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 113
nets, placed on afixed frame, attracted and were attracted byelectromagnets placed on a moving frame.Davenport perfected his motor to an ex-tent which enabled him to apply it to thedriving of a printing press, and to theoperation of a small model of a circularrailway, which he exhibited at… … Fig. it.—Ritchies Motor. preceding principles. Ritchies motor isshown in Fig. 17. Here a movable elec- 106 THE ELECTBIC MOTOR AND tromagnet A B^ is caused to continuouslyrotate under the mutual interaction of itsflux and the flux produced by a perma-nent magnet N S. Suppose the electro-magnet to…
Electric motors
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