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 459
>r«)portion t<» the demands in the workinir circuit. IMie parts m … jm Fig. 254. and m of the tichl wire may he wound in the >ame direction.In thi.s case they are arranged as shown in Fig. 258; or the partM may he wound in the opposite direction, as shown in Figs.2.>4 and :>:.:.. It will he apparent that the respective.cores oi the Held-mag-iicts are…
Electric currents, Alternating · Electrical engineering
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