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1 янв 1673 г. - [1673] Gottfried Leibniz invents the Leibniz wheel.

Описание:

Building on Blaise Pascal's work, the Leibniz wheel worked by rotating wheels to add and subtract numbers. This was the first mass produced calculator.

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Scientific Revolution / Enlightenment Timeline

ByJustin Roche
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1 янв 1673 г.
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