The inventions, researches and writings of Nikola Tesla : with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas C, Tesla, Nikola · The Electrical Engineer · leaf 116
g motor ; Fig . 79 an end view and part section of the torque or double - circuit motor ; Fig . 80 a diagram of the circuit connections employed ; and Figs . 81 , 82 , 83 , 84 and 85 are diagrams of modified dispositions of the two motors . Inasmuch as neither motor is doing any work while the… … the same base d . The preferably larger synchronizing motor has polar projections on its armature , which rotate in very close prox imity to the poles of the field , and in other respects it conforms to the conditions that are necessary to secure synchronous action . The pole - pieces of the…
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