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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped, crease lines and stains removed, dirt specks partially removed, lines reconstructed, levels adjusted, color balanced, image partially desaturated, brightness increased, and contrast increased. The original can be viewed here: Light bulb Edison.jpgLight bulb Edison.jpg. Modifications made by Durova.


English: Light bulb patent application. Photolithography reproduction.

Edited version of Image:Light bulb Edison.jpg.

Author Thomas Edison (reprinted by the Norris Peters Co.)
(Reusing this file)
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1925, and if not then due to lack of notice or renewal. See this page for further explanation.

United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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current09:53, 29 July 2008Thumbnail for version as of 09:53, 29 July 20082,128 × 3,120 (3.39 MB)DurovaSelectively reduced brightness in upper left of image.
09:35, 29 July 2008Thumbnail for version as of 09:35, 29 July 20082,128 × 3,120 (3.28 MB)Durova{{Information Description=The light bulb; patent application. Photolithography reproduction. Source=ourdocuments.gov[http://www.ourdocuments.gov/doc.php?flash=true&doc=46&page=pdf] Date=1880 Author=Thomas Edison (reprinted by the Norris Peters Co.)

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