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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 284

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 284
725. AUTOMATIC ORE SAMPLER.The revolving hopper has one or more smallaprons in its periphery which divert a smallportion of the ore passing through the samplerto the sample spout. The ore is still furthercrushed and passed through a second andthird sampler, so as to obtain a fair sample tothe one… … 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. 280 MIXING DEVICES AND APPLIANCES.

Mechanical movements

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