International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 357
2 lb9.\ ELEMENTARY MECHANICS. 345 … Fig. 151. Case II.—In Fig. 151, the power is supposed to act par-allel to the base for any position of IV, the pulley being shifted up and down;therefore, while IV ismoving from the levela c to d, or through theheight c d of. the in-clined plane, P willmove a distance down-wards, relative to…
Railroad engineering
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