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Elliott Brothers (London) Ltd was an early computer company of the 1950s–60s in the United Kingdom. It traced its descent from a firm of instrument makers founded by William Elliott in London around 1804. The research laboratories were originally set up in 1946 at Borehamwood. The first Elliott 152 computer appeared in 1950. Elliott's was a pioneer of Head-up displays - HUDs. The computer scientist Sir Tony Hoare was an employee there from August 1960 to 1968. He wrote an ALGOL 60 compiler for the Elliott 803. He also worked on an operating system for the new Elliott 503 Mark II computer, although this was unsuccessful and abandoned along with "over thirty man-years of programming effort." (c.f. (The Emperor's Old Clothes )) The founder of the UK's first software house, Dina St Johnston, had her first programming job there from 1953-1958. John Lansdown pioneered the use of computers as an aid to planning; making perspective drawings on an Elliott 803 computer in 1963, modelling a building's lifts and services, plotting the annual fall of daylight across its site, as well as authoring his own computer aided design (CAD) applications. In 1966 the company established an integrated circuit design and manufacturing facility in Glenrothes, Scotland, followed by a MOS semiconductor research laboratory. The Glenrothes site was closed in 1969 following the take over of English Electric by GEC. ==Elliott Automation== Elliott Automation (as it had become) merged with English Electric in 1967. The data processing computer part of the company was then taken over by International Computers and Tabulators (ICT) in 1968; this marriage was forced by the British Government, who believed that the UK required a strong national computer company. The combined company was called International Computers Limited (ICL). The real-time computer part of Elliott Automation remained, and was renamed Marconi Elliott Computer Systems Limited in 1969 and GEC Computers Limited in 1972, and remained at the original Borehamwood research laboratories until the late 1990s. The agreement which governed the split of computer technologies between the two companies disallowed ICT from developing real-time computer systems and disallowed Elliott Automation from developing data processing computer systems for a few years after the split. The remainder of Elliott Automation which produced aircraft instruments and control systems, was retained by English Electric. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Elliott Brothers (computer company)」の詳細全文を読む スポンサード リンク
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