The Staffelwalze,or Stepped Reckoner,the first mechanical calculator that could add,subtract,multiply and divide. It was invented by German mathematician Gottfried Wilhelm Leibniz around 1672 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / New York Public Library |
Bildgröße: | 5179 px × 2570 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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