Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 317
1240. PULVERIZING BALL AND PAN MILL,—The pan is continually tilted by being swung aroundthe vertical centre, rolling the ball down the slope sideof the pan. 3o6 MINING. … 1241. REVOLVING PULVER-IZING MILL,—The material isreduced to a fine powder by thehigh-speed impact of the revolvingarms, within an iron casing. Frisbe-Loucop model. 1242. HYDRAULICBALANCED GIANTNOZZLE.—Used in hy-draulic mining for washingaway gravel banks. The nozzle turns on a movable joint at B…
Mechanical movements
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