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8 dic 19986 anni a. C. - Ancient Sumerians created the sundial.

Descrizione:

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.

Aggiunto al nastro di tempo:

clocks

ByLogan Nelson
14 set 2017
0
0
716

Data:

8 dic 19986 anni a. C.
Adesso
~ 22027 years ago

Immagini:

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