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 321
hiteness of the light emitted by thearc naturally induced great efforts to utilize it practically. Although Davy demonstrated that electricity could be used for lighting,the expense of the battery and maintenance of same was prohibitive,hence no further progress was made until a suitable method was… … Pig. 3,323.—Faradays dynamo which embodies his discovery in 1831 of electro-magnetic induc-tion, the principle upon which all dynamos work, as well as induction coils, transformers,and other electrical apparatus. All dynamos or alternators are based on Faradays discovery,which may be stated as…
Electrical engineering
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