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A bilge pump is a water pump used to remove bilge water. Since fuel can be present in the bilge, electric bilge pumps are designed to not cause sparks. Electric bilge pumps are often fitted with float switches which turn on the pump when the bilge fills to a set level. Since bilge pumps can fail, use of a backup pump is often advised. The ...
The bilge pump was an improvement on the first hydraulic pumps used in antiquity: force pumps. Invented around the early 3rd century BCE, the most primitive design of a force pump consisted of a piston pushing water out of a tube, constructed by soldering individual bronze elements (Stein 246).
W. W. Grainger, Inc., is an American Fortune 500 [5] industrial supply company founded in 1927 in Chicago by William W. (Bill) Grainger. He founded the company to provide consumers with access to a consistent supply of motors. [ 6 ]
Bilge compartment in a steel hulled ship (looking down) Bilge compartment and pump. The bilge / b ɪ l dʒ / of a ship or boat is the part of the hull that would rest on the ground if the vessel were unsupported by water. The "turn of the bilge" is the transition from the bottom of a hull to the sides of a hull.
The limber holes allow water to drain into the lowest part of the bilge so that it can be pumped out by a single bilge pump [1] (or more usually, one electric and one manual pump). The term is also commonly applied to the holes in mid-20th century submarine upperworks, which allow drainage from the superstructure.
Chain pumps were used in European mines during the Renaissance; mineralogist Georg Agricola illustrated them in his De re metallica (1556). [7] Chain pumps were commonly used on naval vessels of the time to pump the bilges, and examples are known in the nineteenth century for low-lift irrigation.
The Grainger Engineering Library Information Center opened to the public in March 1994. A $34 million multifunctional facility, Grainger Engineering Library was primarily funded by a gift of $18.7 million from the Grainger Foundation Inc., which is headquartered in Lake Forest, Illinois. An additional $11 million of State and gift funds was ...
Smith-Dorrien House in Aldershot, built in 1908 as an entertainment centre for soldiers and which Grainger now uses as offices for the Wellesley project, a major residential development by Grainger plc. As at 30 September 2023 its investment portfolio was valued at £2.9 billion and its development and trading portfolio was valued at £0.4 ...