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 500
together Avith that sho^vn in Fig. 299, wasexhibited at the same lecture, in ^lay, 1888. They werethe first rotating field motors which were independently tested,having for that purpose been placed in the hands of Prof. An-thony in the winter of 1887-88. From these tests it was shownthat the… … Fig. 299. some time ago handed over to the care of Prof. Ayrton in Eng-land. This model was originally provided with twelve independ-ent coils; this number, as Mr. Tesla pointed out in his first lec-ture, being divisible by two and three, was selected in order to makevarious connections for two and…
Electric currents, Alternating · Electrical engineering
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