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When Tar-waters of different Degrees of Strength were put into Florence Flasks, with other inverted Flasks fixed on them, and all were placed in the … - Stephen Hales
" "When Tar-waters of different Degrees of Strength were put into Florence Flasks, with other inverted Flasks fixed on them, and all were placed in the same Vessel of hot Water; on breaking the upper Flasks, the volatile acid Spirit could very sensibly be tasted, especially that of the stronger Tar-water; which shows that these Waters are impregnated therewith: and which when distilled from Turpentine, Dr. Boerhaave in his Chemistry says, is the best vegetable Acid that is known.
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About Stephen Hales
(September 17, 1677- January 4, 1761) was an English clergyman whose inventions, studies and experiments made major contributions to developments in botany, and in both plant and animal . He was the first to measure utilizing his "Hales Manometer", and also invented a to distill various "airs" i.e., gases. His other medical or health related inventions include a ventillation bellow to improve air quality in enclosed spaces, and surgical for the removal of s. He was a philanthropist and wrote a popular tract on alcoholic intemperance.
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Additional quotes by Stephen Hales
And if we reflect upon the discoveries that have been made in the animal œconomy, we shall find that the most considerable and rational accounts of it have been chiefly owing to the statical examination of their fluids, viz. by enquiring what quantity of fluids, and solids dissolved into fluids, the animal daily takes in for its support and nourishment: And with what force and different rapidities those fluids are carried about in their proper channels, according to the different secretions that are to be made from them: And in what proportion the recrementitious fluid is conveyed away, to make room for fresh supplies; and what portion of this recrement nature allots to be carried off, by the several kinds of emunctories and excretory ducts.
November the sixth following, viz. in the Year 1741 Martin Triewald, Captain of Mechanicks and Military Architect to the King of Sweden, and Fellow of the Royal Society at London, in a Letter to M.D. and Secretary of the Royal Society, says, that "this Spring he had invented a Machine, for the Use of his Majesty's Men of War, which went to block up Petersburgh, in order to draw out the bad Air from under their Decks, the least of which does exhaust 36172 cubick Feet of Air in an Hour,"...
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