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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.
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]
These new surroundings hastened the development of an existing idea: an adding machine. His new job gave him the opportunity to build his prototype. Accuracy was the foundation of his work. He made his design drawings on metal plates to prevent distortion. Burroughs filed his first patent for the invention of a "calculating machine" in 1885. It ...
Henry Maudslay (pronunciation and spelling) (22 August 1771 – 14 February 1831) was an English machine tool innovator, tool and die maker, and inventor. He is considered a founding father of machine tool technology. His inventions were an important foundation for the Industrial Revolution.
While being most known for inventing the Gatling gun, Gatling invented and patented a number of other inventions.His inventions include a screw propeller and a wheat drill (a planting device) in 1839, a hemp break machine in 1850, a steam plow (steam tractor) in 1857, the Gatling gun in 1861, a marine steam ram in 1862, and a motor-driven plow ().
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".
John Adrian Shepherd-Barron was born on 23 June 1925 in Shillong (now Meghalaya), India, to British parents.His Scottish father, Wilfred Shepherd-Barron, was chief engineer of the Chittagong Port Commissioners in North Bengal, which was then part of the British Empire, then later Chief Engineer of the Port of London Authority, before becoming president of the Institution of Civil Engineers ...