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 178
e hands to protect them from receivingsmall burns. If the frequency is still more increased, then the coil refusesto giye any spark unless at comparatively small distances, and thefifth t)^ical form of discharge may be observed (Fig. 103). Thetendency to stream out and dissipate is then so great…
Electric currents, Alternating · Electrical engineering
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