International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 352
340 ELEMENTARY MECHANIC^;. 5)31. \Vliccl>vork.—A combination of wheels and axles,as in Fig. 1-i-i, is called a triiiii. The wheel in a train towhich motion is imparted from a wheel on another shaft,by such means as a belt or gearing, is called the drivenwheel or follower; the wheel which imparts… … Fig. 144. 932. It will be seen that the wheel and axle bears thesame relation to the train that the simple lever does to thecompound lever; that is, the continued product of tite powerand the radii of the driven wheels equals the continued productof the weight, the radius of the drum that jnoves…
Railroad engineering
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