Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 495
were connected to another alternator,C and I) would be points with similarly changing polarity.If. now. both alternators be worked at the same time, butso arranged that the current through cd is a quarter periodbehind that in ah. the poles at A and B will travel about thering in the direction ADBC.… … MOTOR DYXAMOS. 485 Rotating fields can be produced by various other combinationsof currents, and have been successfully applied to the con-struction of self-starting motors of high efficiency. The revolving part of such machines, technically knownas a rotor, is a sort of wire cage built up on a…
Physics
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