31 дек 2000 г. до нашей эры - shaduf was invented
Описание:
The Shaduf was invented at around 2000 B.C. in Ancient Egypt. Still used today, the Shaduf is a tool to raise water from a low to a high place. A skin or bucket is hung on a rope from the long end, and a counterweight is hung on the short end. The operator pulls down on a rope that’s attached to the long end to fill the bucket which make the counterweight raise the bucket.
Добавлено на ленту времени:
Дата:
31 дек 2000 г. до нашей эры
Сейчас
~ 4028 г назад
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