Motor-Driven Booster

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A motor-driven booster made by the General Electric Company. A booster is a motor generator (MG) set that regulates voltage in DC circuits. M is the shunt-wound motor, B is the series booster, and S is a shunt across the field of a booster. t is a switch

Source

International Correspondence Schools A Textbook on Electric Lighting and Railways (Scranton, PA: International Textbook Company, 1901)

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