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8 déc. 19986 av. J.-C. - Ancient Sumerians created the sundial.

Description:

This used 12 hours per rotation, just like our clocks today. They used 12 hours because it fit nicely into 360 degrees. Also, dividing it down fit evenly into it.

Ajouté au bande de temps:

clocks

ByLogan Nelson
14 sept. 2017
0
0
716

Date:

8 déc. 19986 av. J.-C.
Maintenaint
~ Il y a 22027 ans

Les images:

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