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104:, Meissner, Alexander, "Einrichtung zur Erzeugung elektrischer Schwingungen (Equipment for production of electrical oscillations)", published April 10, 1913, issued June 23, 1919
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U.S. Patent No. 1,924,796. (filed: 16 March 1914; issued: 29 August 1933).
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http://www.britannica.com/eb/article-9051845/Alexander-Meissner
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Memorial plaque devoted to
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