Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 354
1428. BOGARDUS MILL.^Grooved steel discs running eccen-tric to each other. Largely usedfor grinding paints and drugs. 1429. Plan showing grooves. 1430. CIRCULATING SCREW PRO-PELLER AND MIXING TANK.—Is used in various forms in laundries, soapcrutching, and oil refining. 1431. DOUBLECYLINDER…
Mechanical movements
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