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Scientific American, Vol. 80, No. 4 (1899) (1899)

leaf 4

An illustration from Scientific American, Vol. 80, No. 4 (1899), 1899, leaf 4
g engraving the slime losses are con- ty-five tons of ore in twenty-four hours with screens of siderably reduced, and the stamps are moved not only turned out by subsidized Siberian foundries. Every vertically, but are also rotated. sixty-mesh fineness. seven miles a side track is being built, so… … Both tables may be adjusted vertically, horizontally, “A great deal of harm has been done lately by ad- PARKER’S ROTARY ORE-STAMPING MILL. and to the circle of the head independently, or may be venturers who come here from the United States with drawn clear back from the cutter-head, to give free a…

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