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 202
s-covered and located by passing a strong current from a battery oranother dynamo through each of the coils in turn, and observingthe relative magnetic effects produced by each upon a bar of ironheld in their vicinity. The short circuit may be in the terminals or connections, and theseshould first… … Pig. 699.—Watson armature complete. The armature coils are form wound, heavily insulatedand so mounted on the core as to insure rapid dissipation of heat by ventilation. Eachcoil is protected by an insulating sheath and tape covering before mounting. The arma-ture is baked after the coils are…
Electrical engineering
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