Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 712
Fig. 458. able of oscillating between the two branches of an electro magnet,E, represented separately in the figure. A current, on being sentinto the electro magnet, passes through an eight cupped mercurial … Fig, 459. 692 THE ELECTRICAL TRANSMISSION OF TOWER. commutator, C, controlled by the oscillating magnet by meansof a rod, t, and a fork, F. As a result of this arrangement, whenthe permanent magnet has been attracted toward one of the polesof the electro magnet this very motion of attraction,…
Electrical engineering
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