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File:Vacuum Tube (PSF).png

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Original file (1,662 × 2,583 pixels, file size: 216 KB, MIME type: image/png)

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English: An electron tube evacuated to a high degree of vacuum
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Archives of Pearson Scott Foresman, donated to the Wikimedia Foundation

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: PSF-V1000000.png
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Author Pearson Scott Foresman
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Public domain This work has been released into the public domain by its author, Pearson Scott Foresman. This applies worldwide.
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Pearson Scott Foresman grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current05:51, 7 September 2019Thumbnail for version as of 05:51, 7 September 20191,662 × 2,583 (216 KB)Encik Tekateki (talk | contribs)User created page with UploadWizard

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