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 187
s winding in j^lace, following the grooves.At 6, the complete and covered armatureis sho^vn. Fig. 39, sho^vs a method ofassembling toothed-core armatures upon ashaft, so as to form, when completed, a THE TRAINSMISSIOIS OF POWER. 179 drum armature. Here S, S, is the shaft,O, the assembled discs, and… … Fig. 40.—Completed Smooth-Coke Armature. a continuous cylindrical surface, but in thesmooth-core armature this surface isformed entirely of insulated wdre whichcompletely covers and hides the iron core.In the toothed-core armature, however, theiron teeth or projections extend to the sur-face, and…
Electric motors
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