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Shadoof or shaduf comes from the Arabic word شادوف, šādūf. It is also called a lift, [4] well pole, well sweep, or simply a sweep in the US. [2] A less common English translation is swape. [3] Picotah (or picota) is a Portuguese loan word. It is also called a jiégāo (桔槹) in Chinese.
The first known crane machine was the shaduf, a water-lifting device that was invented in ancient Mesopotamia (modern Iraq) and then appeared in ancient Egyptian technology. Construction cranes later appeared in ancient Greece, where they were powered by men or animals (such as donkeys), and used for the construction of buildings.
Hazz al-quhuf is composed in the style of a literary commentary on a 42-line poem purported to be written by a peasant (Arabic: فلاح, fallāḥ) named Abu Shaduf. [1] In his commentary, al-Shirbini describes different customs of peasants and urban dwellers, and notes regional distinctions between the Sa'idi people of Upper Egypt, people of the Nile Delta in Lower Egypt, and the poorest ...
Bell nipple: An enlarged pipe at the top of a casing string that serves as a funnel to guide drilling tools into the top of the well.; Big bear: A big bear is a hitch (see hitch) that lasts a minimum of 50 straight days.
The introduction of this machine had a decisive influence on agriculture as this wheel lifted water 3 to 8 metres with much less labour force and time than the Shaduf, which was the previous irrigation device in the Kingdom. The Shaduf relied on human energy while the saqiya was driven by buffalos or other animals. [20]
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.
The screw pump is the oldest positive displacement pump. [1] The first records of a water screw, or screw pump, date back to Hellenistic Egypt before the 3rd century BC. [1] [3] The Egyptian screw, used to lift water from the Nile, was composed of tubes wound round a cylinder; as the entire unit rotates, water is lifted within the spiral tube to the higher elevation.
Chinampa (Nahuatl languages: chināmitl [tʃiˈnaːmitɬ]) is a technique used in Mesoamerican agriculture which relies on small, rectangular areas of fertile arable land to grow crops on the shallow lake beds in the Valley of Mexico.