File:Electronic calculator prototype, made by Thomas E. Osborne for Hewlett-Packard, 1964, view 2 - National Museum of American History - DSC00028.jpg
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current | 09:09, 21 June 2016 | 5,183 × 3,203 (8.13 MB) | Daderot | User created page with UploadWizard |
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