The inventions, researches and writings of Nikola Tesla : with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas C, Tesla, Nikola · The Electrical Engineer · leaf 473
htest increase of temperature . The end discs , < 1 < 7 , which are of sufficient thickness and , for the sake of cheapness , of cast - iron , are curved inwardly , as in dicated in the drawings . The extent of the curve is dependent on the amount of wire to be wound upon the armatures . In this… … Fig . 273 . Fig . 272 . up the hollow space to the line x x ; or , if the wire is wound in any other manner , the curve is such that when the whole of the wire is wound , the outside mass of wires , w , and the inside mass of wires , w ' , are equal at each side of the plane x x . In this case the…
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