| COMPUTER_MUSEUM | ||||||
| Showing 121 - 140 of 344 pictures [ « Previous | Next » ] | ||||||
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 IMG_3753.JPG Abacaii? Abacuses? A collection of multiple abacuses. |
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 IMG_3756.JPG Mechanical adding machines. |
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 IMG_3761.JPG An adding machine next to some early pocket calculators. |
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 IMG_3772.JPG Punch cards. Once used to hold data and software. | |||
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