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Zusammenfassung
An excerpt from US patent issue #1329559, Fig. 4
Nikola Tesla (1856–1943) Serbian American inventor and engineer who discovered and patented the rotating magnetic field, the basis of most alternating-current machinery. He also developed the three-phase system of electric power transmission. He immigrated to the United States in 1884 and sold the patent rights to his system of alternating-current dynamos, transformers, and motors to George Westinghouse.
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Datum
03/02/1920
in sammlungen
Quelle
Wikimedia Commons
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public domain