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 40
as in fig. 532, up on the left side and down on the right. GALVANOMETERS 459 The position of the coil when no current is flowing is indicatedby n s. By applying the law of mutual action between mag-netic poles, it is seen that when the current is applied, the polesdeveloped at n s will move into…
Electrical engineering
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