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 108
Fi(is. 7^ iuid To. the magiK^tic conditions existing in this (-(nv at any j>()iiit, as /»,at or ncai the ccntrt, and any otlur j)(»int, as <(, neaivr the sur-face. When a current ini|)iilse is started in the magnetizing coilY, the section or part at if, being close to tlii ei»il, is…
Electric currents, Alternating · Electrical engineering
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