The book A History of Science 3 was written by author Williams, Henry Smith, 1863-1943 Here you can read free online of A History of Science 3 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A History of Science 3 a good or bad book?
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"Taking a cannon (a brass six-pounder), cast solid, and rough, as it came from the foundiy, and fixing it horizontally in a machine used for boring, and at the same time "finishing the outside of the cannon by turn- ing, I caused its extremity to be cut off ; and by turning down the metal in that part, a solid cylinder was formed, yf inches in diameter and 9^ inches long; which, when finished, remained joined to the rest of the metal (that w'hich, properly speaking, constituted the cannon) by a... small cylindrical neck, only 2^ inches in diameter and 3^% inches long. "This short cylinder, which was supported in its horizontal position, and turned round its axis by means of the neck by which it remained tmited to the cannon, was now bored with the horizontal borer used in boring cannon. 209 A HISTORY OF SCIENCE "This cylinder being designed for the express pur- pose of generating heat by friction, by having a blunt borer forced against its solid bottom at the same time that it should be turned round its axis by the force of horses, in order that the heat accumulated in the cylin- der might from time to time be measured, a small, round hole 0.37 of an inch only in diameter and 4.2 inches in depth, for the purpose of introducing a small cylindrical mercurial thermometer, was made in it, on one side, in a direction perpendiciilar to the axis of the C3'linder, and ending in the middle of the solid part of the metal which formed the bottom of the bore.
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