Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 315
1244. KLONDIKE MIN-ING MACHINE.—The gold-bearing gravel is shovelledinto the hopper and is fed tothe riffle pan, which is \ibratedby the pump handle. Thepump supplies water to the- riffle pan. from which it falls into the settling pan beneath, and is kept from freezing by a fire underneath.… … MINING. 307
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.