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 238
air.The coil here used is immersed in oil, and the ends of thesecondary reaching out of the oil are covered with an air-tightcover of hard rubber of great thickiiess. All cracks, if thereare any, should be carefully stopped up, so that the brush dis-charge cannot form anywhere except on the small… … Fi(i. 14U. Tlie ])oteiitial may be raised by increasing, as far as the experi-menter jiulges proper, the rate of chaiigi <>f the primary cur-Iciit. With a coil not widely dilVfi-iiig tVoiii the prtsiiit, it isbest to eoiiiiect the two |)rimaries in miiltipkarc ; but it thesecoiidjiiT should…
Electric currents, Alternating · Electrical engineering
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