Water Engine
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Water Engine
The water engine is a positive-displacement engine, often closely resembling a steam engine with similar pistons and valves, that is driven by water pressure. The supply of water was derived from a natural head of water, the water mains, or a specialised high-pressure water supply such as that provided by the London Hydraulic Power Company. Water mains in the 19th century often operated at pressures of 30 to 40 psi, while hydraulic power companies supplied higher pressure water at anything up to 800 psi. The term water motor (german: Wassermotor) was more commonly applied to small Pelton wheel type turbines driven from a mains water tap (e.g. Whitney Water Motor), and mainly used for light loads, for example sewing machines. In the nineteenth century, the terms ''hydraulic motor'' and ''hydraulic engine'' often implied reference to any motor driven by liquid pressure, including water motors and water engines used in hydropower, but today mentions of hydraulic motors, unless ot ...
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Robert Fludd
Robert Fludd, also known as Robertus de Fluctibus (17 January 1574 – 8 September 1637), was a prominent English Paracelsian physician with both scientific and occult interests. He is remembered as an astrologer, mathematician, cosmologist, Qabalist and Rosicrucian. Fludd is best known for his compilations in occult philosophy. He had a celebrated exchange of views with Johannes Kepler concerning the scientific and hermetic approaches to knowledge. Early life He was born at Milgate House, Bearsted, Kent, not too long before 17 January 1573/4. He was the son of Sir Thomas Fludd, a high-ranking governmental official (Queen Elizabeth I's treasurer for war in Europe), and Member of Parliament. His mother was Elizabeth Andrews Fludd. A collage of 12 Coats of Arms of Fludd ancestors are shown in the painting above his right shoulder. His paternal arms goes back to Rhirid Flaidd whose name originates from Welsh meaning bloody or red wolf. Education He entered St John's Col ...
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EU Energy Efficiency Directive 2012
The Energy Efficiency Directive 2012/27/EU (abbreviated EED) is a European Union directive which mandates energy efficiency improvements within the European Union. It was approved on 25 October 2012 and entered into force on 4 December 2012. The directive introduces legally binding measures to encourage efforts to use energy more efficiently in all stages and sectors of the supply chain. It establishes a common framework for the promotion of energy efficiency within the EU in order to meet its energy efficiency headline target of 20% by 2020. It also paves the way for further improvements thereafter. The directive provides for the establishment of indicative national energy efficiency targets for 2020. Member states were to have submitted their National Energy Efficiency Action Plans (NEEAP) by 30 April 2014, outlining the measures they have implemented to improve energy efficiency and their expected and/or achieved energy savings. In addition, member states are r ...
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Miele
Miele ( ; ) is a German manufacturer of high-end domestic appliances and commercial equipment, headquartered in Gütersloh, Ostwestfalen-Lippe. The company was founded in 1899 by Carl Miele and Reinhard Zinkann, and has always been a family-owned and family-run company. History Miele's first products were a cream separator, butter churn, and tub washing machine, under the ''Meteor'' brand. Carl Miele supervised manufacturing personally, and Reinhard Zinkann apprenticed and handled finances and sales. In 1927, Miele started the production of vacuum cleaners. In 1929, the first electric dishwasher in Europe was produced. From 1930, motorcycles were built. In 1932, Miele was the largest centrifuge factory in Europe. During World War II, Miele produced control units for torpedoes of the German Kriegsmarine. :de:Miele The Miele trademark was established with the foundation of Miele & Cie. company, on 1 July 1899, and appeared on all machines, nameplates, printed materials and adver ...
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Kaiser Wilhelm Shaft (Clausthal)
''Kaiser'' is the German word for "emperor" (female Kaiserin). In general, the German title in principle applies to rulers anywhere in the world above the rank of king (''König''). In English, the (untranslated) word ''Kaiser'' is mainly applied to the emperors of the unified German Empire (1871–1918) and the emperors of the Austrian Empire (1804–1918). During the First World War, anti-German sentiment was at its zenith; the term ''Kaiser''—especially as applied to Wilhelm II, German Emperor—thus gained considerable negative connotations in English-speaking countries. Especially in Central Europe, between northern Italy and southern Poland, between western Austria and western Ukraine and in Bavaria, Emperor Franz Joseph I is still associated with "Der Kaiser (the emperor)" today. As a result of his long reign from 1848 to 1916 and the associated Golden Age before the First World War, this title often has still a very high historical respect in this geographical area. ...
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Brine
Brine is a high-concentration solution of salt (NaCl) in water (H2O). In diverse contexts, ''brine'' may refer to the salt solutions ranging from about 3.5% (a typical concentration of seawater, on the lower end of that of solutions used for brining foods) up to about 26% (a typical saturated solution, depending on temperature). Brine forms naturally due to evaporation of ground saline water but it is also generated in the mining of sodium chloride. Brine is used for food processing and cooking (pickling and brining), for de-icing of roads and other structures, and in a number of technological processes. It is also a by-product of many industrial processes, such as desalination, so it requires wastewater treatment for proper disposal or further utilization (fresh water recovery). In nature Brines are produced in multiple ways in nature. Modification of seawater via evaporation results in the concentration of salts in the residual fluid, a characteristic geologic deposit call ...
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Hydraulic Ram
A hydraulic ram, or hydram, is a cyclic water pump powered by hydropower. It takes in water at one "hydraulic head" (pressure) and flow rate, and outputs water at a higher hydraulic head and lower flow rate. The device uses the water hammer effect to develop pressure that allows a portion of the input water that powers the pump to be lifted to a point higher than where the water originally started. The hydraulic ram is sometimes used in remote areas, where there is both a source of low-head hydropower and a need for pumping water to a destination higher in elevation than the source. In this situation, the ram is often useful, since it requires no outside source of power other than the kinetic energy of flowing water. History The Alhambra, built by Nasrid Sultan Ibn al-Ahmar of Granada beginning AD1238, used a hydram to raise water. Through a first reservoir, filled by a channel from the Darro River, water emptied via a large vertical channel into a second reservoir bene ...
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Georg Friedrich Von Reichenbach
Georg Friedrich von Reichenbach (24 August 1772 – 21 May 1826), German scientific instrument maker, was born at Durlach in Baden on 24 August 1772. Early life Reichenbach's father was a master mechanic, and a master cannon-borer, who moved to Mannheim when Reichenbach was two, and became manager of the cannon-boring works there. At 14 Georg was admitted to the Military School at Mannheim where he got to know the astronomer at the Mannheim Observatory. He received a knowledge of mathematical instruments and was inspired to try to construct similar instruments in his father's workshop. The Director of the Observatory sent a sextant made by Reichenbach to Count Rumford. When he was 19, Reichenbach received a grant of 500 gulden for a journey to London, and introductions to the engineers James Watt and Matthew Boulton. Reichenbach's first visit to England lasted from 1 June 1791 to January 1792, when he returned home for a short time before returning to England. He made drawings of ...
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Pipe Organ
The pipe organ is a musical instrument that produces sound by driving pressurized air (called ''wind'') through the organ pipes selected from a keyboard. Because each pipe produces a single pitch, the pipes are provided in sets called ''ranks'', each of which has a common timbre and volume throughout the keyboard compass. Most organs have many ranks of pipes of differing timbre, pitch, and volume that the player can employ singly or in combination through the use of controls called stops. A pipe organ has one or more keyboards (called '' manuals'') played by the hands, and a pedal clavier played by the feet; each keyboard controls its own division, or group of stops. The keyboard(s), pedalboard, and stops are housed in the organ's ''console''. The organ's continuous supply of wind allows it to sustain notes for as long as the corresponding keys are pressed, unlike the piano and harpsichord whose sound begins to dissipate immediately after a key is depressed. The smallest po ...
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Coliseum Theatre
The London Coliseum (also known as the Coliseum Theatre) is a theatre in St Martin's Lane, Westminster, built as one of London's largest and most luxurious "family" variety theatres. Opened on 24 December 1904 as the London Coliseum Theatre of Varieties, it was designed by the theatrical architect Frank Matcham for the impresario Oswald Stoll. Their ambition was to build the largest and finest music hall, described as the "people's palace of entertainment" of its age. At the time of construction, the Coliseum was one of the few theatres in Europe to provide lifts for taking patrons to the upper levels of the house, and was the first theatre in England to have a triple revolve installed on its stage. The theatre has 2,359 seats making it the largest theatre in London. After being used for variety shows, musical comedies, and stage plays for many years, then as a cinema screening films in the Cinerama format between 1963 and 1968, the Sadler's Wells Opera Company moved into th ...
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London Palladium
The London Palladium () is a Grade II* West End theatre located on Argyll Street, London, in the famous area of Soho. The theatre holds 2,286 seats. Of the roster of stars who have played there, many have televised performances. Between 1955 and 1969 ''Sunday Night at the London Palladium'' was held at the venue, which was produced for the ITV network. The show included a performance by The Beatles on 13 October 1963. One national paper's headlines in the following days coined the term "Beatlemania" to describe the increasingly hysterical interest in the band. While the theatre has a resident show, it is also able to host one-off performances, such as concerts, TV specials and Christmas pantomimes. It has hosted the Royal Variety Performance 43 times, most recently in 2019. In March 2020, the venue closed due to the COVID-19 pandemic's effect on the theatre industry, but reopened over four months later on 1 August 2020. Architecture Walter Gibbons, an early moving-pictures m ...
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