The principles of mechanics : explaining and demonstrating the general laws of motion, the laws of gravity, motion of descending bodies, projectiles, mechanic powers, pendulums, centers of gravity, &c. strength and stress of timber, hydrostatics, and construction of machines : a work very necessary to be known, by all gentlemen, and others, that desire to have an insight into the works of nature and art : and extremely useful to all sorts of artificers, particularly to architects, engineers, shipwrights, millwrights, watchmakers, &c. or any that work in a mechanical way : illustrated with forty-three copper-plates (1773)
Emerson, William, 1701-1782 · London : Printed for G. Robinson ... · leaf 131
Tiy.^a, y^f. … TVy.pa, n^f. rJ I 10. Scd. VIII. OF T I M B E R 105 In order to find the law of refiftance of beams of timber or ^ ^ °Tuch like bodies, againft any weights laid upon them, or drain- •°9*ino- them, I took a piece of wood plained fquare, and fupport-iiig it at both ends A, B, I laid fucceflively on…
Mechanics · Mechanical engineering
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