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 103
Ki<i. i^^*. Ki.;. r,«i. i: I!, op|)ositely located polt-]>ieces ada|)tcd to receive the coils olone energi/.ing circuit; an<l c c, similar pole-pieces for the coilsof ihe other energi/.ing circuit. Tlioc <ir(uit> arc designated,res|)ectivelv, b\ i> i;, the c<»nductor n fornnng…
Electric currents, Alternating · Electrical engineering
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