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 247
Fh.. I V, ami iiiaiiiitiic iiitliieiice. Tlie biilli lian^iiiiu >traiulif down fr<»ma wire, jiiid all objects beiiiii; remote from it, the a|i|)roach o1 theobserver at a few paces from the bulb will cause the brush to Hyto the op|)osite side, and if he walks around the bulb it willalways…
Electric currents, Alternating · Electrical engineering
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