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Mathematical Tracts...Vol. I containing his - ROBINS, Benjamin - 1761. 
Three engraved plates (one folding) & numerous diagrams in the text. xlvi, , 341,  pp.; 1 p.l., 380 pp. Two vols. 8vo, cont. speckled calf (head of spine of Vol. II with tiny chip), spines gilt, red morocco lettering pieces on spines. London: J. Nourse, 1761. First edition, edited by Dr. James Wilson. This collection contains Robins' book on gunnery, the polemics on the vis viva controversy, other articles read to the Royal Society but until then unpublished, reprints of the published articles, and Wilson's personal comments on the life and character of his old friend. Robins (1707-51), "is best known as the inventor of the ballistic pendulum. Today the device is used to demonstrate conservation of momentum as well as for the purpose to which Robins put it: to determine the muzzle velocity of bulletsâ€¦Much of his writing was devoted to attacks on Newton's enemies - Leibniz, the Bernoullis, Berkeley and James Jurin. Robins took part in the celebrated vis viva controversy, the subject of most of his polemicsâ€¦His other work on ballistics was far from trivial, including studies of the resistance of fluid media to high-speed objects, pressures on projectiles inside a gun barrel, the rifling of barrel pieces, and the shape of actual, as opposed to ideal, trajectories."-D.S.B., XI, pp. 493-94. Fine set with the engraved armorial bookplates of Hans Sloane, Esq. ? Roberts & Trent, Bibliotheca Mechanica, pp. 279-80. Sotheran, I, 4043-"Very rare.".
[Bookseller: Jonathan A. Hill, Bookseller, Inc.]
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