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 162
RHEOSTAT Fig. 426.—Compound motor connections for starting from a distant point. A compoundwinding may be used on motors for many different purposes. If the current flow in thesame direction through both windings, then the effect of the series coil strengthens that ofthe shunt coil. This…
Electrical engineering
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