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20 Sept 1000 Jahr v. Chr. - Abacus and steel

Beschreibung:

The abacus is used as an everyday method of calculation by Phoenicians and Babylonians

Iron reheated with carbon is found to be much harder, being transformed into steel

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Evolution Timeline

ByDalynn Paredes
27 Okt 2017
0
0
670

Datum:

20 Sept 1000 Jahr v. Chr.
Jetzt
~ 3028 years ago

Abbildungen:

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