Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 88
his wheelseventy per cent, of the force has been used. 277. The Breast Wheel, Fig. 99, utilizes both the mo-mentum and the weight of the wa-ter. It consists of a wheel fittingclosely to a race-way, and the waterpours over the dam at a point as lowas the centre of the wheel. Thewheel is carried… … Fig. 99. 278, The Turbine is the most effective water wheel thathas yet been devised. In some well conducted experimentsat Lowell, Mass., it utilized about ninety per cent, of thepower of the water. Of course, in practical use, the wheelfalls far short of working with so small a loss as is…
Physics
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