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 932
Fig. 12.—Leffel wheel. downward through a single central draft tube of large capacity. The changes in generaldesign of the standard Leffel wheel which have been made of late years, consist in widergates and correspondingly wider buckets. This arrangement secures a greatly enlargedcapacity for… … PtItiJii w h(_cl The Pelf on Wheel—A novel type of wheel of a very different form from the turbine hasbeen recently introduced on the Pacific Coast. It is applicable to very high heads and smallstreams of water, and has given very good results. It might be approximately described as having the…
Mechanical engineering
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