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The Jet d'Eau fountain in Geneva The first jet d'eau, around 1886.. The Jet d'Eau (French pronunciation: [ʒɛ do], Water-Jet) is a large fountain in Geneva, Switzerland and is one of the city's most famous landmarks, being featured on the city's official tourism web site and on the official logo for Geneva's hosting of group stage matches at UEFA Euro 2008. [1]
A water jet cutter, also known as a water jet or waterjet, is an industrial tool capable of cutting a wide variety of materials using an extremely high-pressure jet of water, or a mixture of water and an abrasive substance. The term abrasive jet refers specifically to the use of a mixture of water and an abrasive to cut hard materials such as ...
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.
The fountains were carefully designed so that a sheet of water flowed evenly from the rim of the vasque, even if the wind was strong and the water supply was uneven. A small channel hidden just inside the rim of the vasque moderates the flow of water. [6] In the 20th century, the gravity system was replaced with pumps, which recycle the water.
The Buckingham Fountain in Grant Park, Chicago was one of the first American fountains to use powerful modern pumps to shoot water as high as 150 feet (46 meters) into the air. The Fountain of Prometheus, with sculpture by Paul Manship, built at Rockefeller Center in New York City in 1933, was the first American fountain in the Art-Deco style.
Heron's fountain is a hydraulic machine invented by the 1st century AD inventor, mathematician, and physicist Heron (or Hero) of Alexandria . [1] Heron studied the pressure of air and steam, described the first steam engine, and built toys that would spurt water, one of them known as Heron's fountain. Various versions of Heron's fountain are ...
Water pumping. The pumping of water is a basic and practical technique, far more practical than scooping it up with one's hands or lifting it in a hand-held bucket. This is true whether the water is drawn from a fresh source, moved to a needed location, purified, or used for irrigation, washing, or sewage treatment, or for evacuating water from ...
A salsabil (or salasabil[1]), also known as a shadirwan, [2] is a type of fountain which maximizes the surface area of the water. It is used for evaporative cooling of buildings, cooling and aeration of drinking water, and ornament [3][4] (it has also been used to prevent eavesdropping [5]). The water may flow in a thin sheet or thin streams ...
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