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17 ore 44 min, 1 gen 1942 anni - Calculadora de Pascal (1642)

Descrizione:

Blaise Pascal inventó una máquina de sumar mecánica para ayudar a su padre a calcular impuestos.

Aggiunto al nastro di tempo:

Luia

ByLuis Dominguez

9 nov 2017

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584

Data:

17 ore 44 min, 1 gen 1942 anni

Adesso

~ 83 years ago

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