Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 211
^Paa/V … mum FIELD WINDING MAIN CIRCUIT Fig. 194.—Regulation of shunt dynamo by method of varying the field strength A rh>ostatis placed in series with the field coils, and by varying the resistance, more or less currentwill flow through the coils, thus regulating the field strength. The field magnets of…
Electrical engineering
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