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jan 1, 300 BC - W: Use of water wheels for irrigation
Description:
World: – earliest water wheels known to exist. May be the earliest use of gears. Found in India
Added to timeline:
History of Mathematics 2019
By
Aly
16 Jul 2019
2
0
1460
Date:
jan 1, 300 BC
Now
~ 2328 years ago
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