_o be_v distil_v though_o it_o do_v not_o stink_v as_o if_o it_o have_v be_v putrify_v yet_o the_o spirit_n which_o first_o ascend_v taste_v not_o like_o a-viscous_a spirit_n nor_o like_o a_o mere_a phlegm_n whether_o the_o fermentation_n observe_v in_o this_o liquor_n depend_v on_o the_o whole_a serum_n or_o only_o on_o the_o aqueous_a part_n distinct_a from_o it_o i_o shall_v leave_v to_o experience_n to_o determine_v to_o try_v whether_o digestion_n or_o putrefaction_n will_v so_o open_v the_o texture_n of_o blood_n as_o to_o make_v it_o part_n with_o its_o spirit_n more_o easy_o and_o before_o the_o phlegm_n i_o keep_v a_o quantity_n of_o serum_n for_o that_o purpose_n four_o time_n as_o long_o as_o be_v sufficient_a to_o make_v urine_n part_n with_o its_o spirit_n before_o its_o phlegm_n but_o the_o liquor_n which_o come_v over_o by_o a_o gentle_a heat_n have_v but_o little_a strength_n either_o in_o smell_n or_o taste_n nor_o will_v it_o ready_o turn_v syrup_n of_o violet_n green_a yet_o like_o a_o volatile_a alkaly_n it_o will_v soon_o turn_v a_o solution_n of_o sublimate_n in_o fair_a water_n into_o a_o white_a opacous_a and_o almost_o milky_a liquor_n title_n ii_o whether_o spirit_n of_o human_a blood_n be_v real_o any_o thing_n but_o the_o volatile_a salt_n and_o phlegm_n well_o commix_v for_o several_a reason_n i_o be_o incline_v to_o believe_v that_o the_o spirit_n of_o human_a blood_n be_v total_o compose_v of_o a_o volatile_a salt_n and_o a_o phlegm_n which_o be_v not_o so_o pure_a and_o elementary_a but_o that_o some_o particle_n of_o oil_n and_o other_o of_o salt_n may_v be_v mix_v with_o it_o and_o whether_o by_o frequent_a rectification_n this_o phlegm_n may_v be_v render_v homogeneous_a i_o much_o question_n since_o i_o be_o not_o sure_a but_o that_o in_o frequent_a distillation_n some_o particle_n of_o the_o fire_n mny_n be_v from_o time_n to_o time_n associate_v with_o the_o liquor_n and_o even_o in_o the_o first_o distillation_n the_o fire_n unite_n with_o the_o liquor_n may_v form_v one_o different_a from_o the_o ingredient_n or_o principle_n of_o the_o body_n and_o i_o have_v find_v that_o wood_n afford_v by_o distillation_n a_o liquor_n which_o be_v not_o a_o oil_n nor_o a_o acid_n or_o a_o alkaly_n and_o yet_o no_o true_a phlegm_n but_o a_o adiaphorous_a liquor_n and_o on_o this_o occasion_n to_o show_v that_o the_o composition_n of_o a_o body_n may_v as_o well_o be_v make_v know_v by_o investigate_a the_o way_n of_o generate_a or_o produce_v it_o as_o by_o that_o of_o analyse_a or_o resolve_v it_o i_o shall_v add_v that_o have_v dissolve_v as_o much_o volatile_a salt_n of_o human_a blood_n in_o distil_a water_n as_o the_o liquor_n will_v take_v up_o and_o then_o have_v distil_v it_o in_o a_o convenient_o shape_v vessel_n with_o a_o regulate_v degree_n of_o heat_n the_o distillation_n afford_v we_o such_o a_o liquor_n as_o be_v desire_v since_o by_o smell_n and_o taste_v it_o appear_v to_o be_v a_o good_a brisk_a spirit_n of_o human_n blood_n and_o this_o experiment_n be_v again_o repeat_v with_o the_o like_a success_n title_n iii_o of_o the_o species_n of_o saline_n body_n to_o which_o the_o spirit_n of_o human_a blood_n be_v to_o be_v refer_v though_o it_o be_v general_o allow_v that_o saline_n spirit_n be_v of_o two_o sort_n yet_o it_o may_v not_o be_v amiss_o to_o add_v that_o some_o of_o they_o be_v acid_n in_o taste_n as_o spirit_n of_o nitre_n vitriol_n etc._n etc._n other_o be_v rather_o like_o common_a or_o lixiviate_v salt_n and_o their_o different_a effect_n and_o operation_n be_v much_o less_o alike_o than_o their_o taste_n for_o upon_o their_o mixture_n there_o ensue_v a_o manifest_a conflict_n and_o usual_o one_o will_v precipitate_v the_o body_n the_o other_o will_v dissolve_v and_o among_o salt_n call_v alkaly_n some_o be_v fix_v in_o considerable_a degree_n of_o fire_n and_o other_o who_o take_v acid_n and_o alkaly_n for_o the_o true_a principle_n of_o mix_a body_n call_v the_o one_o fix_v and_o the_o other_o volatile_a alkaly_n and_o though_o i_o who_o question_n this_o doctrine_n often_o call_v the_o salt_n make_v by_o combustion_n simple_o alkaly_n or_o lixiviate_v salt_n and_o those_o that_o ascend_v sometime_o vrinous_a and_o sometime_o volatile_a salt_n yet_o since_o the_o name_n of_o fix_a alkaly_n and_o volatile_a one_o be_v in_o request_n now_o i_o shall_v now_o make_v use_n of_o they_o in_o that_o sense_n these_o thing_n be_v premise_v i_o shall_v proceed_v to_o observe_v that_o notwithstanding_o that_o some_o physician_n and_o chemist_n ascribe_v digestion_n to_o a_o acid_n ferment_n in_o the_o stomach_n yet_o the_o spirit_n of_o human_a blood_n be_v referrable_a to_o that_o classis_fw-la which_o many_o call_v volatile_a alkaly_n since_o it_o general_o perform_v what_o volatile_a alkaly_n be_v say_v to_o do_v for_o it_o will_v ferment_n with_o acid_n turn_v syrup_n of_o violet_n green_a and_o precipitate_v a_o solution_n of_o sublimate_n in_o common_a water_n be_v i_o sure_o that_o the_o ferment_n of_o the_o stomach_n be_v acid_n i_o shall_v be_v apt_a to_o believe_v that_o the_o blood_n retain_v something_o of_o acidity_n in_o it_o but_o yet_o that_o will_v not_o be_v a_o argument_n why_o i_o shall_v not_o refer_v the_o spirit_n of_o human_a blood_n to_o the_o class_n of_o alkaly_n because_o so_o few_o acid_n particle_n will_v either_o be_v destroy_v by_o the_o alkalizate_a one_o that_o be_v so_o abundant_a in_o the_o spirit_n or_o at_o least_o they_o will_v be_v so_o very_a much_o predominant_a as_o to_o give_v we_o reason_n on_o their_o account_n to_o denominate_v the_o mixture_n alkalious_a as_o if_o some_o drop_n of_o spirit_n of_o vinegar_n be_v mix_v with_o stale_a urine_n they_o will_v be_v either_o deprive_v of_o their_o acidity_n by_o some_o particle_n of_o a_o contrary_a nature_n or_o be_v so_o overpower_v by_o the_o fugitive_n salt_n they_o abound_v with_o that_o the_o mixture_n may_v well_o be_v refer_v to_o the_o classis_fw-la of_o volatile_a urinous_a salt_n title_n iu._n whether_o the_o spirit_n of_o human_a blood_n be_v differ_v from_o spirit_n of_o urine_n and_o other_o salt_n call_v volatile_a alkaly_n upon_o this_o occasion_n i_o shall_v offer_v