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 212
of coils ofwire, usually of iron, mounted in a suit» 204 THE ELECTRIC MOTOR AND able frame, and connected witli contactstrips in such a manner as to permit theirready insertion or removal from the circuitby the movement of a handle. … Fig. 55.—Stakting Rheostat. A form of starting rheostat is shownin Fio;. 53. Here coils of iron wire aremounted on a suitable frame and con-nected in series. By turning the switch/Sy over the contact points, a greater orsmaller number of these coils may be THE TKANSMTSSIOX OF PO^VER. 205
Electric motors
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