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1 janv. 1850 - Primera sumadora de teclado.

Description:

El teclado apareció en una máquina inventada en Estados Unidos en 1850. Podían sumarse una secuencia de dígitos pulsando unas teclas sucesivas

Ajouté au bande de temps:

Ordenadores

ByAlex
5 oct. 2018

Date:

1 janv. 1850
Maintenaint
~ Il y a 174 ans

Les images:

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