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 533
ter charge between the terminals. ELECTRO-THERAPE UTICS 3,187 Ques. What precaution should be taken in operatinginfluence machines? Ans. Great care should be taken to maintain their insulation,especially during damp weather, so as to reduce the leakage toa minimum. The different parts and… … Fig. 4,603.—Medical induction coil, or faradic battery set. In operation metallic tube Ais moved over the surface of the secondary coil. The latter is practically an independentsecondary coil made up of a single turn, having a very low resistance. Its presence has areactive influence on the primary…
Electrical engineering
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