Coal-Cutter Chains and Picks

THE modern coal cutter is a highly developed, and to a certain extent a somewhat complicated, machine. The requisite power to cope with conditions as found must be generated by the motor with due regard to limitations in the matter of dimensions and weight. This imposes the necessity of relatively high speeds of rotation.
Keywords: Coal, Cutter, cutter, Dominion Coal Company, jib, stellite, tungsten carbide, Cutters, Materials, mining, Power, steel, Steels
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