Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 121
Fig. 63. Fig. 64. the wheel, and the smaller the axle, as A and C (Fig. 63).The wheel may be moved by the hand or by a string with aweight attached to it. The wheel is often replaced by a crank, as in the windlass,or by a spoke, as in the capstan, and is thus employed inhoisting apparatus, such as…
Physics
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