File:Punchcards2.jpg
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Hollerith Punch Card
http://inventors.about.com/library/inventors/blhollerith.htm
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:58, 5 March 2008 | 600 × 268 (60 KB) | Trh249 (Talk | contribs) | Hollerith Punch Card http://inventors.about.com/library/inventors/blhollerith.htm |
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