File:Tesla Colorado Springs lab-magnifying transmitter with metal ball.jpg
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English: Nikola Teslas magnifying transmitter, a huge Tesla coil, in operation at his Colorado Springs laboratory in 1899-1900. The source says it generated around 12 million volts at a frequency of 100 kHz with an input power of 300 kilowatts. The Century Magazine article says:
|Source||Retrieved April 3, 2015 from http://teslaresearch.jimdo.com/colorado-springs-lab-1899-1900/. First published in Nikola Tesla, "The Problem of Increasing Human Energy", Century Magazine, The Century Co., New York, June 1900 fig. 8 Also appears in Samuel Cohen, "Lightning made to order" in Electrical Experimenter magazine, Experimenter Publishing Co., New York, Vol. 4, No. 7, November 1917, p. 474, fig. 2|
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