Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 130
fficiently clear. After what has been said above it will be evident thatthe proper function of the field magnets in a dynamo ormotor is to produce lines of force which pass across thearmature core. All other lines which miss the armatureare useless and may even be detrimental to the workingof the… … Fig. 34. GOOLDEN AND TROTTER. NDE;
Electric power production
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