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Show MOTOR DRIVES TOOL GRINDER Electrical Device Eliminates All Complicated Com-plicated Belts and Gears Current Cur-rent Started by Switch. An electrical device for grinding tools in a shop or factory Is shown in the illustration. In this grinder there are no complicated com-plicated belts or gears, the emery wheel being connected directly to the motor. Current is consumed only when actual work is being done, as the grinder may be stopped or started by Motor Drives Grinder. the turn of a switch. Full speed will be attained in about one second after the current has been switched on. Any standard grinding wheel may be attached to the machine. |