Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 317
1244. KLONDIKE MIN-ING MACHINE.—The gold-bearing gravel is shovelledinto the hopper and is fed tothe riffle pan, which is vibratedby 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
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