File:Tesla oscillators - Electrical Experimenter July 1919 p 228.jpg
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English: Collection of Tesla coils in 1919 built by the inventor, Serbian-American engineer Nikola Tesla. They consist of an induction coil or transformer, an interrupter to repeatedly interrupt the primary current, a capacitor, and a resonant air core transformer consisting of a few turns of heavy wire primary around a secondary of many turns of fine wire, connected to the high voltage binding posts. Some contained a vibrator interrupter, some a mercury interrupter. These small compact Tesla coils were produced by Tesla for industrial purposes such as powering his gas discharge lamps and for producing ozone for water purification. A technical article describing how they work and giving circuit diagrams is "Tesla circuit controllers for obtaining oscillatory currents of high frequency" in The Electrical Engineer, New York, Vol. 26, No. 538, August 25, 1898, p. 180-182 |
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| Source | Retrieved November 4, 2014 from Nikola Tesla, "Electrical Oscillators" in Electrical Experimsnter" magazine, Experimenter Publishing Co., New York, Vol. 7, No. 3, July 1919, p. 228 on http://www.americanradiohistory.com/ | ||||||||||||||||||||
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 09:26, 24 November 2014 | | 1,106 × 1,505 (419 KB) | Chetvorno (talk | contribs) | User created page with UploadWizard |
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