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 471
Tesla. The armature is c(Ui>trucle<| with the view to reduce to a min 4r)2 ISVENTIONS OF MKOI.A ThS/.A. iiiium tlic less <»f power due to Foneault currenti? and to thechan<^e of polaritv, and also to sliorten as niucli as possiltle thelenj^th of the inactive win- wound ujxm the arnmtiuv… … Fig. 271. a waste of jiowei-. Owinj; to the mutual action of the lines offorce, the mat^netic jtroperties of iron, and the speed of the dif-ferent portions of the armature core, these currents are generatedprincipally on aiul near tlie snrface of the armature core, dimin-ishiiii:; in strength…
Electric currents, Alternating · Electrical engineering
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