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 378
Fic. 191. Fui. \\vi. ff)r Kutficienl ciici-tN iiia\ be transmitted throui^-h the fflass itself\)\ iii(hi(tive action to render the button incandescent. Next I take a higlily exhausted hulh containuig a stronglyphosphorescent Ixxly, al»ovi which is mounted a small plate ofaluminum on a platinum wire…
Electric currents, Alternating · Electrical engineering
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