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 444
the loss of magnetism that might result in thepermanent magnet by the action of heat. IMr. Tesla also providesfor lessening the volume of the heat or for intercepting the sameduring that portion of the reciprocation in which the coolingaction takes place. In the diagrams are shown some of the… … Fi(i. ^:w. Fifi. 231. Fi(i. 23;{. tioii M, and the spring oi the t(|iii\ alciit thereof iiaiiuh, aweight—is marked w. Ill Fig. 2M the permaueiil magnet .n is eonneeted with a lranu\\\ siip|)ortiiig the axis :sr, from which the arm i- hangs, and at thelower end of w hicli the ai-niatui-e a is…
Electric currents, Alternating · Electrical engineering
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