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1 Canada Medal
CM, Canada MedalEnglish-Russian dictionary of planing, cross-planing and slotting machines > Canada Medal
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2 Canada Medal
Военный термин: медаль Канады -
3 CM
1) Общая лексика: Crisis Manager (SEIC), central meridian2) Компьютерная техника: Computer Modeled, Contextual Menus3) Биология: carboxymethyl4) Авиация: Conversion Manual, call maintenance, collective modification, crew member5) Медицина: cochlear micriphonics (микрофонный эффект улитки)6) Американизм: Consequence Management7) Военный термин: Canada Medal, Chairman's Memorandum, Changes Made, Chemical, Collection Management Division, Collection Manager, Colonial Marines, Combat Magic, Communication Management, Conceptual Model, Council Memorandum, Counter-mobility, Countermine Activities, Memorandum by the Chairman, Joint Chiefs of Staff, career management, career motivation, center of mass, certificate of merit, chemical munitions, chief of maintenance, class of material, classified message, code message, collection management, combat materiel, command message, commander's manual, communications module, complementary manual, condition monitoring, confidential memorandum, continuous monitoring, contract management, contract modification, controlled minefield, corrective maintenance, cost model, countermeasures, countermortar, court martial, crewman, cruise missile, Countermeasure (s)8) Техника: Curtail M, camera module, coarse mixing, code modulation, color monitor, common memory, common-mode signal, communications memory, communications multiplexer, comparator, computer-manual, concentrating mirror, constant-mesh, contact mask, coolant melt, coolant mixing, core melt, radioelectronic countermeasures9) Сельское хозяйство: combustible matter10) Шутливое выражение: Condescension Man11) Химия: Cementitious Materials, Customized Microscopy12) Математика: Championship Manager, поправка на среднее значение (correction for mean), содержательная модель (conceptual model)13) Железнодорожный термин: Central Montana Rail Incorporated14) Юридический термин: Case Management, Colored Male15) Бухгалтерия: Compounding Method, Contribution Margin, маржинальная прибыль (стоимость продаж минус переменные затраты)16) Грубое выражение: Chick Magnet17) Дипломатический термин: (cruise missile) крылатая ракета18) Металлургия: country of melt19) Политика: Cameroon20) Телекоммуникации: Connection Manager, Communications Module (AT&T 5ESS)21) Сокращение: Certified Master, Cluster Munition, Common Market, Competent Munitions, Congregation of the Mission, Corresponding Member, CounterMine, Countermeasure, Court-Martial, circuit master, see C-M P&, Command Module (Apollo spacecraft), (type abbreviation) Corvette (Peruvian Navy; guided missile), Coal Measures, Colour Monitor, Communications, Compartmented Mode, Cost of Mission, cellular manufacturing22) Физиология: Cyclical Menses23) Шахматы: CheckMate24) Электроника: Cassette Module, Common Mode, Cross Modulation25) Вычислительная техника: . command mode, central module, computer module, control mark, Command Module (Apollo spacecraft, Space), Configuration Manager (BIOS, PNP), Compatibility Mode (PARISC, NM), Connection Management (RR, MM, GSM, Mobile-Systems), модуль связи, мультиплексор каналов связи, память на магнитных сердечниках, центральный модуль27) Иммунология: Clinical Modification, Clinical Modifications28) Биохимия: Quinacrine Mustard29) Онкология: Centimeter - 0.01 Meters30) Космонавтика: Command Module31) Картография: catholic mission32) Банковское дело: collusive merchant, Capital Market (IB&CM - Investment Banking and Capital Market)33) Фирменный знак: Cambridge Thermionics, Canyon Medical34) СМИ: Commercial Message, Contact Management35) Деловая лексика: Chosen Multiplier, антикризисный управляющий36) Глоссарий компании Сахалин Энерджи: cubic meter37) Образование: Common Man38) Сетевые технологии: Cable Modem, Connection Management, Content Management, cache-movable, command mode, communication module, communication multiplexer, communication multiplexing, configuration management, contact manager, control module, core memory39) Полимеры: compression molding, compression-molded40) Автоматика: coolant management41) Контроль качества: correction for mean42) Пластмассы: Chlorinated Polyethylene Rubber43) Сахалин Р: construction Management44) Океанография: Current Meter45) Химическое оружие: chemical matters46) Безопасность: Cryptological Mathematics47) Расширение файла: Bitmap graphics (8bit, Unix Puzzle), Data (CraftMan)48) Нефть и газ: УКС, управляющий кризисными ситуациями49) Электротехника: cyclically magnetized50) США: Central Michigan51) Имена и фамилии: Charles Mack, Chris Miller52) Должность: Case Manager, Cast Member, Certified Manager, Chief Minister, Chill Master, Construction Manager53) Чат: Chat Maniac, Chat Monitor54) NYSE. Coles Myer, LTD.55) НАСА: Command Module (Apollo)56) Программное обеспечение: Cache Manager, Compilation Manager57) Единицы измерений: Circular Mils, Curly Maple -
4 Cm
1) Общая лексика: Crisis Manager (SEIC), central meridian2) Компьютерная техника: Computer Modeled, Contextual Menus3) Биология: carboxymethyl4) Авиация: Conversion Manual, call maintenance, collective modification, crew member5) Медицина: cochlear micriphonics (микрофонный эффект улитки)6) Американизм: Consequence Management7) Военный термин: Canada Medal, Chairman's Memorandum, Changes Made, Chemical, Collection Management Division, Collection Manager, Colonial Marines, Combat Magic, Communication Management, Conceptual Model, Council Memorandum, Counter-mobility, Countermine Activities, Memorandum by the Chairman, Joint Chiefs of Staff, career management, career motivation, center of mass, certificate of merit, chemical munitions, chief of maintenance, class of material, classified message, code message, collection management, combat materiel, command message, commander's manual, communications module, complementary manual, condition monitoring, confidential memorandum, continuous monitoring, contract management, contract modification, controlled minefield, corrective maintenance, cost model, countermeasures, countermortar, court martial, crewman, cruise missile, Countermeasure (s)8) Техника: Curtail M, camera module, coarse mixing, code modulation, color monitor, common memory, common-mode signal, communications memory, communications multiplexer, comparator, computer-manual, concentrating mirror, constant-mesh, contact mask, coolant melt, coolant mixing, core melt, radioelectronic countermeasures9) Сельское хозяйство: combustible matter10) Шутливое выражение: Condescension Man11) Химия: Cementitious Materials, Customized Microscopy12) Математика: Championship Manager, поправка на среднее значение (correction for mean), содержательная модель (conceptual model)13) Железнодорожный термин: Central Montana Rail Incorporated14) Юридический термин: Case Management, Colored Male15) Бухгалтерия: Compounding Method, Contribution Margin, маржинальная прибыль (стоимость продаж минус переменные затраты)16) Грубое выражение: Chick Magnet17) Дипломатический термин: (cruise missile) крылатая ракета18) Металлургия: country of melt19) Политика: Cameroon20) Телекоммуникации: Connection Manager, Communications Module (AT&T 5ESS)21) Сокращение: Certified Master, Cluster Munition, Common Market, Competent Munitions, Congregation of the Mission, Corresponding Member, CounterMine, Countermeasure, Court-Martial, circuit master, see C-M P&, Command Module (Apollo spacecraft), (type abbreviation) Corvette (Peruvian Navy; guided missile), Coal Measures, Colour Monitor, Communications, Compartmented Mode, Cost of Mission, cellular manufacturing22) Физиология: Cyclical Menses23) Шахматы: CheckMate24) Электроника: Cassette Module, Common Mode, Cross Modulation25) Вычислительная техника: . command mode, central module, computer module, control mark, Command Module (Apollo spacecraft, Space), Configuration Manager (BIOS, PNP), Compatibility Mode (PARISC, NM), Connection Management (RR, MM, GSM, Mobile-Systems), модуль связи, мультиплексор каналов связи, память на магнитных сердечниках, центральный модуль27) Иммунология: Clinical Modification, Clinical Modifications28) Биохимия: Quinacrine Mustard29) Онкология: Centimeter - 0.01 Meters30) Космонавтика: Command Module31) Картография: catholic mission32) Банковское дело: collusive merchant, Capital Market (IB&CM - Investment Banking and Capital Market)33) Фирменный знак: Cambridge Thermionics, Canyon Medical34) СМИ: Commercial Message, Contact Management35) Деловая лексика: Chosen Multiplier, антикризисный управляющий36) Глоссарий компании Сахалин Энерджи: cubic meter37) Образование: Common Man38) Сетевые технологии: Cable Modem, Connection Management, Content Management, cache-movable, command mode, communication module, communication multiplexer, communication multiplexing, configuration management, contact manager, control module, core memory39) Полимеры: compression molding, compression-molded40) Автоматика: coolant management41) Контроль качества: correction for mean42) Пластмассы: Chlorinated Polyethylene Rubber43) Сахалин Р: construction Management44) Океанография: Current Meter45) Химическое оружие: chemical matters46) Безопасность: Cryptological Mathematics47) Расширение файла: Bitmap graphics (8bit, Unix Puzzle), Data (CraftMan)48) Нефть и газ: УКС, управляющий кризисными ситуациями49) Электротехника: cyclically magnetized50) США: Central Michigan51) Имена и фамилии: Charles Mack, Chris Miller52) Должность: Case Manager, Cast Member, Certified Manager, Chief Minister, Chill Master, Construction Manager53) Чат: Chat Maniac, Chat Monitor54) NYSE. Coles Myer, LTD.55) НАСА: Command Module (Apollo)56) Программное обеспечение: Cache Manager, Compilation Manager57) Единицы измерений: Circular Mils, Curly Maple -
5 cM
1) Общая лексика: Crisis Manager (SEIC), central meridian2) Компьютерная техника: Computer Modeled, Contextual Menus3) Биология: carboxymethyl4) Авиация: Conversion Manual, call maintenance, collective modification, crew member5) Медицина: cochlear micriphonics (микрофонный эффект улитки)6) Американизм: Consequence Management7) Военный термин: Canada Medal, Chairman's Memorandum, Changes Made, Chemical, Collection Management Division, Collection Manager, Colonial Marines, Combat Magic, Communication Management, Conceptual Model, Council Memorandum, Counter-mobility, Countermine Activities, Memorandum by the Chairman, Joint Chiefs of Staff, career management, career motivation, center of mass, certificate of merit, chemical munitions, chief of maintenance, class of material, classified message, code message, collection management, combat materiel, command message, commander's manual, communications module, complementary manual, condition monitoring, confidential memorandum, continuous monitoring, contract management, contract modification, controlled minefield, corrective maintenance, cost model, countermeasures, countermortar, court martial, crewman, cruise missile, Countermeasure (s)8) Техника: Curtail M, camera module, coarse mixing, code modulation, color monitor, common memory, common-mode signal, communications memory, communications multiplexer, comparator, computer-manual, concentrating mirror, constant-mesh, contact mask, coolant melt, coolant mixing, core melt, radioelectronic countermeasures9) Сельское хозяйство: combustible matter10) Шутливое выражение: Condescension Man11) Химия: Cementitious Materials, Customized Microscopy12) Математика: Championship Manager, поправка на среднее значение (correction for mean), содержательная модель (conceptual model)13) Железнодорожный термин: Central Montana Rail Incorporated14) Юридический термин: Case Management, Colored Male15) Бухгалтерия: Compounding Method, Contribution Margin, маржинальная прибыль (стоимость продаж минус переменные затраты)16) Грубое выражение: Chick Magnet17) Дипломатический термин: (cruise missile) крылатая ракета18) Металлургия: country of melt19) Политика: Cameroon20) Телекоммуникации: Connection Manager, Communications Module (AT&T 5ESS)21) Сокращение: Certified Master, Cluster Munition, Common Market, Competent Munitions, Congregation of the Mission, Corresponding Member, CounterMine, Countermeasure, Court-Martial, circuit master, see C-M P&, Command Module (Apollo spacecraft), (type abbreviation) Corvette (Peruvian Navy; guided missile), Coal Measures, Colour Monitor, Communications, Compartmented Mode, Cost of Mission, cellular manufacturing22) Физиология: Cyclical Menses23) Шахматы: CheckMate24) Электроника: Cassette Module, Common Mode, Cross Modulation25) Вычислительная техника: . command mode, central module, computer module, control mark, Command Module (Apollo spacecraft, Space), Configuration Manager (BIOS, PNP), Compatibility Mode (PARISC, NM), Connection Management (RR, MM, GSM, Mobile-Systems), модуль связи, мультиплексор каналов связи, память на магнитных сердечниках, центральный модуль27) Иммунология: Clinical Modification, Clinical Modifications28) Биохимия: Quinacrine Mustard29) Онкология: Centimeter - 0.01 Meters30) Космонавтика: Command Module31) Картография: catholic mission32) Банковское дело: collusive merchant, Capital Market (IB&CM - Investment Banking and Capital Market)33) Фирменный знак: Cambridge Thermionics, Canyon Medical34) СМИ: Commercial Message, Contact Management35) Деловая лексика: Chosen Multiplier, антикризисный управляющий36) Глоссарий компании Сахалин Энерджи: cubic meter37) Образование: Common Man38) Сетевые технологии: Cable Modem, Connection Management, Content Management, cache-movable, command mode, communication module, communication multiplexer, communication multiplexing, configuration management, contact manager, control module, core memory39) Полимеры: compression molding, compression-molded40) Автоматика: coolant management41) Контроль качества: correction for mean42) Пластмассы: Chlorinated Polyethylene Rubber43) Сахалин Р: construction Management44) Океанография: Current Meter45) Химическое оружие: chemical matters46) Безопасность: Cryptological Mathematics47) Расширение файла: Bitmap graphics (8bit, Unix Puzzle), Data (CraftMan)48) Нефть и газ: УКС, управляющий кризисными ситуациями49) Электротехника: cyclically magnetized50) США: Central Michigan51) Имена и фамилии: Charles Mack, Chris Miller52) Должность: Case Manager, Cast Member, Certified Manager, Chief Minister, Chill Master, Construction Manager53) Чат: Chat Maniac, Chat Monitor54) NYSE. Coles Myer, LTD.55) НАСА: Command Module (Apollo)56) Программное обеспечение: Cache Manager, Compilation Manager57) Единицы измерений: Circular Mils, Curly Maple -
6 cm
1) Общая лексика: Crisis Manager (SEIC), central meridian2) Компьютерная техника: Computer Modeled, Contextual Menus3) Биология: carboxymethyl4) Авиация: Conversion Manual, call maintenance, collective modification, crew member5) Медицина: cochlear micriphonics (микрофонный эффект улитки)6) Американизм: Consequence Management7) Военный термин: Canada Medal, Chairman's Memorandum, Changes Made, Chemical, Collection Management Division, Collection Manager, Colonial Marines, Combat Magic, Communication Management, Conceptual Model, Council Memorandum, Counter-mobility, Countermine Activities, Memorandum by the Chairman, Joint Chiefs of Staff, career management, career motivation, center of mass, certificate of merit, chemical munitions, chief of maintenance, class of material, classified message, code message, collection management, combat materiel, command message, commander's manual, communications module, complementary manual, condition monitoring, confidential memorandum, continuous monitoring, contract management, contract modification, controlled minefield, corrective maintenance, cost model, countermeasures, countermortar, court martial, crewman, cruise missile, Countermeasure (s)8) Техника: Curtail M, camera module, coarse mixing, code modulation, color monitor, common memory, common-mode signal, communications memory, communications multiplexer, comparator, computer-manual, concentrating mirror, constant-mesh, contact mask, coolant melt, coolant mixing, core melt, radioelectronic countermeasures9) Сельское хозяйство: combustible matter10) Шутливое выражение: Condescension Man11) Химия: Cementitious Materials, Customized Microscopy12) Математика: Championship Manager, поправка на среднее значение (correction for mean), содержательная модель (conceptual model)13) Железнодорожный термин: Central Montana Rail Incorporated14) Юридический термин: Case Management, Colored Male15) Бухгалтерия: Compounding Method, Contribution Margin, маржинальная прибыль (стоимость продаж минус переменные затраты)16) Грубое выражение: Chick Magnet17) Дипломатический термин: (cruise missile) крылатая ракета18) Металлургия: country of melt19) Политика: Cameroon20) Телекоммуникации: Connection Manager, Communications Module (AT&T 5ESS)21) Сокращение: Certified Master, Cluster Munition, Common Market, Competent Munitions, Congregation of the Mission, Corresponding Member, CounterMine, Countermeasure, Court-Martial, circuit master, see C-M P&, Command Module (Apollo spacecraft), (type abbreviation) Corvette (Peruvian Navy; guided missile), Coal Measures, Colour Monitor, Communications, Compartmented Mode, Cost of Mission, cellular manufacturing22) Физиология: Cyclical Menses23) Шахматы: CheckMate24) Электроника: Cassette Module, Common Mode, Cross Modulation25) Вычислительная техника: . command mode, central module, computer module, control mark, Command Module (Apollo spacecraft, Space), Configuration Manager (BIOS, PNP), Compatibility Mode (PARISC, NM), Connection Management (RR, MM, GSM, Mobile-Systems), модуль связи, мультиплексор каналов связи, память на магнитных сердечниках, центральный модуль27) Иммунология: Clinical Modification, Clinical Modifications28) Биохимия: Quinacrine Mustard29) Онкология: Centimeter - 0.01 Meters30) Космонавтика: Command Module31) Картография: catholic mission32) Банковское дело: collusive merchant, Capital Market (IB&CM - Investment Banking and Capital Market)33) Фирменный знак: Cambridge Thermionics, Canyon Medical34) СМИ: Commercial Message, Contact Management35) Деловая лексика: Chosen Multiplier, антикризисный управляющий36) Глоссарий компании Сахалин Энерджи: cubic meter37) Образование: Common Man38) Сетевые технологии: Cable Modem, Connection Management, Content Management, cache-movable, command mode, communication module, communication multiplexer, communication multiplexing, configuration management, contact manager, control module, core memory39) Полимеры: compression molding, compression-molded40) Автоматика: coolant management41) Контроль качества: correction for mean42) Пластмассы: Chlorinated Polyethylene Rubber43) Сахалин Р: construction Management44) Океанография: Current Meter45) Химическое оружие: chemical matters46) Безопасность: Cryptological Mathematics47) Расширение файла: Bitmap graphics (8bit, Unix Puzzle), Data (CraftMan)48) Нефть и газ: УКС, управляющий кризисными ситуациями49) Электротехника: cyclically magnetized50) США: Central Michigan51) Имена и фамилии: Charles Mack, Chris Miller52) Должность: Case Manager, Cast Member, Certified Manager, Chief Minister, Chill Master, Construction Manager53) Чат: Chat Maniac, Chat Monitor54) NYSE. Coles Myer, LTD.55) НАСА: Command Module (Apollo)56) Программное обеспечение: Cache Manager, Compilation Manager57) Единицы измерений: Circular Mils, Curly Maple -
7 CM
CM, Canada Medal————————CM, career management————————CM, career motivation————————CM, center of mass————————CM, certificate of meritудостоверение о награждении; грамота————————CM, Chairman's Memorandum————————CM, chemical munitions————————CM, chief of maintenance————————CM, class of material————————CM, classified message————————CM, code message————————CM, collection management————————CM, combat materiel————————CM, command messageкомандное сообщение; сообщение по вопросам управления————————CM, command moduleмодуль (системы) управления; командный модуль————————CM, commander's manual————————CM, communications module————————CM, complementary manualдополнительная инструкция [руководство]————————CM, condition monitoring————————CM, confidential memorandum————————CM, continuous monitoringпостоянный мониторинг [контроль]————————CM, contract management————————CM, contract modification————————CM, controlled minefield————————CM, corrective maintenance————————CM, cost model————————CM, countermeasuresпротиводействие; меры противодействия————————CM, countermortar————————CM, court martialвоенный суд [трибунал]————————CM, crewmanчлен экипажа [команды]; номер (боевого) расчета————————CM, cruise missileкрылатая ракета, КР————————CM; C-M, Council Memorandum————————CM; C/M, configuration managementEnglish-Russian dictionary of planing, cross-planing and slotting machines > CM
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8 Schawlow, Arthur Leonard
[br]b. 5 May 1921 Mount Vernon, New York, USA[br]American physicist involved in laser-spectroscopy research.[br]When Arthur L.Schawlow was 3 years old his family moved to Canada: it was in Toronto that he received his education, graduating from the University of Toronto with a BA in physics in 1941. He was awarded an MA in 1942, taught classes for military personnel at the University until 1944 and worked for a year on radar equipment. He returned to the University of Toronto in 1945 to carry out research on optical spectroscopy and received his PhD in 1949. From 1949 to 1951 he held a postgraduate fellowship at Columbia University, where he worked with Charles H. Townes on microwave spectroscopy. From 1951 to 1961 he was a research physicist at the Bell Telephone Laboratories, working mainly on superconductivity, but he maintained his association with Townes, who had pioneered the maser (an acronym of microwave amplification by stimulated emission of radiation). In a paper published in Physical Review in December 1958, Townes and Schawlow suggested the possibility of a development into optical frequencies or an optical maser, later known as a laser (an acronym of light amplification by stimulated emission of radiation). In 1960 the first such device was made by Theodore H. Maiman. In 1960 Schawlow returned to Columbia University as a visiting professor and in the following year was appointed Professor of Physics at Stanford University, where he continued his researches in laser spectroscopy. He is a member of the National Academy of Sciences, the American Physical Society, the Optical Society of America and the Institute of Electrical and Electronic Engineers.[br]Principal Honours and DistinctionsNobel Prize for Physics 1981. Franklin Institute Stuart Ballantine Medal 1962. Institute of Physics of London Thomas Young Medal and Prize 1963. Institute of Electrical and Electronics Engineers Morris N.Liebmann Memorial Prize 1964. Optical Society of America Frederick Ives Medal 1976. Honorary degrees from the State University of Ghent, the University of Bradford and the University of Toronto.BibliographySchawlow is the author of many scientific papers and, with Charles H.Townes, ofMicrowave Spectroscopy (1955).Further ReadingT.Wasson (ed.), 1987, Nobel Prize Winners, New York, pp. 930–3 (contains a short biography).RTSBiographical history of technology > Schawlow, Arthur Leonard
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9 Watson-Watt, Sir Robert Alexander
[br]b. 13 April 1892 Brechin, Angus, Scotlandd. 6 December 1973 Inverness, Scotland[br]Scottish engineer and scientific adviser known for his work on radar.[br]Following education at Brechin High School, Watson-Watt entered University College, Dundee (then a part of the University of St Andrews), obtaining a BSc in engineering in 1912. From 1912 until 1921 he was Assistant to the Professor of Natural Philosophy at St Andrews, but during the First World War he also held various posts in the Meteorological Office. During. this time, in 1916 he proposed the use of cathode ray oscillographs for radio-direction-finding displays. He joined the newly formed Radio Research Station at Slough when it was opened in 1924, and 3 years later, when it amalgamated with the Radio Section of the National Physical Laboratory, he became Superintendent at Slough. At this time he proposed the name "ionosphere" for the ionized layer in the upper atmosphere. With E.V. Appleton and J.F.Herd he developed the "squegger" hard-valve transformer-coupled timebase and with the latter devised a direction-finding radio-goniometer.In 1933 he was asked to investigate possible aircraft counter-measures. He soon showed that it was impossible to make the wished-for radio "death-ray", but had the idea of using the detection of reflected radio-waves as a means of monitoring the approach of enemy aircraft. With six assistants he developed this idea and constructed an experimental system of radar (RAdio Detection And Ranging) in which arrays of aerials were used to detect the reflected signals and deduce the bearing and height. To realize a practical system, in September 1936 he was appointed Director of the Bawdsey Research Station near Felixstowe and carried out operational studies of radar. The result was that within two years the East Coast of the British Isles was equipped with a network of radar transmitters and receivers working in the 7–14 metre band—the so-called "chain-home" system—which did so much to assist the efficient deployment of RAF Fighter Command against German bombing raids on Britain in the early years of the Second World War.In 1938 he moved to the Air Ministry as Director of Communications Development, becoming Scientific Adviser to the Air Ministry and Ministry of Aircraft Production in 1940, then Deputy Chairman of the War Cabinet Radio Board in 1943. After the war he set up Sir Robert Watson-Watt \& Partners, an industrial consultant firm. He then spent some years in relative retirement in Canada, but returned to Scotland before his death.[br]Principal Honours and DistinctionsKnighted 1942. CBE 1941. FRS 1941. US Medal of Merit 1946. Royal Society Hughes Medal 1948. Franklin Institute Elliot Cresson Medal 1957. LLD St Andrews 1943. At various times: President, Royal Meteorological Society, Institute of Navigation and Institute of Professional Civil Servants; Vice-President, American Institute of Radio Engineers.Bibliography1923, with E.V.Appleton \& J.F.Herd, British patent no. 235,254 (for the "squegger"). 1926, with J.F.Herd, "An instantaneous direction reading radio goniometer", Journal ofthe Institution of Electrical Engineers 64:611.1933, The Cathode Ray Oscillograph in Radio Research.1935, Through the Weather Hours (autobiography).1936, "Polarisation errors in direction finders", Wireless Engineer 13:3. 1958, Three Steps to Victory.1959, The Pulse of Radar.1961, Man's Means to his End.Further ReadingS.S.Swords, 1986, Technical History of the Beginnings of Radar, Stevenage: Peter Peregrinus.KFBiographical history of technology > Watson-Watt, Sir Robert Alexander
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10 Bell, Alexander Graham
SUBJECT AREA: Telecommunications[br]b. 3 March 1847 Edinburgh, Scotlandd. 3 August 1922 Beinn Bhreagh, Baddeck, Cape Breton Island, Nova Scotia, Canada[br]Scottish/American inventor of the telephone.[br]Bell's grandfather was a professor of elocution in London and his father an authority on the physiology of the voice and on elocution; Bell was to follow in their footsteps. He was educated in Edinburgh, leaving school at 13. In 1863 he went to Elgin, Morayshire, as a pupil teacher in elocution, with a year's break to study at Edinburgh University; it was in 1865, while still in Elgin, that he first conceived the idea of the electrical transmission of speech. He went as a master to Somersetshire College, Bath (now in Avon), and in 1867 he moved to London to assist his father, who had taken up the grandfather's work in elocution. In the same year, he matriculated at London University, studying anatomy and physiology, and also began teaching the deaf. He continued to pursue the studies that were to lead to the invention of the telephone. At this time he read Helmholtz's The Sensations of Tone, an important work on the theory of sound that was to exert a considerable influence on him.In 1870 he accompanied his parents when they emigrated to Canada. His work for the deaf gained fame in both Canada and the USA, and in 1873 he was apponted professor of vocal physiology and the mechanics of speech at Boston University, Massachusetts. There, he continued to work on his theory that sound wave vibrations could be converted into a fluctuating electric current, be sent along a wire and then be converted back into sound waves by means of a receiver. He approached the problem from the background of the theory of sound and voice production rather than from that of electrical science, and by 1875 he had succeeded in constructing a rough model. On 7 March 1876 Bell spoke the famous command to his assistant, "Mr Watson, come here, I want you": this was the first time a human voice had been transmitted along a wire. Only three days earlier, Bell's first patent for the telephone had been granted. Almost simultaneously, but quite independently, Elisha Gray had achieved a similar result. After a period of litigation, the US Supreme Court awarded Bell priority, although Gray's device was technically superior.In 1877, three years after becoming a naturalized US citizen, Bell married the deaf daughter of his first backer. In August of that year, they travelled to Europe to combine a honeymoon with promotion of the telephone. Bell's patent was possibly the most valuable ever issued, for it gave birth to what later became the world's largest private service organization, the Bell Telephone Company.Bell had other scientific and technological interests: he made improvements in telegraphy and in Edison's gramophone, and he also developed a keen interest in aeronautics, working on Curtiss's flying machine. Bell founded the celebrated periodical Science.[br]Principal Honours and DistinctionsLegion of Honour; Hughes Medal, Royal Society, 1913.Further ReadingObituary, 7 August 1922, The Times. Dictionary of American Biography.R.Burlingame, 1964, Out of Silence into Sound, London: Macmillan.LRD -
11 silver
silver ['sɪlvə(r)]1 noun∎ I'd like two £10 notes and the rest in silver je voudrais deux billets de 10 livres et le reste en pièces (de monnaie);∎ a pound in silver une livre en argent, une livre en pièces ou en monnaie d'argent(c) (UNCOUNT) (dishes) argenterie f; (cutlery → gen) couverts mpl; (→ made of silver) argenterie f, couverts mpl en argent;∎ to clean the silver nettoyer ou faire l'argenterie∎ he's hoping to win the silver il espère remporter la médaille d'argent(a) (of silver) d'argent, en argent;∎ is your ring silver? est-ce que votre bague est en argent?;∎ he was born with a silver spoon in his mouth il est né coiffé(b) (in colour) argenté, argent (inv);∎ silver hair des cheveux argentés∎ she has a silver tongue elle sait parler3 adverb∎ to go silver (record) devenir disque d'argent∎ the moon silvered the lake la lune donnait au lac des reflets d'argent►► silver birch bouleau m blanc;silver bromide bromure m d'argent;silver certificate papier-monnaie m (garanti par les réserves métalliques en argent);silver chloride chlorure m d'argent;silver collection quête f;silver disc disque m d'argent;silver foil papier m d'aluminium;silver fox renard m argenté;silver grey gris m argenté;silver iodide iodure m d'argent;silver jubilee (fête f du) vingt-cinquième anniversaire m;∎ the Queen's silver jubilee le vingt-cinquième anniversaire de l'accession au trône de la reine;silver maple érable m à sucre ou du Canada;Sport silver medal médaille f d'argent;silver mine mine f d'argent;silver nitrate nitrate m d'argent;silver ore minerai m argentifère;silver paper papier m d'argent;∎ the cutlery is silver plate les couverts sont en plaqué argent(b) (tableware) argenterie f;silver plating argentage m; (layer) argenture f;the silver screen le grand écran, le cinéma;∎ stars of the silver screen stars fpl du grand écran;silver service (in restaurant) service m de grande classe; esp British silver service waiter serveur m pour service au guéridon; esp British silver service waitress serveuse f pour service au guéridon;silver standard étalon m argent;the Silver State = surnom donné au Nevada;silver wedding (anniversary) noces fpl d'argent -
12 Marrison, Warren Alvin
[br]b. 21 May 1896 Inverary, Canadad. 27 March 1980 Palo Verdes Estates, California, USA[br]Canadian (naturalized American) electrical engineer, pioneer of the quartz clock.[br]Marrison received his high-school education at Kingston Collegiate Institute, Ontario, and in 1914 he entered Queen's University in Kingston. He graduated in Engineering Physics in 1920, his college career having been interrupted by war service in the Royal Flying Corps. During his service in the Flying Corps he worked on radio, and when he returned to Kingston he established his own transmitter. This interest in radio was later to influence his professional life.In 1921 he entered Harvard University, where he obtained an MA, and shortly afterwards he joined the Western Electric Company in New York to work on the recording of sound on film. In 1925 he transferred to Western Electric's Bell Laboratory, where he began what was to become his life's work: the development of frequency standards for radio transmission. In 1922 Cady had used the elastic vibration of a quartz crystal to control the frequency of a valve oscillator, but at that time there was no way of counting and displaying the number of vibrations as the frequency was too high. In 1927 Marrison succeeded in dividing the frequency electronically until it was low enough to drive a synchronous motor. Although his purpose was to determine the frequency accurately by counting the number of vibrations that occurred in a given time, he had incidentally produced the first quartz-crystal -ontrolled clock. The results were sufficiently encouraging for him to build an improved version the following year, specifically as a time and frequency standard.[br]Principal Honours and DistinctionsBritish Horological Institute Gold Medal 1947. Clockmakers' Company Tompion Medal 1955.Bibliography1928, with J.W.Horton, "Precision measurement of frequency", Proceedings of the Institute of Radio Engineers 16:137–54 (provides details of the original quartz clock, although it was not described as such).1930, "The crystal clock", Proceedings of the National Academy of Sciences 16:496–507 (describes the second clock).Further ReadingW.R.Topham, 1989, "Warren A.Marrison—pioneer of the quartz revolution", NAWCC Bulletin 31(2):126–34.J.D.Weaver, 1982, Electrical and Electronic Clocks and Watches, London (a technical assessment of his work on the quartz clock).DV -
13 Morse, Samuel Finley Breeze
SUBJECT AREA: Telecommunications[br]b. 27 April 1791 Charlestown, Massachusetts, USAd. 2 April 1872 New York City, New York, USA[br]American portrait painter and inventor, b est known for his invention of the telegraph and so-called Morse code.[br]Following early education at Phillips Academy, Andover, at the age of 14 years Morse went to Yale College, where he developed interests in painting and electricity. Upon graduating in 1810 he became a clerk to a Washington publisher and a pupil of Washington Allston, a well-known American painter. The following year he travelled to Europe and entered the London studio of another American artist, Benjamin West, successfully exhibiting at the Royal Academy as well as winning a prize and medal for his sculpture. Returning to Boston and finding little success as a "historical-style" painter, he built up a thriving portrait business, moving in 1818 to Charleston, South Carolina, where three years later he established the (now defunct) South Carolina Academy of Fine Arts. In 1825 he was back in New York, but following the death of his wife and both of his parents that year, he embarked on an extended tour of European art galleries. In 1832, on the boat back to America, he met Charles T.Jackson, who told him of the discovery of the electromagnet and fired his interest in telegraphy to the extent that Morse immediately began to make suggestions for electrical communications and, apparently, devised a form of printing telegraph. Although he returned to his painting and in 1835 was appointed the first Professor of the Literature of Art and Design at the University of New York City, he began to spend more and more time experimenting in telegraphy. In 1836 he invented a relay as a means of extending the cable distance over which telegraph signals could be sent. At this time he became acquainted with Alfred Vail, and the following year, when the US government published the requirements for a national telegraph service, they set out to produce a workable system, with finance provided by Vail's father (who, usefully, owned an ironworks). A patent was filed on 6 October 1837 and a successful demonstration using the so-called Morse code was given on 6 January 1838; the work was, in fact, almost certainly largely that of Vail. As a result of the demonstration a Bill was put forward to Congress for $30,000 for an experimental line between Washington and Baltimore. This was eventually passed and the line was completed, and on 24 May 1844 the first message, "What hath God wrought", was sent between the two cities. In the meantime Morse also worked on the insulation of submarine cables by means of pitch tar and indiarubber.With success achieved, Morse offered his invention to the Government for $100,000, but this was declined, so the invention remained in private hands. To exploit it, Morse founded the Magnetic Telephone Company in 1845, amalgamating the following year with the telegraph company of a Henry O'Reilly to form Western Union. Having failed to obtain patents in Europe, he now found himself in litigation with others in the USA, but eventually, in 1854, the US Supreme Court decided in his favour and he soon became very wealthy. In 1857 a proposal was made for a telegraph service across the whole of the USA; this was completed in just over four months in 1861. Four years later work began on a link to Europe via Canada, Alaska, the Aleutian Islands and Russia, but it was abandoned with the completion of the transatlantic cable, a venture in which he also had some involvement. Showered with honours, Morse became a generous philanthropist in his later years. By 1883 the company he had created was worth $80 million and had a virtual monopoly in the USA.[br]Principal Honours and DistinctionsLLD, Yale 1846. Fellow of the Academy of Arts and Sciences 1849. Celebratory Banquet, New York, 1869. Statue in New York Central Park 1871. Austrian Gold Medal of Scientific Merit. Danish Knight of the Danneborg. French Légion d'honneur. Italian Knight of St Lazaro and Mauritio. Portuguese Knight of the Tower and Sword. Turkish Order of Glory.BibliographyE.L.Morse (ed.), 1975, Letters and Journals, New York: Da Capo Press (facsimile of a 1914 edition).Further ReadingJ.Munro, 1891, Heroes of the Telegraph (discusses his telegraphic work and its context).C.Mabee, 1943, The American Leonardo: A Life of Samuel Morse; reprinted 1969 (a detailed biography).KFBiographical history of technology > Morse, Samuel Finley Breeze
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14 ♦ silver
♦ silver /ˈsɪlvə(r)/A n.1 [u] (chim.) argento2 [u] argenteria; posate d'argento; oggetti d'argento: table silver, argenteria da tavola; to polish silver, lucidare l'argenteria4 [u] color argento5 [u] (fotogr.) sale d'argentoB a. attr.d'argento; argenteo; argentino: a silver coin, una moneta d'argento; the silver moon, l'argentea luna; the silver age, l'età argentea ( della letteratura latina); a silver voice, una voce argentina● silver anniversary = silver wedding ► sotto □ (fotogr.) silver bath, bagno di nitrato d'argento □ (bot.) silver birch ( Betula verrucosa), betulla bianca □ (pop. USA) silver bullet, soluzione miracolosa; toccasana □ (econ.) silver bullion, argento monetabile □ silver cleaner, apparecchio (o sostanza) per pulire l'argenteria □ (bot.) silver fir ( Abies alba), abete bianco □ silver foil, foglia (o lamina) d'argento; ( anche) stagnola □ (zool.) silver fox ( Vulpes fulva), volpe argentata □ silver frost = silver thaw ► sotto □ silver gilt, argento dorato □ silver-grey, grigio argento □ (miner.) silver glance, argentite □ silver hair, capelli argentei □ silver-haired, dai capelli argentei □ (metall.) silver iron, ghisa grigia □ silver jubilee, 25В° anniversario ( di regno, ecc.) □ silver leaf, foglia (o lamina) d'argento □ (fig.) silver lining, motivo di ottimismo; aspetto positivo (► cloud) □ silver medal, medaglia d'argento □ ( sport) silver medallist, medaglia d'argento ( il giocatore o la squadra) □ silver paper, stagnola □ silver plate, silverplate; oggetti ( vasellame, ecc.) placcati in argento □ silver-plated, placcato d'argento □ silver-plating, argentatura; placcatura d'argento □ (cinem.) silver screen, schermo argentato; il cinema □ (econ.) silver standard, monometallismo argenteo □ ( Canada) silver thaw, ghiaccio vetroso argenteo □ (fig. lett.) silver tongue, eloquenza □ (lett.) silver-tongued, assai eloquente □ (bot.) silver wattle ( Acacia dealbata), acacia argentata □ silver wedding, nozze d'argento □ (fig.) to be born with a silver spoon in one's mouth, essere nato con la camicia □ (fig.) to sell the family silver, vendere i gioielli di famiglia (fig.).(to) silver /ˈsɪlvə(r)/A v. t.B v. i.silveringn. [uc]2 (fig.) inargentatura. -
15 back
A n1 Anat, Zool dos m ; to be (flat) on one's back lit être (à plat) sur le dos ; fig être au lit ; to sleep on one's back dormir sur le dos ; he was lying on his back il était allongé sur le dos ; to travel on the back of a donkey voyager à dos d'âne ; to have one's back to sb/sth tourner le dos à qn/qch ; with her back to the door le dos tourné vers la porte ; to turn one's back on sb/sth lit, fig tourner le dos à qn/qch ; as soon as my back is turned dès que j'ai le dos tourné ; to do sth behind sb's back lit, fig faire qch dans le dos de qn ; with one's back to the engine dans le sens contraire à la marche ; to put one's back into it ○ travailler dur ; put your back into it ○ ! allons, un peu de nerf ○ ! ; he's always on my back ○ il est toujours sur mon dos ; get off my back ○ ! fiche-moi la paix ○ ! ; I was glad to see the back of him j'étais content de le voir partir ; to be at the back of être à l'origine de [conspiracy, proposal] ; to put sb's back up offenser qn ; to live off sb's back vivre aux crochets de qn ;2 ( reverse side) (of page, cheque, card, envelope) dos m, verso m ; ( of fabric) envers m ; (of medal, coin) revers m ; on the back of an envelope au dos d'une enveloppe ; to sign the back of a cheque endosser un chèque ; the back of the hand le dos de la main ;4 ( rear-facing part) ( of vehicle) arrière m ; ( of electrical appliance) face f arrière ; (of shirt, coat) dos m ; to hang one's coat on the back of the door pendre son manteau derrière la porte ; the shelves are oak but the back is plywood les étagères sont en chêne mais le fond est en contreplaqué ; a blow to the back of the head un coup sur l'arrière de la tête ; a lump on the back of the head une bosse derrière la tête ; the knife fell down the back of the fridge le couteau est tombé derrière le réfrigérateur ; the keys were down the back of the sofa les clés avaient glissé derrière les coussins du canapé ;5 ( area behind building) to be out back, to be in the back US ( in the garden) être dans le jardin ; ( in the yard) être dans la cour ; he's round ou in the back il est dans le jardin ; the view out back is lovely la vue que l'on a à l'arrière est très jolie ; there's a small garden out back ou round the back il y a un petit jardin derrière ; the bins are out back ou round the back les poubelles sont derrière la maison ; the steps at the back of the building l'escalier à l'arrière de l'immeuble ;6 Aut arrière m ; to sit in the back s'asseoir à l'arrière ; there are three children in the back il y a trois enfants à l'arrière ; to sit at the back of the plane/at the back of the bus s'asseoir à l'arrière de l'avion/au fond du bus ;7 ( furthest away area) (of cupboard, drawer, fridge) fond m ; ( of stage) fond m ; at ou in the back of the drawer au fond du tiroir ; right at the back of the cupboard tout au fond du placard ; at the back of the audience au fond de la salle ; those at the back couldn't see ceux qui étaient derrière ne pouvaient pas voir ; the back of the throat l'arrière-gorge f ; the back of the mouth la gorge f ;8 (of chair, sofa) dossier m ;11 ( book spine) dos m.B adj1 ( at the rear) [axle, wheel, bumper] arrière ; [paw, leg] arrière ; [bedroom] du fond ; [edge] arrière ; [page] dernier/-ière (before n) ; [garden, gate] de derrière ; back tooth molaire f ;C adv1 ( indicating return after absence) to be back être de retour ; I'll be back in five minutes/six weeks je reviens dans cinq minutes/six semaines ; to arrive ou come back rentrer (from de) ; he's back at work il a repris le travail ; she's back in (the) hospital elle est retournée à l'hôpital ; it's good to be back home c'est agréable de rentrer chez soi or de se retrouver à la maison ; when is he due back? quand doit-il rentrer? ; to go back to reprendre [work] ; retourner en [France, China] ; retourner au [Canada, Japan] ; retourner à [Paris, museum, shop] ; the mini-skirt is back ( in fashion) les mini-jupes sont de nouveau à la mode ;2 ( in return) to call ou phone back rappeler ; I'll write back (to him) je lui répondrai ; he hasn't written back yet il n'a pas encore répondu ; ‘OK,’ he shouted back ‘OK,’ a-t-il répondu en criant ; to punch sb back rendre son coup à qn ; to smile back at sb rendre son sourire à qn ; he was rude back il a été aussi impoli avec moi que je l'avais été avec lui ; ⇒ answer ;3 (backwards, in a reverse direction) [glance, jump, step, lean] en arrière ;4 ( away) we overtook him 20 km back nous l'avons doublé il y a 20 km ; there's a garage 10 km back nous avons passé un garage à 10 km en arrière ;6 ( a long time ago) back in 1964/April en 1964/avril ; back before Easter/the revolution avant Pâques/la révolution ; back in the days when du temps où ; it was obvious as far back as last year/1985 that déjà l'année dernière/en 1985 il était évident que ; to go ou date back to remonter à [Roman times, 1700] ;7 ( once again) she's back in power/control elle a repris le pouvoir/les commandes ; Paul is back at the wheel Paul a repris le volant ; to get back to sleep se rendormir ; to go back home rentrer chez soi ; to go back to bed se recoucher ;8 ( nearer the beginning) ten lines back dix lignes plus haut ; ten pages back dix pages plus tôt or avant ;9 ( indicating return to sb's possession) to give/send sth back rendre/renvoyer qch (to à) ; to put sth back remettre qch ; I've got my books back on m'a rendu mes livres ; to get one's money back être remboursé ; he wants his dictionary back now il veut que tu lui rendes son dictionnaire tout de suite ;10 ( expressing a return to a former location) to travel to London and back faire l'aller-retour à Londres ; the journey to Madrid and back l'aller-retour à Madrid ; we walked there and took the train back nous y sommes allés à pied et nous avons pris le train pour rentrer ; how long will it take to drive back? combien de temps est-ce que ça prendra pour rentrer en voiture? ;11 ( in a different location) meanwhile, back in France, he… pendant ce temps, en France, il… ; back in the studio, recording had begun au studio, l'enregistrement avait commencé ; I'll see you back at the house/in the office je te verrai à la maison/au bureau.D back and forth adv phr to go ou travel back and forth ( commute) [person, bus] faire la navette (between entre) ; to walk ou go back and forth faire des allées et venues (between entre) ; to swing back and forth [pendulum] osciller ; to sway back and forth se balancer ; the film cuts ou moves back and forth between New York and Paris le film se passe entre New York et Paris.E vtr1 ( support) soutenir [candidate, party, person, bid, bill, action] ; appuyer [application] ; apporter son soutien à [enterprise, project] ; the strike is backed by the union le syndicat soutient la grève ; the junta is backed by the militia la junte est soutenue par la milice ;2 ( finance) financer [project, undertaking] ;4 ( substantiate) justifier [argument, claim] (with à l'aide de) ;5 ( reverse) faire reculer [horse] ; to back the car into the garage rentrer la voiture au garage en marche arrière ; to back sb into/against sth faire reculer qn dans/contre qch ; to back oars ou water déramer ;6 ( bet on) parier sur [horse, favourite, winner] ; to back a loser [race goer] miser sur un cheval perdant ; fig ( invest ill-advisedly) mal placer son argent ; ( support a lost cause) soutenir une cause perdue d'avance ; to back the wrong horse lit, fig miser sur le mauvais cheval ;7 (stiffen, line) consolider, renforcer [structure] ; endosser [book] ; renforcer, entoiler [map] ; maroufler [painting] ; doubler [fabric] ;8 Mus accompagner [singer, performer] ;9 Naut masquer, coiffer [sail].F vi1 ( reverse) faire marche arrière ;2 Naut [wind] changer de direction.G - backed (dans composés)1 ( of furniture) a high-/low-backed chair une chaise avec un dossier haut/bas ;2 (lined, stiffened) canvas-/foam-backed doublé de toile/de mousse ;4 ( financed) government-backed financé par l'État.to break the back of a journey/task faire le plus gros du voyage/travail. ⇒ beyond, duck, hand, own, scratch, wall.■ back away reculer ; to back away from lit s'éloigner de [person, precipice] ; fig prendre ses distances par rapport à [issue, problem] ; chercher à éviter [confrontation].■ back down:▶ back down ( give way) céder ; you can't back down now tu ne peux pas céder maintenant ; to back down from chercher à éviter [confrontation] ; to back down on ou over reconsidérer [sanctions, proposal, allegations] ;▶ back down [sth] [person] descendre [qch] à reculons [slope] ; [car] descendre [qch] en marche arrière [drive, hill].■ back off1 ( move away) reculer ;■ back onto:▶ back onto [sth] [house] donner sur [qch] à l'arrière [fields, railway].■ back out:▶ back out1 ( come out backwards) [person] sortir à reculons ; [car, driver] sortir en marche arrière ; to back out of [person] sortir de [qch] en reculant [room] ; [car, driver] sortir de [qch] en marche arrière [garage, parking space] ;2 ( renege on) se désister, reculer ; to back out of annuler [deal, contract] ; [competitor, team] se retirer de [event] ;▶ back [sth] out faire sortir [qch] en marche arrière [vehicle] ; to back the car out of the garage faire sortir la voiture du garage en marche arrière.■ back up:▶ back up1 ( reverse) [driver, vehicle] reculer, faire marche arrière ; back up a few metres recule de quelques mètres ;▶ back [sth] up, back up [sth]2 Comput sauvegarder [data, file] ;▶ back [sb] up soutenir [person]. -
16 Boeing, William Edward
SUBJECT AREA: Aerospace[br]b. 1 October 1881 Detroit, Michigan, USAd. 28 September 1956 USA[br]American aircraft designer, creator of one of the most successful aircraft manufacturing companies in the world.[br]In 1915 William E.Boeing and his friend Commander Conrad Westervelt decided that they could improve on the aeroplanes then being produced in the United States. Boeing was a prominent Seattle businessman with interests in land and timber, while Westervelt was an officer in the US Navy. They bought a Martin Model T float-plane in order to gain some experience and then produced their own design, the B \& W, which first flew in June 1916. Westervelt was transferred to the East, leaving Boeing to continue the production of the B \& W floatplanes, for which purpose he set up the Pacific Aero Products Company. On 26 April 1917 this became the Boeing Airplane Company, which prospered following the US involvement in the First World War.In March 1919 Boeing and Edward Hubbard inaugurated the world's first international airmail service between Seattle and Vancouver, British Columbia, Canada. The Boeing Company then had to face the slump in aircraft manufacturing after the war: they survived, and by 1922 they had started producing a successful series of fighters while continuing to develop their flying-boat and floatplane designs. Boeing set up the Boeing Air Transport Corporation to tender for lucrative airmail contracts and then produced aircraft which could out-perform those of his rivals. The company went from strength to strength and by the end of the 1920s a huge conglomerate had been built up: the United Aircraft and Transport Corporation. They produced an advanced high-speed monoplane mailplane, the model 200 Monomail in 1930, which saw the birth of a new era of Boeing designs.The Wall Street crash of 1929 and legislation in 1934, which banned any company from both building aeroplanes and running an airline, were setbacks which the Boeing Airplane Company overcame, moving ahead to become world leaders. William E.Boeing decided that it was time he retired, but he returned to work during the Second World War.[br]Principal Honours and DistinctionsGuggenheim Medal 1934.Further ReadingC.Chant, 1982, Boeing: The World's Greatest Planemakers, Hadley Wood, England (describes William E.Boeing's part in the founding and building up of the Boeing Company).P.M.Bowers, 1990, Boeing Aircraft since 1916, 3rd edn, London (covers Boeing's aircraft).Boeing Company, 1977, Pedigree of Champions: Boeing since 1916, Seattle.JDS -
17 Colpitts, Edwin Henry
[br]b. 9 January 1872 Pointe de Bute, Canadad. 6 March 1949 Orange, New Jersey, USA[br]Canadian physicist and electrical engineer responsible for important developments in electronic-circuit technology.[br]Colpitts obtained Bachelor's degrees at Mount Allison University, Sackville, New Brunswick, and Harvard in 1894 and 1896, respectively, followed by a Master's degree at Harvard in 1897. After two years as assistant to the professor of physics there, he joined the American Bell Telephone Company. When the Bell Company was reorganized in 1907, he moved to the Western Electric branch of the company in New York as Head of the Physical Laboratories. In 1911 he became a director of the Research Laboratories, and in 1917 he became Assistant Chief Engineer of the company. During this time he invented both the push-pull amplifier and the Colpitts oscillator, both major developments in communications. In 1917, during the First World War, he spent some time in France helping to set up the US Signal Corps Research Laboratories. Afterwards he continued to do much, both technically and as a manager, to place telephone communications on a firm scientific basis, retiring as Vice-President of the Bell Telephone Laboratories in 1937. With the outbreak of the Second World War in 1941 he was recalled from retirement and appointed Director of the Engineering Foundation to work on submarine warfare techniques, particularly echo-ranging.[br]Principal Honours and DistinctionsOrder of the Rising Sun, Japan, 1938. US Medal of Merit 1948.Bibliography1919, with E.B.Craft, "Radio telephony", Proceedings of the American Institution of Electrical Engineers 38:337.1921, with O.B.Blackwell, "Carrier current telephony and telegraphy", American Institute of Electrical Engineers Transactions 40:205.11 September 1915, US reissue patent no. 15,538 (control device for radio signalling).28 August 1922, US patent no. 1,479,638 (multiple signal reception).Further ReadingM.D.Fagen, 1975, A History of Engineering \& Science in the Bell System, Vol. 1, Bell Laboratories.See also: Hartley, Ralph V.L.KF -
18 Dow, Herbert Henry
SUBJECT AREA: Metallurgy[br]b. 26 February 1866 Belleville, Ontario, Canadad. 15 October 1930 Rochester, Minnesota, USA[br]American industrial chemist, pioneer manufacturer of magnesium alloys.[br]Of New England ancestry, his family returned there soon after his birth and later moved to Cleveland, Ohio. In 1884, Dow entered the Case School of Applied Science, graduating in science four years later. His thesis dealt partly with the brines of Ohio, and he was persuaded to present a paper on brine to the meeting of the American Association for he Advancement of Science being held in Cleveland the same year. That entailed visits to collect samples of brines from various localities, and led to the observation that their composition varied, one having a higher lithium content while another was richer in bromine. This study of brines proved to be the basis for his career in industrial chemistry. In 1888 Dow was appointed Professor of Chemistry at the Homeopathic Hospital College in Cleveland, but he continued to work on brine, obtaining a patent in the same year for extracting bromine by blowing air through slightly electrolysed brine. He set up a small company to exploit the process, but it failed; the process was taken up and successfully worked by the Midland Chemical Company in Midland, Michigan. The electrolysis required a direct-current generator which, when it was installed in 1892, was probably the first of its kind in America. Dow next set up a company to produce chlorine by the electrolysis of brine. It moved to Midland in 1896, and the Dow Central Company purchased the Midland Chemical Company in 1900. Its main concern was the manufacture of bleaching powder, but the company continued to grow, based on Dow's steady development of chemical compounds that could be derived from brines. His search for further applications of chlorine led to the making of insecticides and an interest in horticulture. Meanwhile, his experience at the Homeopathic Hospital doubtless fired an interest in pharmaceuticals. One of the substances found in brine was magnesium chloride, and by 1918 magnesium metal was being produced on a small scale by electrolysis. An intensive study of its alloys followed, leading to the large-scale production of these important light-metal alloys, under the name of Dowmetals. Two other "firsts" achieved by the company were the synthetic indigo process and the production of the element iodine in the USA. The Dow company became one of the leading chemical manufacturers in the USA, and at the same time Dow played an active part in public life, serving on many public and education boards.[br]Principal Honours and DistinctionsSociety of Chemical Industry Perkin Medal 1930.BibliographyDow was granted 65 patents for a wide range of chemical processes.Further ReadingObituary, 1930, Ind. Eng. Chem. (October)."The Dow Chemical Company", 1925, Ind. Eng. Chem. (September)LRD -
19 Fessenden, Reginald Aubrey
[br]b. 6 October 1866 East Bolton, Quebec, Canadad. 22 July 1932 Bermuda[br]Canadian radio pioneer who made the first known broadcast of speech and music.[br]After initial education at Trinity College School, Port Hope, Ontario, Fessenden studied at Bishops University, Lennoxville, Quebec. When he graduated in 1885, he became Principal of the Whitney Institute in Bermuda, but he left the following year to go to New York in pursuit of his scientific interests. There he met Edison and eventually became Chief Chemist at the latter's Laboratory in Orange, New Jersey. In 1890 he moved to the Westinghouse Electric and Manufacturing Company, and two years later he returned to an academic career as Professor of Electrical Engineering, initially at Purdue University, Lafayette, Indiana, and then at the Western University of Pennsylvania, where he worked on wireless communication. From 1900 to 1902 he carried out experiments in wireless telegraphy at the US Weather Bureau, filing several patents relating to wire and liquid thermal detectors, or barretters. Following this he set up the National Electric Signalling Company; under his direction, Alexanderson and other engineers at the General Electric Company developed a high-frequency alternator that enabled him to build the first radiotelephony transmitter at Brant Rock, Massachusetts. This made its initial broadcast of speech and music on 24 December 1906, received by ship's wireless operators several hundred miles away. Soon after this the transmitter was successfully used for two-way wireless telegraphy communication with Scotland. Following this landmark event, Fessenden produced numerous inventions, including a radio compass, an acoustic depth-finder and several submarine signalling devices, a turboelectric drive for battleships and, notably, in 1912 the heterodyne principle used in radio receivers to convert signals to a lower (intermediate) frequency.[br]Principal Honours and DistinctionsInstitute of Electrical and Electronics Engineers Medal of Honour 1921.BibliographyUS patents relating to barretters include nos. 706,740, 706,742 and 706,744 (wire, 1902) and 731,029 (liquid, 1903). His invention of the heterodyne was filed as US patent no. 1,050,441 (1913).Further ReadingHelen M.Fessenden, 1940, Fessenden. Builder of Tomorrow. E.Hawkes, 1927, Pioneers of Wireless, London: Methuen. O.E.Dunlop, 1944, Radio's 100 Men of Science.KFBiographical history of technology > Fessenden, Reginald Aubrey
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