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1 gen 300 anni a. C. - W: Use of water wheels for irrigation

Descrizione:

World: – earliest water wheels known to exist. May be the earliest use of gears. Found in India

Aggiunto al nastro di tempo:

History of Mathematics 2019

16 lug 2019

2

0

1442

Data:

1 gen 300 anni a. C.

Adesso

~ 2327 years ago

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