File:Slide Rule (PSF).png

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Description
English: a manual device used for calculation that consists in its simple form of a ruler and a movable middle piece which are graduated with similar logarithmic scales
Date
Source Archives of Pearson Scott Foresman, donated to the Wikimedia Foundation
image extraction process
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: PSF S-850002.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.
In some countries this may not be legally possible; if so:
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
current08:53, 26 March 2020Thumbnail for version as of 08:53, 26 March 20202,550 × 1,051 (471 KB)Encik Tekateki (talk | contribs)Uploaded a work by Pearson from https://commons.wikimedia.org/wiki/File:PSF_S-850002.png with UploadWizard

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