The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 65
n. 171. How does the velocity of the wheel compare with that of the axle? Towhat is this velocity in propor.ion ? Is any advantage taken of this, in drivingmachinery where the speed is to be increased or diminished? How would rapidmotion be produced > Slow motion ? Explain figure 33. 172. What… … Illustration. Fig. 34represents a connexionof cogged wheels. Thewheel B being movedby «? string around itscircamference is a sim-ple wheel without teeth.Its axis being furnishedwith cogs or leaves towhich the teeth of thewheel D are fitted, com-municates its motion toD, which, in like man-ner,…
Physics
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