File:Nikola Tesla's Egg of Columbus at 1893 Chicago Columbian Exposition World's Fair.png

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Summary

Description
English: 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.
Date
Source https://www.lab-tesla.org/egg.html
Author Unknown authorUnknown author
Camera location41° 46′ 58.8″ N, 87° 34′ 48″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Detail of this photograph.

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Nikola_Tesla%27s_Egg_of_Columbus_at_1893_Chicago_Columbian_Exposition_World%27s_Fair.png

Captions

Nikola Tesla's electric motor demonstration at the1893 Chicago Columbian Exposition called the "Egg of Columbus"

coordinates of the point of view

41°46'59"N, 87°34'48"W

media type

image/png

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Date/TimeThumbnailDimensionsUserComment
current02:52, 27 March 2020Thumbnail for version as of 02:52, 27 March 20201,800 × 1,445 (1.35 MB)Fountains of Bryn MawrUploaded a work by unknown from https://www.lab-tesla.org/egg.html with UploadWizard
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