Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 313
1243. COAL DUST PRESS forbituminous coal. The fine dust is feddown from a hopper. The nozzle has aslight taper, which gives the ram suffi- cient resistance to produce a solid cake at each stroke. … 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 theriffle pan, from which it falls into the settling pan beneath, and is kept from freezing by a fire underneath. Lancaster…
Mechanical movements
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