Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 588
Since an alternating current dynamo does not produce a con-stant magnetic field, alternating dynamos, in general, areseparately excited. Such are the West-inghouse and the Thomson-Houston incan-descent-lighting dynamos* Fig. 454 is a series di/navio, where thecoils of the field magnet are joined…
Physics
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