Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 58
147. FRICTION MACHINE, for testingthe friction of wheels at various speeds andloads. The adjustable circular balance holdsthe wheels or vehicle in place. The poundstension on the scale multiplied by the periph-eral velocity in feet per minute gives the foot-pound draft or friction. so MEASUREMENT…
Mechanical movements
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