Word: crusher
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Dates: during 1900-1909
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...sampling department will show the various constituents of the ore and will consist of a crusher, rolls, and automatic sampling machine. The concentration department will be made up of fine rolls to crusher the rock, revolving screens to sift it, and jigs in which to wash the ore free from the rock. The ore which will remain too fine for the jigs will be subsequently treated on slime machines, which will show what machine should be used for the different ores. The stamping division will have a complete but simple set of machinery...