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Patent Drawing of Engine - US390721 Public domain image

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Public domain scan of technical drawing, 19th-20th-century, free to use, no copyright restrictions image - Picryl description

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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patents patent drawings us patent office 1900 s diagrams 1900 s technical drawings diagrams from works by nikola tesla patents by nikola tesla united states patent drawings inventions
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1900
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Nikola Tesla (1856–1943)

Serbian-American inventor
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patents patent drawings us patent office 1900 s diagrams 1900 s technical drawings diagrams from works by nikola tesla patents by nikola tesla united states patent drawings inventions