Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 923
den dropped from an efficiency of 7!) per cent, at full gate to 44percent, with lia|f water ; and the Houston from 81 ))ercent. to 33 per cent. ; the Risdon falls from 87 per cent, to 70 per cent., and the Hercules from 87 per cent, to 74 percent., in Professor Thurstons best test. The Kisdon… … Fig. 2.—The Risdon wheels ;a ihc Jflltr.-on mill shaft, with couplings between the 43-in. and the 36-in., so that the latter, which draw waterfrom a lower level, can be disconnected if desired. The head on the 43-in. wheels is 49 ft.;that on the 3(i-in. ones is 28 it., giving them the same…
Mechanical engineering
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