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File:Grant 1876 Difference Engine.jpg

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Description
English: Difference Engine of George B. Grant at the US Centennial Exhibition, Phillagelphia. Only known photo to exist.
Date
Source US Centennial Exhibition. Reports and Awards. 7, 1876.
Author Unknown authorUnknown author
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Grant_1876_Difference_Engine.jpg

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current08:29, 15 August 2012Thumbnail for version as of 08:29, 15 August 20121,201 × 1,032 (459 KB)DrJunge (talk | contribs){{Information |Description ={{en|1=Difference Engine of George B. Grant at the US Centennial Exhibition, Phillagelphia. Only known photo to exist.}} |Source =US Centennial Exhibition. Reports and Awards. 7, 1876. |Author =unknown |D...

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