Nikola Tesla's Egg of Columbus at 1893 Chicago Columbian Exposition World's Fair
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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Tags
inventors
nikola tesla
electricity
induction motors
items displayed at the worlds columbian exposition 1893
Date
1893
in collections
Location
Source
lab-tesla.org
Link
Copyright info
public domain