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A shadoof or shaduf, [1] well pole, well sweep, sweep, [2] swape, [3] or simply a lift [4] is a tool that is used to lift water from a well or another water source onto land or into another waterway or basin. It is highly efficient, and has been known since 3000 BCE.
This page was last edited on 22 February 2004, at 14:31 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Whether it's called shaduf, shadoof, or any other variant, there should be complete consistency throughout the article. It should pick one name as a preferred version, mention the others, and then stick to the preferred name throughout. Currently, we have the article name "Shadoof" immediately followed by "A shaduf.... is an irrigation tool".
Levering methods are considered to be the most tenable solution to complement ramping methods, partially due to Herodotus's description; and partially to the shadoof, a lever-enabled irrigation device first depicted in Egypt during the New Kingdom and found concomitantly with the Old Kingdom in Mesopotamia. In Lehner's point of view, levers ...
The lever was used in the shadoof water-lifting device, the first crane machine, which appeared in Mesopotamia circa 3000 BC, [9] and then in ancient Egyptian technology circa 2000 BC. [10] The earliest evidence of pulleys date back to Mesopotamia in the early 2nd millennium BC.
The counterweight system of the shadoof is an early example of the engineering of river water. In pre-industrial society, rivers were a source of transportation and abundant resources. [19] [26] Many civilizations depended on what resources were local to them to survive.
An animal-driven saqiya can raise water from 10 to 20 metres depth, and is thus considerably more efficient than a swape [clarification needed] or shadoof, as it is known in Arabic, which can only pump water from 3 metres.
The lever was also used in the shadoof water-lifting device, the first crane machine, which appeared in Mesopotamia c. 3000 BC, [11] and then in ancient Egyptian technology c. 2000 BC. [13] The earliest evidence of pulleys date back to Mesopotamia in the early 2nd millennium BC, [14] and ancient Egypt during the Twelfth Dynasty (1991–1802 BC ...