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1 Jan 2000 Jahr v. Chr. - The Abacus

Beschreibung:

This is hand operated mechanical calculator using beads on rods, first used by Sumerians and Egyptians around 2000 BC.

Zugefügt zum Band der Zeit:

The Calculator

13 Sep 2017

0

0

678

Datum:

1 Jan 2000 Jahr v. Chr.

Jetzt

~ 4028 years ago

Abbildungen:

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