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Patent drawing - Teslapatent454622 - . Public domain image
Summary
System of Electric Lighting.
Public domain photograph related to electrical equipment, industrial development, 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.
Date
23/06/1891
Source
USPTO
Copyright info
public domain
