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14 gen 1700 anni - Рабдологический абак

Descrizione:

Шарль Перро (брат Шарля Перро) изобрел суммирующую машину, в которой взамен зубчатых колес используются зубчатые рейки. Машина получила название "Рабдологический абак".

Aggiunto al nastro di tempo:

Информатика в датах

ByИнна
9 ott 2017

Data:

14 gen 1700 anni
Adesso
~ 324 years ago

Immagini:

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