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nov 24, 2500 BC - Abaco

Description:

Primer instrumento mecánico para contar , creado por los chinos (meses aproximados desconocidos)

Added to timeline:

Informatica

ByDânii HS
11 Oct 2017
0
0
2588

Date:

nov 24, 2500 BC
Now
~ 4530 years ago

Images:

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