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Nikola Tesla's Egg of Columbus at 1893 Chicago Columbian Exposition World's Fair

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Summary

Nikola Tesla's "Egg of Columbus", a device used by the inventor to demonstrate the rotating magnetic field that drove his new alternating current induction motor by using that magnetic field to spin a copper egg on end.

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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inventors nikola tesla electricity induction motors items displayed at the worlds columbian exposition 1893
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Date

1893
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Nikola Tesla (1856–1943)

Serbian-American inventor
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lab-tesla.org
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https://www.lab-tesla.org/
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public domain

label_outline Explore Items Displayed At The Worlds Columbian Exposition 1893, Nikola Tesla

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inventors nikola tesla electricity induction motors items displayed at the worlds columbian exposition 1893