File:Fessenden oscillator.jpg

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Fessenden_oscillator.jpg (400 × 327 pixels, file size: 66 KB, MIME type: image/jpeg)

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Description
English: Fessenden oscillator.
Date circa 1915
date QS:P,+1915-00-00T00:00:00Z/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:Fessenden_oscillator.jpg

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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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Date/TimeThumbnailDimensionsUserComment
current23:48, 30 June 2018Thumbnail for version as of 23:48, 30 June 2018400 × 327 (66 KB)Daderot (talk | contribs)User created page with UploadWizard

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