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JeffersonPolygraphReproductionFrontView.jpg (640 × 455 pixels, file size: 45 KB, MIME type: image/jpeg)
English: A modern reproduction of a polygraph machine similar to the type Thomas Jefferson used. Made by Wilman Spawn, c. 1974.
|Source||Description page Library of Congress|
|Author||National Portrait Gallery, Smithsonian Institution|
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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|current||02:13, 28 January 2012||640 × 455 (45 KB)||Brad101|
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