This Acid in Tar-water will curdle Milk; yet Turpentine-water will not... which shows that Tar is considerably acidulated, by the action of Fire in m… - Stephen Hales

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This Acid in Tar-water will curdle Milk; yet Turpentine-water will not... which shows that Tar is considerably acidulated, by the action of Fire in making.

English
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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

St. Basil, in his Homilies, says that when Men were cast on an Island, where there was no fresh Water; and they boiled Sea-Water; and catched the Vapour with Sponges, which they squeezed into another Boiler; and having passed thus, four or five Times from Boilers thro' Sponges, it became drinkable. This tedious way was used before the method of Disttiling was known, which was an Invention of the Arabs.

As the celebrated Tar-water, recommended by the worthy and learned Bishop Berkeley, is said to be taken with great Benefit by some, and Detriment by others; I thought it might probably be of use to inquire whether any, or what Quantity of Tar, there was in Tar-water, made with different kinds of Tar, different Degrees of stirring, and in different Ways of making it. A short Account of which I shall give, without interesting myself, either in Favour or Disfavour of a Medicine that is under the Inspection of the proper Judges, as well as of all the rest of the World.

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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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