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jan 1, 1820 - ARITMÓMETRO

Description:

En 1820, Thomas de Colmer, industrial francés, creó una máquina basada en las de Leibniz y de Pascal, pero utilizó piñones.

Added to timeline:

Antecedentes de las computadoras

Bydiego ernesto

18 Oct 2018

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Date:

jan 1, 1820

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~ 205 years ago

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