File:The Isolator.jpg

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Original file (1,505 × 1,049 pixels, file size: 872 KB, MIME type: image/jpeg)

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Description Page from Science and Invention
Date
Source [1]
Author Experimenter Publishing
Permission
(Reusing this file)		 Science and Invention ceased publication with the August 1931 issue. A search of the copyright renewal records from 1951 to 1959 shows no entries for Science and Invention. All issues are in the public domain.
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Image extraction processThis file has an extracted image: The Isolator (cropped).jpg.
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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.
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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:The_Isolator.jpg

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Date/TimeThumbnailDimensionsUserComment
current16:21, 1 November 2020Thumbnail for version as of 16:21, 1 November 20201,505 × 1,049 (872 KB)Racconish (talk | contribs)== {{int:filedesc}} == {{Information |Description=Page from ''Science and Invention'' |Source=[https://worldradiohistory.com/Archive-Electrical-Experimenter/SI-1925-07.pdf] |Date=1925-07 |Author=Experimenter Publishing |Permission=''Science and Invention'' ceased publication with the August 1931 issue. A search of the copyright renewal records from 1951 to 1959 shows no entries for ''Science and Invention''. All issues are in the public domain. |other_versions={{Extracted from|1=Science and...

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