Williams, Henry Smith, 1863-, Williams, Edward Huntington, 1868-1944, joint author · New York and London, The Goodhue company · leaf 48
in space is probably tooirregular to make their influence on the earth predicablein the present state of science; but the principle involvedis no less sure. WHEELS AND PULLEYS Returning from such theoretical appHcations of theprinciple of motion, to the practicaHties of every-daymechanisms, we must… … HOW WORK IS DONE and in cogged and bevelled gearings. A momentsreflection will make it clear that the wheel is a leverof the first class, of which the axle constitutes the ful-crum. The spokes of the wheel being of equal length,weights and forces applied to opposite ends of any diame-ter are, of…
Industrial arts · Machinery
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