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 492
al circuit. But since the current isforced to follow the lines of subdivision, we see that it will tendeither to energize or de-energize the field, and this will depend,other things being equal, upon the direction of the lines of sub-division. If the subdivision be as indicated by the full lines… … FiG. 2i».». Fi<i. 29G. dicated by the dotted lines, the current generated will tend toweaken the magnet. In the former case the machine will becapable of exciting itself when the disc is rotated in the directionof airow d; in the latter case the direction of rotation must boreversed. Two such…
Electric currents, Alternating · Electrical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
