File:JeffersonPolygraphReproductionFrontView.jpg
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JeffersonPolygraphReproductionFrontView.jpg (640 × 455 pixels, file size: 45 KB, MIME type: image/jpeg)
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Summary[edit]
| Description |
English: A modern reproduction of a polygraph machine similar to the type Thomas Jefferson used. Made by Wilman Spawn, c. 1974.
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| Date | Unknown date |
| Source | Description page Library of Congress |
| Author | National Portrait Gallery, Smithsonian Institution |
Licensing[edit]
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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/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:13, 28 January 2012 | | 640 × 455 (45 KB) | Brad101 (talk | contribs) |
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