Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 115
and let us suppose all these pieces to be joined by piecesof copper, C D, to form one solid ring, around which are placedpermanent magnets, N S, with poles alternating with each other.Let us examine what will take place when this ring accom-plishes a revolution upon itself; and let us see, in the… … as in the Clark machine. This current will be instantaneous,and in a contrary direction to the Amperian currents in theinducing magnet It will be very powerful, by reason of theproximity of B to the jDole IST; but the ring, in passing on, causesa series of magnetic displacements between the pole N…
Electrical engineering
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