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Scientific American, Vol. 15, No. 17 (1866) (1866)

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An illustration from Scientific American, Vol. 15, No. 17 (1866), 1866, leaf 0
oe per Annum, Vol. XV.---No. neat NEW YORK, OCTOBER 20, 1866. IN ADVANCE.] (NEW SERIES.] the chute is placed in the position shown in the en- Improved Elevator for Mines. graving, which closes the front opening of the chute The business of mining in this country has grown and allows the water or…

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