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 398
e field magnet is built up of two circular partsH II, formed with annular grooves i, which, when the two partsare brought together, form a space for the reception of the ener-gizing coil G. The hubs of the cores are trued off, so as to fitclosely against one another, while the outer portions or… … Fit; ^Uti. but there miiftt exist between them and tla- radial purti»>n> ntthe conductor d certain relation, which will be understood byreference to Fig. !i<»T in which n n ivprosent the projections orpoints on one face of the core of tlie Held, and s s the points ofthe other face. The…
Electric currents, Alternating · Electrical engineering
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