File:EdwinHowardArmstrong.jpg

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Original file ‎(1,064 × 1,404 pixels, file size: 768 KB, MIME type: image/jpeg)

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English: Edwin Armstrong, FM radio inventor
Date circa 1954
date QS:P,+1954-00-00T00:00:00Z/9,P1480,Q5727902
Source http://www.photolib.noaa.gov/htmls/pers0077.htm
Author Unknown authorUnknown author

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Public domain
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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Date/TimeThumbnailDimensionsUserComment
current06:59, 1 April 2020Thumbnail for version as of 06:59, 1 April 20201,064 × 1,404 (768 KB)Opencooper (talk | contribs)Crop and grayscale
17:33, 6 October 2016Thumbnail for version as of 17:33, 6 October 20161,064 × 1,544 (1.2 MB)Clpo13 (talk | contribs)higher resolution from source site
19:42, 6 July 2006Thumbnail for version as of 19:42, 6 July 2006700 × 1,015 (340 KB)Chico (talk | contribs)'''Edwin Armstron''', FM radio inventor http://de.wikipedia.org/wiki/Bild:EdwinHowardArmstrong.jpg http://en.wikipedia.org/wiki/Image:EdwinHowardArmstrong.jpg {{PD}} category:Inventors

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