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 140
MOTOR6EN ERATO R--4V^V … Figs. 4,019 to 4,022.—Classes of starter systems. Fig. 4,019, one unit system; fig. 4,020, twounit system; fig. 4,021 so called two unit system; fig. 4,022, so called three unit system. These several systems comprise respectively: 1. A motor-dynamo; 2. A motor and a dynamo; 3. A motor, a dynamo,…
Electrical engineering
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