File:Radio receiver 1914.jpg

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Description
English: universial radio receiving apparatus
Date
Source Verhandlungen der Naturforschenden Gesellschaft in Basel, 1914, page 155
Author Hans Zickendraht
Permission
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Public domain
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.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Radio_receiver_1914.jpg
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current20:31, 16 October 2010Thumbnail for version as of 20:31, 16 October 20101,772 × 1,213 (274 KB)Allesmüller~commonswiki (talk | contribs){{Information |Description={{en|1=universial radio receiving apparatus}} |Source=Verhandlungen der Naturforschenden Gesellschaft in Basel, 1914, page 155 |Author=Hans Zickendraht |Date=August 1914 |Permission={{PD-1923}} |other_versions= }} [[Category:El

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