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 79
gedforward by an electromotive force equal to the electromotiveforce tending to force it back, and therefore, no current willpass in or out through the brushes. From these considerationsit is obvious that the proper position for the brushes would be COMMUTATION AND THE COMMUTATOR 291 in the normal…
Electrical engineering
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