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1 янв 300 г. до нашей эры - W: Use of water wheels for irrigation

Описание:

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

Добавлено на ленту времени:

History of Mathematics 2019

16 июл 2019

2

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1444

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1 янв 300 г. до нашей эры

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~ 2327 г назад

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