Image:1951PreservationOfDeclarationOfIndependenceByNBS.jpg
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1951PreservationOfDeclarationOfIndependenceByNBS.jpg (720 × 568 pixels, file size: 271 KB, MIME type: image/jpeg)
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 15:48, 25 April 2008 | 720×568 (271 KB) | File Upload Bot (Magnus Manske) | ( {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|en:National Bureau of Standards preserving the en:United States Declaration of Independence in 1951. Source: [http://www.commerce.gov/opa/photo/DOC_100/100yrs/Gallery.htm Depart) |
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| Image title | Preservation by NBS in 1951 of the Declaration of Independence (shown) and the Constitution of the United States followed ear's of research on the permanence of governmental documents. Light, heat, humidity, and many other factors were assessed, but the principal enemy of records proved to be the common air pollutant, sulphur dioxide. |
|---|---|
| Orientation | Normal |
| Horizontal resolution | 72 dpi |
| Vertical resolution | 72 dpi |
| Software used | Adobe Photoshop 7.0 |
| File change date and time | 09:37, 22 April 2003 |
| Color space | sRGB |

