Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 722
ivory, re-verses at every stroke the direction of the currents in the coils ELIAS ELECTRO MOTOR. 701 of tlie electro magnets. This macliine, while very ingenious, is,in point of efficiency, far behind many other electric motors. ELIAS ELECTRO MOTOR. Fig. 4:66 represents in section and fig. 467 in… … Fig. 465. six small blocks which project from the inner face of the ring,and which act as so many magnetic poles. On each of the sec-tions between the blocks is rolled a coil, of one thickness only,of copper wire of No. 18 B W Gr, enclosed in an insulating cas-ing of gutta-percha, giving to the…
Electrical engineering
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