Coulomb, Charles-Augustin
Théorie des machines simples
1821, Paris, Bachelier
First Edition
One of the foundational texts of modern mechanical engineering, this work represents Coulomb's prize-winning investigation into the theory of simple machines. The study was originally presented to the Paris Academy of Sciences in 1781, but this 1821 edition represents the first collected edition, in book form, of all major Coulomb's contributions in mechanics. Complete of 10 illustrative plates, the volume consolidates Coulomb's groundbreaking research on friction, mechanical advantage, and the fundamental principles governing simple machines.
Coulomb’s systematic investigation of friction marked a turning point in mechanical engineering. Through rigorous empirical study, he demonstrated the linear relationship between friction and normal force, while extending his analysis to the more complex effects of load, materials, time of repose, lubrication, and velocity. The work combines experimental methodology with mathematical analysis of mechanical forces, addressing statics, mechanical advantage, and the theory of simple machines. Detailed examinations of pulleys, levers, inclined planes, and rope mechanics are complemented by pioneering ergonomic studies of human work capacity. Numerous mathematical formulas throughout the text. The ten folding engraved plates illustrate both the experimental apparatus and the mechanical principles under investigation.
The moment mechanics grew up: Coulomb locks Enlightenment physics into usable law, turning observation into equations that still run the machines around us.
Pp. [1] f.e., viii, 368, X folded plates, [1] r.e.
Contemporary half calf binding over marbled paper with minor defects and some rubbing at the corners; smooth spine with gilt decoration, title in gold on a mounted label; blue speckled edges. Handwritten note on the front inner board. 10 folding engraved plates. Occasional light spotting throughout, but overall fresh copy in fine conditions.
Dimensions (inches): 10 1/4 x 8 1/4 x 1 1/2
Charles-Augustin de Coulomb (1736-1806), French military engineer and physicist, renowned for the eponymous Law of electrostatic force.
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