File:Frederick A. Kolster.jpg

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English: Frederick A. Kolster, with his invention, the radio detector
Date
Source National Magazine, March 1916 (43), page 945
Author American Press Association
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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.
United States
United States
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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current15:46, 7 August 2010Thumbnail for version as of 15:46, 7 August 20101,464 × 1,192 (354 KB)Allesmüller~commonswiki (talk | contribs)bleached
11:37, 7 August 2010Thumbnail for version as of 11:37, 7 August 20101,464 × 1,192 (267 KB)Allesmüller~commonswiki (talk | contribs){{Information |Description={{en|1=Frederick A. Kolster, with his invention, the radio detector}} |Source=National Magazine, 1915 (43), page 945 |Author=American Press Association |Date=1915 |Permission={{PD-US}} |other_versions= }} [[Category:History of

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