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2020-12-18 18:11:04
Mechanica: sive de motu, tractatus geometricus. Pars prima. In qua, De motu generalia. De gravium descensu, & motuum declivitate. De libra (Pars secunda. In qua, De centro gravitates. Ejusque calculo; Pars tertia.
William Godbid for Moses Pitt, London, 1671. "A MAJOR ADVANCE IN THE MATHEMATIZATION OF MECHANICS" (DSB). First edition, very rare when complete with the portrait and all three parts, of this classic treatise on mechanics by Newton's most important English precursor. It treats both statics (the balance, the lever, centres of gravity, elasticity, and hydrostatics) and dynamics (including the motion of bodies under gravity, and the first comprehensive treatment of the collision of both hard and elastic bodies). "On these investigations, according to Professor Mach, Sir Isaac Newton based his researches contained in the Principia" (Sotheran 5188). All three of 'Newton's' laws of motion are stated in the Machanica, almost two decades before the publication of the Principia. "The first part deals with various forms of motion in a strictly 'geometrical', that is, Euclidean, manner, starting with definitions followed by propositions. The motion of bodies under the action of gravity is covered in particular. The final chapter of the first part is devoted to a treatment of the balance and introduces the idea of moment, which is essential for the inquiries into the centers of gravity. In the third part, Wallis returns not only to ancient tradition, but above all to a thorough treatment of the problems of percussion. In 1668 percussion and impact were a major topic of discussion at the Royal Society, and Wallis, Wren, and Huygens submitted papers. In the Mechanica, Wallis extended his investigations, studying the behavior of both elastic and inelastic bodies. Although in style and sub … [Click Below for Full Description]
Bookseller: SOPHIA RARE BOOKS [Koebenhavn V, Denmark]
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