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 65
it the eore k to be turne<l to and held at anv desiredpoint. A handle, (;, secured to the projectin<; end of the shaftI), is provided for this purpose. In FiiT. 3H let n re]>resent an ordinary alternatini; current gen-erator, the field-niaa:nets of which are excited by a suitable>ource…
Electric currents, Alternating · Electrical engineering
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