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1 gen 1500 anni a. C. - E: Development of the semaphore for communication.

Descrizione:

Egypt: Also, sundials

Aggiunto al nastro di tempo:

History of Mathematics 2019

16 lug 2019

2

0

1444

Data:

1 gen 1500 anni a. C.

Adesso

~ 3528 years ago

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