Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 220
transferred through the cir-cumferential gear to a jack shaft, usu-ally placed below the gates; a plankcase called the breast is set outsidethe wheel with but little clearancefrom the gates to within a few feetof the bottom of the wheel. Wheelsof this class, where water is broughtover the top of… … 204 MECHANICS. proportioned, give a good percentage of effect, but occupy considerable space, and thespeed of the gear is slow. Fig. 398 is one of the earliest improvements of the reactor, the Scotch wheel; theprinciple is that of the sky-rocket. It is very simple in construction; the central…
Mechanical drawing
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