File:Glow Transmitter - Ready for Broadcasting - St. Nicholas Magazine.jpg

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Glow_Transmitter_-_Ready_for_Broadcasting_-_St._Nicholas_Magazine.jpg (425 × 470 pixels, file size: 49 KB, MIME type: image/jpeg)

Captions

Captions

The new "glow transmitter" ready for broadcasting, the sound impulses entering the small perforations in the center and impinging upon the glow inside, thereby translating sound impulses into electric speech

Summary

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Description
English: Caption reads (in full): The new "glow transmitter" ready for broadcasting, the sound impulses entering the small perforations in the center and impinging upon the glow inside, thereby translating sound impulses into electric speech
Date
Source https://archive.org/details/st.-nicholas-v-50-n-12-1923-10-sas/page/1274/mode/2up
Author Various

Licensing

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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:Glow_Transmitter_-_Ready_for_Broadcasting_-_St._Nicholas_Magazine.jpg

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Date/TimeThumbnailDimensionsUserComment
current17:01, 2 December 2022Thumbnail for version as of 17:01, 2 December 2022425 × 470 (49 KB)LiteralHorses (talk | contribs)Uploaded a work by Various from https://archive.org/details/st.-nicholas-v-50-n-12-1923-10-sas/page/1274/mode/2up with UploadWizard

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