Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 106
Fig. 42. Fig. 43. … Fig. 44. §§ 157-158] MACHINES 91 many times itself as the pitch is contained times in the cir-cumference of the circle described hy the force. 158. Compound Machines. — Often in lifting very heavyweights a considerable distance, or in producing a highrate of speed, a combination of some of the…
Physics
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