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Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)

Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 391

An illustration from Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book, 1903, leaf 391 — ial)—Compound Wound Dynamos in Parallel-The Equalizer-Questions and Problems. 345. Bipolar Field Magnets.—In the smaller size ofdynamos employing a two-pole or bipolar field, the magneticcircuit has been designed in a variety of forms; thehorseshoe type of field, asused in the Edison bipolardynamo;… … Fig. 355.—Bipolar Field Magnets.

Electricity · Magnetism

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