Audion Piano: Revision history

5 July 2018

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12 April 2017

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29 December 2015

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22 July 2014

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5 January 2012

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14 December 2010

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16 December 2009

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9 September 2009

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4 August 2009

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23 January 2009

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5 December 2008

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15 September 2008

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14 September 2008

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3 September 2008

• curprev 14:2814:28, 3 September 2008‎ SHH talk contribs‎ 2,161 bytes +2,161‎ New page: == Audion Piano<br> == <pageby nominor="false" comments="false"></pageby>; <br>Lee De Forest, inventor of the triode electron tube, the Audion, also invented one of the first electronic...