File:Tapping coherer.jpg: Difference between revisions

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imported>Thomas H. White
({{ Information |Description= Drawing of a tapping filings-coherer radio detector. |Source= Appeared as an illustration in the article "Radio Detector Development" by H. Winfield Secor, published in the January, 1917 issue of "The Electrical Experimenter". |Date= Estimated: [1917] |Author= "The Electrical Experimenter" (Commercial publication.) |Permission= "See licensing data below" }})
 
imported>Thomas H. White
m (Expand licencing information)
Line 12: Line 12:
     |Author= "The Electrical Experimenter" (Commercial publication.)
     |Author= "The Electrical Experimenter" (Commercial publication.)


     |Permission= "See licensing data below"  
     |Permission= "See licensing data below" (This illustration was published in the United States prior to January 1, 1923)





Revision as of 19:47, 25 May 2007

Summary

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Licensing/Copyright status

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This media, Tapping coherer.jpg, is in the public domain

You may freely copy, distribute, display and perform this work, as well as make derivative and commercial works.

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current19:54, 11 March 2022Thumbnail for version as of 19:54, 11 March 2022733 × 556 (80 KB)Maintenance script (talk | contribs)== Summary == Importing file

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