File:Telharmonium - Scientific American 1907.png

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English: The Telharmonium depicted on the front page of Scientific American.
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Original publication: Scientific American, Vol. 96, No. 10, March 9th 1907

Immediate source: http://120years.net/the-telharmonium-thaddeus-cahill-usa-1897/
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Telharmonium_-_Scientific_American_1907.png

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current03:40, 23 May 2016Thumbnail for version as of 03:40, 23 May 20161,500 × 2,143 (1.53 MB)Techn0logist (talk | contribs){{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|The Telharmonium depicted on the front page of Scientific American.}} |Source = '''Original publication''': Scientific American...

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