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41 toestel
1 [apparaat, ook in samenstellingen] apparatus ⇒ appliance, 〈 fototoestel〉 camera, 〈radio/tv〉 set, 〈 handig〉 gadget2 [vliegtuig] plane♦voorbeelden:1 wilt u even aan het toestel blijven • will you hold the line?vraag om toestel 212 • ask for extension 212 -
42 Cousteau, Jacques-Yves
SUBJECT AREA: Ports and shipping[br]b. 11 June 1910 Saint-André-de-Cubzac, France[br]French marine explorer who invented the aqualung.[br]He was the son of a country lawyer who became legal advisor and travelling companion to certain rich Americans. At an early age Cousteau acquired a love of travel, of the sea and of cinematography: he made his first film at the age of 13. After an interrupted education he nevertheless passed the difficult entrance examination to the Ecole Navale in Brest, but his naval career was cut short in 1936 by injuries received in a serious motor accident. For his long recuperation he was drafted to Toulon. There he met Philippe Tailliez, a fellow naval officer, and Frédéric Dumas, a champion spearfisher, with whom he formed a long association and began to develop his underwater swimming and photography. He apparently took little part in the Second World War, but under cover he applied his photographic skills to espionage, for which he was awarded the Légion d'honneur after the war.Cousteau sought greater freedom of movement underwater and, with Emile Gagnan, who worked in the laboratory of Air Liquide, he began experimenting to improve portable underwater breathing apparatus. As a result, in 1943 they invented the aqualung. Its simple design and robust construction provided a reliable and low-cost unit and revolutionized scientific and recreational diving. Gagnan shunned publicity, but Cousteau revelled in the new freedom to explore and photograph underwater and exploited the publicity potential to the full.The Undersea Research Group was set up by the French Navy in 1944 and, based in Toulon, it provided Cousteau with the Opportunity to develop underwater exploration and filming techniques and equipment. Its first aims were minesweeping and exploration, but in 1948 Cousteau pioneered an extension to marine archaeology. In 1950 he raised the funds to acquire a surplus US-built minesweeper, which he fitted out to further his quest for exploration and adventure and named Calypso. Cousteau also sought and achieved public acclaim with the publication in 1953 of The Silent World, an account of his submarine observations, illustrated by his own brilliant photography. The book was an immediate success and was translated into twenty-two languages. In 1955 Calypso sailed through the Red Sea and the western Indian Ocean, and the outcome was a film bearing the same title as the book: it won an Oscar and the Palme d'Or at the Cannes film festival. This was his favoured medium for the expression of his ideas and observations, and a stream of films on the same theme kept his name before the public.Cousteau's fame earned him appointment by Prince Rainier as Director of the Oceanographie Institute in Monaco in 1957, a post he held until 1988. With its museum and research centre, it offered Cousteau a useful base for his worldwide activities.In the 1980s Cousteau turned again to technological development. Like others before him, he was concerned to reduce ships' fuel consumption by harnessing wind power. True to form, he raised grants from various sources to fund research and enlisted technical help, namely Lucien Malavard, Professor of Aerodynamics at the Sorbonne. Malavard designed a 44 ft (13.4 m) high non-rotating cylinder, which was fitted onto a catamaran hull, christened Moulin à vent. It was intended that its maiden Atlantic crossing in 1983 should herald a new age in ship propulsion, with large royalties to Cousteau. Unfortunately the vessel was damaged in a storm and limped to the USA under diesel power. A more robust vessel, the Alcyone, was fitted with two "Turbosails" in 1985 and proved successful, with a 40 per cent reduction in fuel consumption. However, oil prices fell, removing the incentive to fit the new device; the lucrative sales did not materialize and Alcyone remained the only vessel with Turbosails, sharing with Calypso Cousteau's voyages of adventure and exploration. In September 1995, Cousteau was among the critics of the decision by the French President Jacques Chirac to resume testing of nuclear explosive devices under the Mururoa atoll in the South Pacific.[br]Principal Honours and DistinctionsLégion d'honneur. Croix de Guerre with Palm. Officier du Mérite Maritime and numerous scientific and artistic awards listed in such directories as Who's Who.Bibliography1953, The Silent World.1972, The Ocean World of Jacques Cousteau, 21 vols.Further ReadingR.Munson, 1991, Cousteau, the Captain and His World, London: Robert Hale (published in the USA 1989).LRD -
43 Greathead, James Henry
[br]b. 6 August 1844 Grahamstown, Cape Colony (now South Africa)d. 21 October 1896 Streatham, London, England[br]British civil engineer, inventor of the Greathead tunnelling shield.[br]Greathead came to England in 1859 to complete his education. In 1864 he began a three-year pupillage with the civil engineer Peter W. Barlow, after which he was engaged as an assistant engineer on the extension of the Midland Railway from Bedford to London. In 1869 he was entrusted with the construction of the Tower Subway under the River Thames; this was carried out using a cylindrical wrought-iron shield which was forced forward by six large screws as material was excavated in front of it. This work was completed the same year. In 1870 he set himself up as a consulting engineer, and from 1873 he was Resident Engineer on the Hammersmith and Richmond extensions of the Metropolitan District Railway. He assisted in the preparation of several other railway projects including the Regent's Canal Railway in 1880, the Dagenham Dock and the Metropolitan Outer Circle Railways in 1881, a new line from London to Eastbourne and a number of Irish light railways. He worked on a bill for the City and South London Railway, which was built between 1886 and 1890; here compressed air was used to prevent the inrush of water, a method for tunnelling which was generally adopted from then on. He invented apparatus for the application of water to excavate in front of the shield as well as for injecting cement-grout behind the lining of the tunnel.He was joint engineer with Sir Douglas Fox for the construction of the Liverpool Overhead Railway, and held the same post with W.R.Galbraith on the Waterloo and City Railway; he was also associated with Sir John Fowler and Sir Benjamin Baker in the construction of the Central London Railway. He died, aged 52, before the completion of some of these projects.[br]Further ReadingObituary, 1896, Proceedings of the Institution of Mechanical Engineers.O.Green, 1987, The London Underground: An Illustrated History', London: Ian Allan (in association with the London Transport Museum).P.P.Holman, 1990, The Amazing Electric Tube: A History of the City and South LondonRailway, London: London Transport Museum.IMcN
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