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World's Columbian Exposition, 1893
The World's Columbian Exposition was held in Chicago in 1893. Remembered for the demonstration of Tesla's and Westinghouse's (as the implementer and financier) of the alternating current system.
Greetings from MojTim!
Nikola Tesla PHOTO: http://tesla.sveznadar.info
mojTim 2020-2021, BL December 2021.