The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas Commerford, 1856-1924, Tesla, Nikola, 1856-1943 · New York : The Electrical Engineer · leaf 434
re of coils e f obtained from tlie per-manent magnets. The previous illustrations have all shown the two branches orpaths containing the translating or induction de\ices as in deriva-tion one to the other; but this is not always necessary. Forexample, in Fig. 226, a is an alternating-current… … FiG. 225. positions witli the electrical source or induction device in onebranch only, while the two groups taken together form theobvious equivalent of the cases in which an induction device orgenerator is included in both brandies. In one of the paths, asD, are included the devices to be…
Electric currents, Alternating · Electrical engineering
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