The electric motor and the transmission of power (1906)
Houston, Edwin J. (Edwin James), 1847-1914, Kennelly, Arthur E. (Arthur Edwin), 1861-1939, joint author · New York : McGraw Pub. Co. · leaf 353
hey are ofthe multiphase type, so as to permit themto start from rest. Fig. 110 shows a Gatling gun, in whichan electric motor is employed for the pur-pose of operating the breech mechanism.The certainty and precision with whichthe motor will introduce and release thecartridges, renders this… … Fig. 110.—Gatling Gux. Operated by ElectricMotor. exceedingly convenient means for drivingsuch drills, when electric power is avail-able. Their use in mining districts has 346 THE ELECTRIC MOTOR AXD come into favor, owing to the fact that thesolid core of the rock mined is broughtout by this drill.…
Electric motors
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