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Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)

Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 283

An illustration from Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries, 1914, leaf 283
729. DRY GOLD MINING MACHINE. The hand crank wheel, the vibrator, and theblower for blowing off the dust and sand fromthe riffle table are the leading features of thisnovel dry placer machine. Gold sand is fed tothe hopper above and shaken in a thin sheet tothe riffle through a blast of air. Air is…

Mechanical movements

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