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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
726. PNEUMATIC CON-CENTRATOR. The vibrationof the vanner and concentra-tion of gold sands is done byshort, quick strokes of airpumps or bellows beneath thetable which are operated by thecrank shaft. 28o MINING DEVICES AND APPLIANCES. … 727. ORE CAR ON A TRANS-FER TRUCK. The transfer truckhas an open platform through whichthe ore is dumped by dropping thef=^ bottom of the ore car, which is heldby chains and a windlass. 728. DRY PLACER GOLD SEPARATOR. Edison type. Therevolving roller, b, discharges the gravel from the hopper, a,…

Mechanical movements

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