Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 344
1372. COMBINED PUNCHAND SHEARS in one frame anddriven from one shaft. Each con-trolled by a treadle. 1373. SUSPENDED SWING TREADLE.—The foot takes a circular motion; no deadcentre. MILL AND FACTORY APPLIANCES. 333 … 1374. POWER RUMBLING MILL, for cleaning sand from castings, pol-ishing metal articles by tumbling withsand, charcoal, leather scrap, or anypolishing powder. 1375. CENTRIFUGAL SEPARATOR, for removing oil fromiron chips and turnings. The iron pan A is fixed to the spindle and pulley. The unequal…
Mechanical movements
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