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 193
132 4) £Bi ^ … Y\yK/,i.jSa. (^ Sea. XT. PRODUCING MOTION. 163 4. The leaver AB^ may alfo be moved thus, by help of a p j q,machine GFA moving uniformly along GZ). Make ///, IF 133.*right lines •, and make as many fuch teeth as you will; and thcfe will give a uniform motion to the leaver. Make the curves EFE all…
Mechanics · Mechanical engineering
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