File:JeffersonPolygraphReproductionFrontView.jpg

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JeffersonPolygraphReproductionFrontView.jpg (640 × 455 pixels, file size: 45 KB, MIME type: image/jpeg)

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Description
English: A modern reproduction of a polygraph machine similar to the type Thomas Jefferson used. Made by Wilman Spawn, c. 1974.
Date Unknown date
Source Description page Library of Congress
Author National Portrait Gallery, Smithsonian Institution

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Public domain
This image or file is a work of a Smithsonian Institution employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.

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Date/TimeThumbnailDimensionsUserComment
current02:13, 28 January 2012Thumbnail for version as of 02:13, 28 January 2012640 × 455 (45 KB)Brad101 (talk | contribs)

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