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A77126 A general idea of the Epitomy of the works of Robert Boyle, Esq. to which are added general heads for the natural history of a country / by R. Boulton ... Boulton, Richard, b. 1676 or 7. 1700 (1700) Wing B3830A; ESTC R36502 45,232 127

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and impossible to preserve it SECT XIV The Eighteenth Chapter contains Experiments about the Relation betwixt Air and the Flamma Vitals of Animals from whence it appears That it is as impossible to preserve Animals without Air as Flame SECT XV. The Twentieth Twenty first and second Chapters contain several Experiments which shew That shining Flesh and Fish as well as Worms cease to become lucid if deprived of the Contact of the Air. SECT XVI The Twenty third Chapter contains several Experiments made with a Diamond which shone in the Dark SECT XVII The Twenty fourth and fifth Chapters give an Account of an Aerial and Icy Noctiluca whose Lucidness depend on Fumes raised by the Saline Parts of the Air which being united with the Air affect the Eye jointly CHAP. V SECT I. THE Five first Chapters of the Fifth Book and the First Part shew That Bodies have only a Relative Levity under Water That the Air by virtue of its Spring presses on Bodies under Water and that the Effects of the Air on such Bodies vary according to the differing Weight of the Atmosphere and likewise contain an Invention for estimating the Weight of Water in Water SECT II. The Sixth Chapter contains the following Hydrostatical Paradoxes made out by several Experiments I. That in Water and other Fluids the lower parts are pressed by the upper II. That a lighter Fluid may weigh upon a heavier III. That if a Body contiguous to the Water be altogether or in part lower than the highest Level of the said Water the lower part of the said Body will be pressed upwards by the Water that touches it beneath IV. That in the Ascension of Water in Pumps c. there needs nothing to raise the Water but a competent weight of an external Fluid V. That the Pressure of an external Fluid is able to keep an Heterogeneous Liquor suspended at the same height in several Pipes tho' those Pipes be of very different Diameters VI. If a Body be placed under Water with its uppermost Surface parallel to the Horizon how much soever Water there may be on this or that side above the Body the direct Pressure sustained by the Body is no more than that of a Column of Water having the Horizontal Superficies of the Body for its Basis and the prependicular depth of the Water for its Heighth And so likewise If the Water that leans upon the Body be contained in Pipes open at both ends the Pressure of the Water is to be estimated by the weight of a Pillar of Water whose Basis is equal to the lower Orifice of a Pipe and its heighth equal to a Perpendicular reaching thence to the top of the Water tho' the Pipe be much inclined towards the Horizon or tho' it be irregularly shaped and much broader in some Parts than the said Orifice VII That a Body immersed in a Fluid sustains a lateral Pressure from the Fluid and that increases as the Depth of the immersed Body below the Surface of the Fluid increases VIII That Water may be made to depress a Body lighter than it self as well as to buoy it up IX That a parcel of Oil lighter than Water may be kept in Water without ascending in it X. That the Cause of the Ascent of Water is Syphons and of flowing through them may be explained without having recourse to Nature's Abhorrency of a Vacuum XI That a solid Body as ponderous as any yet known tho' near the top of the Water will sink by its own weight yet if it be placed in a greater depth than that of Twenty times its own thickness it will not sink if its Descent be not assisted by the weight of incumbent Water SECT III. The Eighth Chapter contains a Description of a new Hydostratical Instrument to estimate the difference of Metals in goodness SECT IV. The Ninth Chapter contains a short Account of the Increase and Growth of Metals And the remaining Chapters of the First Part of the Fifth Books lays down a Method to estimate the Goodness of Ores and also of Medicinal Substances by which it may easily appear That if a Body be heavier than Chrystal it must contain more or less of a Metalline Ingredient as it exceeds that in weight CHAP. VI. SECT I. THE Second Part of the Fifth Book contains several solitary Observations and Experiments both Chymical Medicinal and Physical which since nothing can be inferred from them but what hath been already taught it will be needless to mention what is contained therein especially since Historical Relations cannot be more contracted than in the Epitomy CHAP. VI. SECT I. THE First and Second Chapters of the Third Part of the Fifth Book teach That all Gems have been once in a fluid Form and that they receive their Virtues and Colours from Mineral Tinctures SECT II. The Second Chapter shews That even solid Bodies continually emit Effluvia SECT III. The Fourth Chapter shews the strange Subtlety of Effluvia a Grain of Silver Wyre consisting of 64800 true Metalline Parts and a Grain of Leaf-Gold being capable of being divided into 2000000 Squares And Fillings of Copper will give a Tincture to 613620 times their Bulk of Water SECT IV. The Fifth Chapter shews the great Efficacy of Effluviums as in Lightning and other Effluviums which affect Humane Bodies SECT V. The Sixth Chapter proves That the Effluviums of Bodies act according to the determinate Nature of the Body they come from SECT VI. The Seventh and Eighth Chapters shew That not only Animal but other solid Bodies are porous SECT VII The Ninth and Tenth Chapters contain a Natural History of Humane Blood for which I must refer the Reader to the Epitomy it not admitting of a Recapitulation of the Contents in much less room than they are there contained in SECT VIII The last Chapter of the Third Volume shews That the Operations of Specifick Medicines are Reconcilable to the Conpuscular Philosophy What he hath delivered concerning the manner of their acting it may be comprized under the following Heads Prop. I. Sometimes a Specifick Medicine may cure by discussing or resolving the Morbifick Matter and thereby making it fit for Expulsion by the greater common-Shoars of the Body and the Pores of the Skin Prop. II. Sometimes a Specifick Medicine may mortifie the over-acid or other immoderate Particles that infect the Mass of Blood and destroy their Coagulatory or other Effects Prop. III. Sometimes a Specifick Medicine may help the Patient by precipitating the Morbisick Matter out of his Blood or the other Liquors of the Body in which it harbours Prop. IV. Sometimes a Specifick Medicine may work by peculiarly strengthening and cherishing the Heart the Part affected or both Proy V. Sometimes a Specifick Medicine may act by producing in the Mass of Blood such a Disposition as may enable Nature by correcting expelling or other fit Ways to surmount the Morbifick Matter or other Cause of the Disease Prop. VI. Sometimes a Specifick Medicine may unite with the
any time and if so at what time of the Year and what Influences that Rain hath upon the Air as to the making it Wholesome or Pestilential or otherwise Unwholesome 2. To consider the Nitre that is made there to try what Affinity there is between the Nitre we have and theirs whether it discover an Alkaly Nature by its Colluctation with Acids as some report and whether after dissolving in Water Filtration and Evaporation it give Chrystals like to Nitre 3. Whether the Earth of Egypt adjoining to the River Nilus preserved and weigh'd daily keeps the same Weight till the seventeenth of June and then grows daily heavier with the Increase of the River 4. Whether if the Plague be never so great before yet on the first Day of the Nile's Increase it not only not increaseth but absolutely ceaseth not one dying of it after and whether this be justly attributed to the swelling of the Nile or the cool Winds that happen about that Time and come from the dissolving of the Snows on the Riphaean Hills behind Greece which being impregnated with the Nitrous Particles of the Snow doth both fan the Air of Egypt and communicate to it an Anti-pestilential Quality which I the rather am inclin'd to believe because Judicious Men do attribute in part the swelling of the Nile to these Etesiae that blowing hard on the Mouth of the Nile force its Waters back again into its Channel which meeting with the Land-flood that is at the same time occasion'd by the great Rains happening at that Time on the Mountains of the Moon do make the River overflow its Banks 5. To enquire particularly into the manner of hatching Eggs in Egypt how the Camels Dung is prepar'd wherein they are laid how often the Eggs are turned how covered whether they hatch in one and twenty Days as they do with us under a Hen whether the Chickens be as perfect as ours if imperfect whether that may not happen to them with rough handling while they are removed being very tender out of the Place where they are hatched to take the Design of the manner how by the Pipes the Heat is conveyed to several Rooms how they ●reat them betwixt the time of their Hatching and Taking away by the Owners whether they do not also use to hatch Eggs under Hens 6. To enquire if the Yellow Amber that is sold in Egypt in great quantity be the Gum of a Tree growing in Egypt or Ethiopia as Bellonius after Diodorus Siculus affirms and whether besides several Animals that are found inclosed in that Amber there is frequently found some part of the Bark of a Tree sticking to it 7. To enquire of a certain Tree growing not far from Cairo which bears a Fruit stuffed with Wool that is finer than Silk of which the Arabs make Linnen that is softer than Silk and whiter than Cotton 8. Whether Crocodiles that are found to be sometimes thirty foot long are hatched of an Egg no bigger than a Turkey's 9. Whether the Ichneumon or Egyptian Water-Rat can kill a Crocodile by skipping into his Mouth and gnawing his way out as Old Writers affirm 10. Whether it be true That the Arabs can charm the Crocodiles or whether there be on the Nile's side any Talismans or Constellated Figures beyond which the Crocodiles cannot pass as some would make us believe 11. To enquire at Cairo for several Druggs which are common there and much in use yet not brought into Europe as Acacia Calamus Odoratus Amomum Costus Ben Album and divers such others 12. Whether the Female Palm-Tree be not Fruitful unless she be planted by the Male as some would bear us in Hand 13. To enquire whether the Appearance of Legs and Arms of Men related to stand out of the Ground to a great Number at five Miles from Cairo on Good-Friday do still continue and how that Imposture is perform'd 14. Whether Children born in the Eighth Month do usually live there contrary to what is believed to happen elsewhere 15. To take an Account of the Wooden Locks there which are said to be made with as great Art there as our Locks here 16. To observe the Course of the Waters both in the Mediterranean and the Red Sea Enquiries for Guiney 1. Whether the River Niger overflows the Country yearly like Nilus 2. Whether Rain when it falls be often very hot whether it rots the Cloaths if not presently dried and breeds Worms in them 3. Whether the Gold there differs in the Fineness and that which lies uppermost in the Mine be the finest 4. Whether the Palm yields Wine Oil Vinegar Soap and Bread and whether out of the Leaves they pick Threads making thereof very curious Works 5. Whether they have besides their Palm-wine a Drink made of Grain like our Ale what Grain that is and how prepared 6. Whether some People on the River Gambra be only Tawny as others very Black 7. Whether the Negroes have such sharp Sights that they discover a Ship farther off at Sea than an European can 8. What Reason there is to conclude That the Common People being accustomed to drink Water is the Cause that they are troubled with Worms in their Bodies very painful to them and difficult to get out Enquiries for Poland and the adjacent Country especially such as are more Northerly 1. What is the way of making Pot-ashes in Poland 2. What is to be observed about Succinum or Amber whether it be an Exudation of the Sea whether it be soft when 't is first cast on Shore at what Season of the Year and in what manner 't is taken up c. 3. What is to be observed in the digging of Sal Gemmae in Poland and what is the Depth of the Mines stored with the Salt and what their Distance from the Sea 4. What Truth there is in that Relation of Swallows being found under Waters congeal'd in Winter and reviving if they be fish'd and held to the Fire 5. Whether there be in the Bodnick Bay a Whirl-pool as is related to be in the Sea of Norway which is commonly called the Mealstroom and whether ther be any Signs that relate the Communication of these Gulphs with the Subterraneous Passages as Kircher says in his Mundus Subter T. 1. p. 146. 6. To what Depth the Cold in these Parts pierces the Earth and Water 7. Whether their Watches go slower by the intense Cold. 8. Whether their Oil in great Colds is turned into true that is to say hard and brittle Ice 9. Whether they can freeze there a strong Brine of Bay-Salt a strong Solution of Sal Gemmae or Soot or a strong Solution of Salt of Tartar or Sugar of Lead 10. Whether they can congeal meer Blood all the serous Part thereof being severed Item Canary Wine Solutions of all Salts and strong Solutions of Metals 11. Whether an intense and lasting Frost makes any Alteration in Quicksilver exposed very shallow in a flat Vessel 12. Whether the Purgative