Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 958
. 4266 represents the Leffel wheel in its casing and ready for attachment to machinery to be WATER-WHEELS, TURBINE. 923 driven. A section of the wheel showing its mode of construction appears in Fig. 4267. Fig. 4268shows the method of setting the wheel. Fig. 4269 represents the Leffel wheel… … together. A movable cap is provided, so thatthe wheel can be lifted bodily out. Above thecap is a bridge-tree carrying a broad oil-bearingfor the support of the wheel-shaft, to which aclutch-coupling is attached. In the cover are stuffing-boxes through which the gate-rod and water-wheel shafts…
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