Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 234
in, Trans-actions of the American Institute of Electrical Engineers, Vol. 21, page 589, I903 f It will be found convenient later to consider the three electromotive forces A, Band C to be 120° apart in phase, the change being merely a matter of the choice ofsigns. See Art. 118. THE POLYPHASE…
Dynamos · Electric motors
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
