Monroe Electronic Bookkeeper,an accounting machine that was a combination typewriter and calculator. Machines such as this one were rendered obsolete with the advent of personal computers | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Monroe Systems for Business |
Bildgröße: | 4146 px × 3194 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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