Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 212
Fig. 207.—Vibrating contact regulator for a variable speed generator. in parallel. The generator then delivers current to the batteryand to the lamps which current, flowing through the coil b, addsto the pull of the magnet and helps to keep the switch S closed.As the speed of the generator…
Electrical engineering
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