Tesla's oscillator

An oscillator that was among the exhibits Tesla demonstrated at the World's Columbian Exposition in 1893.

Tesla's electro-mechanical oscillator is a steam-powered electric generator patented by Nikola Tesla in 1893.^[1]^[2] Later in life, Tesla claimed one version of the oscillator caused an earthquake in New York City in 1898, gaining it the colloquial title "Tesla's earthquake machine".

^ W. Bernard Carlson (7 May 2013). Tesla: Inventor of the Electrical Age. Princeton University Press. pp. 181–185. ISBN 1-4008-4655-2.
^ Reciprocating Engine, U.S. patent 514,169, February 6, 1894.

[books.google.com-1] W. Bernard Carlson (7 May 2013). Tesla: Inventor of the Electrical Age. Princeton University Press. pp. 181–185. ISBN 1-4008-4655-2.

[2] Reciprocating Engine, U.S. patent 514,169, February 6, 1894.

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