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 183
Fig. 37.—Smooth-Core Armature Body. and then chunped by a spider between theend plates P. In the early history of the art, armaturecores were constructed of solid masses ofsoft iron; but it was soon found that suchcores became intensely heated When re- 176 THE ELECTRIC MOTOR AND volved through the…
Electric motors
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