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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 455

An illustration from The inventions, researches and writings of Nikola Tesla : with special reference to his work in polyphase currents and high potential lighting, 1894, leaf 455 — A - JVTT - SPARKINC MUSHES AND COMMUTATORS . 435 249 and 250 are views of details of Fig . 2 + 8 . Ins ' . 251 is a hnnri - tudiual central section of another modification , and Fig ' . 252 is a sectional view of the same , a is the end of the armature - shaft of a dynamo - electric machine or… … Fig . 248 Fro , 249 . Fig . 250 . The commutator proper is in the form of a disc which is made up of four segments » id a o ' , similar to those shown in Fig . 2 + 8 . Two of these segments , as i > o ' , are of metal , and are in electrical connection with the ends of the coils on the armature .…

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