Elements of mechanics: treated by means of the differential and integral calculus (1887)
Peck, William G[uy], 1820-1892. [from old catalog] · New York, Chicago, A. S. Barnes & company · leaf 131
he wheel, whichmay be utilized by any mechani-cal device. The conditions ofequilibrium are the same as forthe screw, the resistance in thiscase being offered by the wheel,in the direction of its circumference. Machines of this kind are used in determining the numberof revolutions of an axis. An… … Fig. 88. ELEMENTARY MACHINES. 127 at any instant. As an example, suppose the first wheel tohave 100 teeth, and to bear on its arbor a smaller wheel,having 10 teeth; suppose this wheel to engage with a largerwheel having 100 teeth, and so on. When the endlessscrew has made 10,000 revolutions, the…
Mechanics
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