Scientific American. OCTOBER 5, IQOI. 216 ELECTRICITY IN GOLD MINING. Theze giants are used, first to sluice material from First here there are iron plates the saprolite belt; and, second, to eut out ore from BY PROF. WILBER COLVIN, LL.D. The Crown Mountain Gold Mining Company, of the veins where … ter to the mill is chrome steel shoes, dies and cams. The mill is so about 10 cents about 4 feet long in the bottom of the flume. These plates are full of round holes % inch in diameter; through these some .of the water and finer matter fall about 4 feet to another flume beneath, that leads direct…
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