Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 391
o (Constant Potential)—Action of the Shunt Dynamo—Action of the Series Dynamo(Constant Current)—Compound Machines (Constant Potential)—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… … Fig. 355.—Bipolar Field Magnets. other makes, and the Manchester type of fields are verycommon forms. In the inverted horseshoe type the winding may be either uponthe yoke as A, Fig.355, or upon eachlimb, as C, in thesame figure. Theyoke thus serves asa bed-plate for themachine as well asto conduct…
Electricity · Magnetism
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