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 188
efinitedirection, and that in a very highly exhausted globe it ceasesaltogether. The possibility of bringing a body to incandescencein an exhausted globe, or even when not at all enclosed, wouldseem to afford a possible way of obtaining light effects, which,in perfecthig methods of producing… … Fig. 112a. wluii tliise high tretjuencies and eiioninni.-- potc-ntiul.> are uslmI,the best iiisiilati(»M is apt to give way. Tsually the coil is insu-hitcd well enough to stand the strain from convolution to conv«»-lutioii, since two double silk covered jjaratfiiud wires will with-stand a…
Electric currents, Alternating · Electrical engineering
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