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- · New York, T. Audel · leaf 140
T have a large number of poles and inductors inorder to obtain the desired frequency, without excessive speed,and electro-magnets instead of permanent magn-. (ONE REVOLUTION!\ FN CVOLES J … Fig. 1,371.—Developed view of elementary single phase four pole alternator and sine cuntshowing the alternating current or pressure generated during otic i The arma- ture is here shown as a flat surface upon which a complete view i:ng is seen. If M be any position of an inductor, by projecting up…
Electrical engineering
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