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File:Reginald Fessenden and Fessenden oscillator, c. 1914.jpg

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Summary

Description
English: Reginald Fessenden and his Fessenden oscillator.
Date circa 1914
date QS:P,+1914-00-00T00:00:00Z/9,P1480,Q5727902
Source Own work
Author Daderot


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.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Reginald_Fessenden_and_Fessenden_oscillator,_c._1914.jpg

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Date/TimeThumbnailDimensionsUserComment
current23:48, 30 June 2018Thumbnail for version as of 23:48, 30 June 20181,148 × 1,800 (192 KB)DaderotUser created page with UploadWizard

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