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21 organic
- 'ɡæ-1) (of or concerning the organs of the body: organic diseases.) orgánico2) (of, found in, or produced by, living things: Organic compounds all contain carbon.) órganico3) ((of food) grown without the use of artificial fertilizers.) órganicoorganic adj orgánicotr[ɔː'gænɪk]1 (living) orgánico,-a2 (without chemicals) biológico,-a, ecológico,-a3 SMALLMEDICINE/SMALL formal use orgánico,-a\SMALLIDIOMATIC EXPRESSION/SMALLorganic chemistry química orgánicaorganic [ɔr'gænɪk] adj: orgánico♦ organically advadj.• orgánico, -a adj.ɔːr'gænɪk, ɔː'gænɪkadjective orgánico; < farming> ecológico; < vegetable> biológico, cultivado sin pesticidas ni fertilizantes artificiales[ɔː'ɡænɪk]ADJ1) (=living) [matter, waste] orgánico; [fertiliser] orgánico, natural2) (=not chemical) [farmer, farm, methods] ecológico; [vegetables, produce] de cultivo biológico, biológico; [meat] ecológico; [flour] integral; [wine, beer] sin sustancias artificialesorganic food — alimentos mpl biológicos, alimentos mpl de cultivo biológico
organic farming — agricultura f ecológica or biológica
organic restaurant — restaurante m de cocina natural
3) (Chem) orgánicoorganic chemistry — química f orgánica
4) frm (=natural) [growth, development, change] natural; (=united) [society, state, community] orgánico* * *[ɔːr'gænɪk, ɔː'gænɪk] -
22 хозяйство хозяйств·о
1) (производство, экономика) economyплановое хозяйство — plan-based / planned economy
сельское хозяйство — rural economy, agriculture, farming
доходное хозяйство — profitable farm / enterprise
индивидуальное хозяйство — individual / private farm / holding
Russian-english dctionary of diplomacy > хозяйство хозяйств·о
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23 агротехника
1) General subject: agricultural engineering, agronomical practices, agrotechnology, cultural practices, agricultural methods, farm production technology, farming techniques2) Engineering: agricultural practices, field management3) Agriculture: agrotechnics4) Economy: agricultural technology, farming technique5) Forestry: agricultural techniques6) Ecology: agronomy7) Makarov: agricultural technology (система приёмов возделывания с.-х. культур, технологии земледелия и растениеводства), agronomic practices, growing technique, management8) General subject: land use -
24 agricultural
a сельскохозяйственный; земледельческийagricultural implements — сельскохозяйственные орудия; сельскохозяйственный инвентарь
Синонимический ряд:farming (adj.) agrarian; agronomic; arboricultural; farm; farming; gardening; horticultural; pastoral; rural; rustic -
25 ulimaji
------------------------------------------------------------[Swahili Word] ulimaji[English Word] cultivation[Part of Speech] noun[Class] 11[Derived Word] lima v------------------------------------------------------------[Swahili Word] ulimaji[English Word] farming[Part of Speech] noun[Class] 11[Derived Word] lima v------------------------------------------------------------[Swahili Word] ulimaji[English Word] agriculture (methods of)[Part of Speech] noun------------------------------------------------------------[Swahili Word] ulimaji[English Word] agriculture (work of)[Part of Speech] noun------------------------------------------------------------[Swahili Word] ulimaji[English Word] cultivation (methods of)[Part of Speech] noun------------------------------------------------------------[Swahili Word] ulimaji[English Word] cultivation (work of)[Part of Speech] noun------------------------------------------------------------ -
26 agricultura sostenible
f.sustainable agriculture, sustainable farming.* * *(n.) = sustainable agriculture, permacultureEx. These methods, a throwback to the early 20th century, constitute an excellent basis for sustainable agriculture, which aims to reduce consumption of plant protection products.Ex. And in the thirtyish years since we've been teaching permaculture, an estimate of 100,000 people throughout the world have learned about it.* * *(n.) = sustainable agriculture, permacultureEx: These methods, a throwback to the early 20th century, constitute an excellent basis for sustainable agriculture, which aims to reduce consumption of plant protection products.
Ex: And in the thirtyish years since we've been teaching permaculture, an estimate of 100,000 people throughout the world have learned about it. -
27 puntero
adj.leading.m.pointer, indicator, arrow.* * *► adjetivo1 leading1 (para señalar) pointer2 (para agujerear) chisel————————1 (para señalar) pointer2 (para agujerear) chisel* * *1.ADJ (=primero) top, leading; (=moderno) up-to-datemás puntero — (=sobresaliente) outstanding, furthest ahead; (=último) latest
tecnología puntera — the latest technology, state-of-the-art technology
2. SM1) [para señalar] pointer2) (=cincel) stonecutter's chisel3) (=persona que destaca) outstanding individual; (=líder) leader, top man5) LAm [de reloj] hand* * *I- ra adjetivo <empresa/sector/país> leading (before n)II1) ( para señalar) pointer; ( de reloj) (Andes) hand2) (Dep)a) ( equipo) leader, leaders (pl)b) (Col, CS) ( en fútbol) winger* * *= leading, pointer, tracing, front-line [front line], developed, state-of-the-art, leading edge, cutting edge.Ex. In addition to her reputation as a leading expert in information control, Phyllis Richmond is another of ISAD's official reviewers of the AACR2's draft.Ex. Note also, that the subdivided heading MUSIC -- AUSTRIA consists only of two pointers.Ex. The word tracing is used to denote the identification within an authority entry of all variant and related headings from which references have been made to the authority heading itself.Ex. Any front-line information and advice agency needs the backing of information gathering and collating services to provide really up-to-date and relevant information.Ex. Developed libraries can quote a whole series of discrete services built up over the recent past, which somehow need to be integrated.Ex. With a staff of 10 it provides a full information service using state-of-the-art resources and methods.Ex. The museum has used leading edge digital imaging technology to overcome problems of preservation and access.Ex. The article ' Cutting edge' describes current developments in microcomputer hardware which are likely to become commonplace adjuncts to library microcomputers in the next decade.----* referencia de puntero = pointer reference.* WIMP (Ventanas, Iconos, Ratones y Punteros) = WIMP (Windows, Icons, Mice, and Pointers).* * *I- ra adjetivo <empresa/sector/país> leading (before n)II1) ( para señalar) pointer; ( de reloj) (Andes) hand2) (Dep)a) ( equipo) leader, leaders (pl)b) (Col, CS) ( en fútbol) winger* * *= leading, pointer, tracing, front-line [front line], developed, state-of-the-art, leading edge, cutting edge.Ex: In addition to her reputation as a leading expert in information control, Phyllis Richmond is another of ISAD's official reviewers of the AACR2's draft.
Ex: Note also, that the subdivided heading MUSIC -- AUSTRIA consists only of two pointers.Ex: The word tracing is used to denote the identification within an authority entry of all variant and related headings from which references have been made to the authority heading itself.Ex: Any front-line information and advice agency needs the backing of information gathering and collating services to provide really up-to-date and relevant information.Ex: Developed libraries can quote a whole series of discrete services built up over the recent past, which somehow need to be integrated.Ex: With a staff of 10 it provides a full information service using state-of-the-art resources and methods.Ex: The museum has used leading edge digital imaging technology to overcome problems of preservation and access.Ex: The article ' Cutting edge' describes current developments in microcomputer hardware which are likely to become commonplace adjuncts to library microcomputers in the next decade.* referencia de puntero = pointer reference.* WIMP (Ventanas, Iconos, Ratones y Punteros) = WIMP (Windows, Icons, Mice, and Pointers).* * *1 ‹empresa/sector/país› leading ( before n)la empresa tiene una situación puntera en el mercado de electrodomésticos the company leads the market in electrical appliancesel país puntero en la minería del cobre the leading copper-producing countryel ciclista puntero the leading cyclistvan punteros en la división they are at the top of the division, they are the division leadersA1 (para señalar) pointer2 ( Andes) (de un reloj) handB ( Dep)1 (equipo) leader, leaders (pl)2 (Col, CS) (en fútbol) winger* * *
puntero sustantivo masculino
1 ( para señalar) pointer;
(Inf) cursor;
( de reloj) (Andes) hand
2 (Dep)
puntero,-a
I adjetivo leading: es un país puntero en investigación sobre el cáncer, it's a leading country in cancer research
II sustantivo masculino pointer
' puntero' also found in these entries:
Spanish:
puntera
English:
pointer
- hand
* * *puntero, -a♦ adjleading;una de las empresas punteras en el sector one of the leading companies in the industry;un país puntero en agricultura biológica a world leader in organic farming♦ nm1. [para señalar] pointer2. Informát pointer3. Andes, RP, Méx [persona] leader;[animal] leading animal♦ nm,fCSur Dep winger;puntero izquierdo/derecho left/right winger* * *I adj leadingII m pointer* * *puntero nm1) : pointer2) : leader -
28 Lanston, Tolbert
SUBJECT AREA: Paper and printing[br]b. 3 February 1844 Troy, Ohio, USAd. 18 February 1913 Washington, DC, USA[br]American inventor of the Monotype typesetting machine.[br]Although reared in a farming community, Lanston was able to develop his mechanical talent. After serving in the American Civil War he secured a clerkship in the Pensions Office in Washington, where he remained for twenty-two years. He studied law in his spare time and was called to the Bar. At the same time, he invented a whole variety of mechanical devices, many of which he patented. Around 1883 Lanston began taking an interest in machines for composing printers' type, probably stimulated by Ottmar Mergenthaler, who was then in Washington and working in this field. Four years' work were rewarded on 7 June 1887 by the grant of a patent, followed by three more, for a machine "to produce justified lines of type". The machine, the Monotype, consisted of two components: first a keyboard unit produced a strip of paper tape with holes punched in patterns corresponding to the characters required; this tape controlled the matrices in the caster, the second and "hot metal" component, from which types were ejected singly and fed to an assembly point until a complete line of type had been formed. Lanston resigned his post and set up the Lanston Type Machine Company in Washington. He laboured for ten years to convert the device defined in his patents into a machine that could be made and used commercially. In 1897 the perfected Monotype appeared. The company was reorganized as the Lanston Monotype Manufacturing Company of Philadelphia, and Lanston devoted himself to promoting and improving the machine. Monotype, with Mergenthaler's Linotype, steadily supplanted hand-setting and the various inadequate mechanical methods that were then in use, and by the 1920s they reigned supreme, until the 1960s, when they themselves began to be superseded by computer-controlled photosetting methods.[br]Principal Honours and DistinctionsFranklin Institute Cresson Gold Medal 1896.Further ReadingObituary, 1913, American Printer (March).L.A.Legros and J.C.Grant, 1916, Typographical Printing Surfaces, London.J.Moran, 1964, The Composition of Reading Matter, London.LRD -
29 agricultural
ˌæɡrɪˈkʌltʃərəl прил. сельскохозяйственный;
аграрный, земельный, земледельческий agricultural chemistry ≈ агрохимия agricultural engineering ≈ агротехника Syn: farmingсельскохозяйственный;
земледельческий;
- * adviser консультант по сельскому хозяйству;
- * chemistry агрохимия;
- * engineering сельскохозяйственное машиностроение;
- * experimental station сельскохозяйственная опытная станция;
- * implements сельскохозяйственные орудия;
сельскохозяйственный инвентарь;
- * machinery сельскохозяйственные машины;
- * labourers сельскохозяйственные рабочие;
- * methods агротехника;
- * physics агрофизика;
- * show сельскохозяйственная выставкаagricultural земледельческий ~ сельскохозяйственный;
земледельческий;
agricultural engineering агротехника;
agricultural chemistry агрохимия ~ сельскохозяйственный~ сельскохозяйственный;
земледельческий;
agricultural engineering агротехника;
agricultural chemistry агрохимия chemistry: chemistry химия;
agricultural chemistry агрохимия;
applied chemistry прикладная химия~ сельскохозяйственный;
земледельческий;
agricultural engineering агротехника;
agricultural chemistry агрохимияБольшой англо-русский и русско-английский словарь > agricultural
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30 science
ˈsaɪəns сущ.
1) наука;
область науки to advance, foster, promote science ≈ двигать науку, работать для науки, развивать науку applied science exact science domestic science information science library science linguistic science military science natural science naval science physical science political science social science space science man of science science park Syn: study
2) коллект. естественные науки (тж. natural science/sciences, physical sciences) Ant: arts
3) мастерство, искусство, умение science of chess ≈ мастерство шахматной игры science of manners ≈ умение вести себя Syn: ability, skill
4) техника, техничность( теоретические знания в отличие от практического их применения) The development of the photographic image is both an art and a science. ≈ Для того, чтобы проявить фотоизображение, необходим как навык, так и точные теоретические знания. Ant: art I
1.
5) амер. (Science) Христианская наука (название религиозной вероучения и организации, основанной в США в 1866 году) Syn: Christian Science
5) уст. знание Syn: knowledge наука - pure * чистая наука - social *s общественные науки - applied * прикладная наука - engineering *s технические науки - the * of language наука о языке - the classification of *s классификация наук - man of * ученый, человек науки - the methods of * научные методы - the progress of * успехи в области науки - to reduce smth. to a * превратить что-л. в науку - to apply * to farming внедрить научные методы в сельское хозяйство( собирательнле) естественные науки (тж. natural *s, physical *s) - physics, chemistry and other *s физика. химия и др. естественные науки - materials * материаловедение - * master,* teacher учитель физики, химии, биологии и т. п. (S.) (религия) "Христианская наука" (религиозная организация и этическое учение) (спортивное) тренированность высокий класс, мастерство техничность - a boxer who lacks * боксер без достаточной технической подготовки (устаревшее) знание;
познание > the * of self-defence бокс;
самбо > the noble * (of defence) бокс;
фехтование administrative ~ наука управления ~ наука;
man of science ученый;
applied science прикладная наука computer ~ вычислительная техника computer ~ информатика computer ~ теория вычислительных машин и систем economic ~ экономическая наука forensic ~ судебная наука ~ умение, ловкость;
техничность;
in judo science is more important than strength в борьбе дзюдо ловкость важнее силы information ~ информатика information ~ наука об информации legal ~ правоведение ~ наука;
man of science ученый;
applied science прикладная наука medico-actuarial ~ страховая медицина science собир. естественные науки (тж. natural science или sciences, physical sciences) ~ уст. знание ~ наука;
man of science ученый;
applied science прикладная наука ~ наука ~ умение, ловкость;
техничность;
in judo science is more important than strength в борьбе дзюдо ловкость важнее силы social ~ социология social: ~ общественный;
социальный;
social science социология;
social security социальное обеспечение software ~ вчт. теория программного обеспечения system ~ вчт. системотехника theoretical computer ~ теория вычислительных систем -
31 science
[ʹsaıəns] n1. наукаapplied [fundamental] science - прикладная [фундаментальная] наука
man of science - учёный; человек науки
to reduce smth. to a science - превратить что-л. в науку
to apply science to farming - внедрить научные методы в сельское хозяйство
2. собир. естественные науки (тж. natural sciences, physical sciences)physics, chemistry and other sciences - физика, химия и другие естественные науки
science master, science teacher - учитель физики, химии, биологии и т. п.
3. (Science) = Christian Science4. спорт.1) тренированность2) высокий класс, мастерство3) техничность5. арх. знание; познание♢
the science of self-defence - бокс; самбоthe noble science (of defence) - шутл. а) бокс; б) фехтование
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32 Bewirtschaftungskosten
Bewirtschaftungskosten
administrative costs, costs of management;
• Bewirtschaftungsmaßnahmen measures of control, rationing arrangements;
• Bewirtschaftungsmaßnahmen aufheben to lift a control;
• intensive Bewirtschaftungsmethoden intensive methods of agriculture;
• Bewirtschaftungsplan rationing scheme;
• Bewirtschaftungsprogramm rationing program(me);
• Bewirtschaftungsschulden farming debts;
• Bewirtschaftungsstelle control office;
• Bewirtschaftungssystem, Bewirtschaftungswesen control (allocation, rationing) system;
• Bewirtschaftungsverfahren priority system. -
33 intensive
adjective2) (Ling.) verstärkend; intensivierend3) (concentrated, directed to a single point or area) intensiv; heftig [Beschuss]; gezielt [Entwicklung]4) (Econ.) intensiv [Landwirtschaft]5) in comb.capital-intensive/labour-intensive — kapital-/arbeitsintensiv
* * *[-siv]adjective (very great; showing or having great care etc: The police began an intensive search for the murderer; The hospital has just opened a new intensive care unit.) intensiv* * *in·ten·sive[ɪnˈten(t)sɪv]adj intensiv, stark\intensive analysis gründliche Analyse\intensive bombardment heftiger Beschuss\intensive course Intensivkurs mto come under \intensive fire unter heftigen Beschuss geraten\intensive study gründliche [o intensive] Studie* * *[In'tensɪv]adjintensiv, Intensiv-* * *intensive [ınˈtensıv]A adj (adv intensively)1. intensiv:a) stark, heftigb) gründlich, erschöpfend (Forschung etc):intensive course Intensiv-, Schnellkurs m3. sich verstärkend4. MEDa) stark wirkendhe is in intensive care, he is in ( oder at) the intensive care unit er liegt auf der Intensivstation;he spent three weeks in intensive care er lag drei Wochen auf der Intensivstation5. a) WIRTSCH intensiv, ertragssteigernd:intensive cultivation of land intensive Bodenbewirtschaftung* * *adjective1) (vigorous, thorough) intensiv; Intensiv[kurs]2) (Ling.) verstärkend; intensivierend3) (concentrated, directed to a single point or area) intensiv; heftig [Beschuss]; gezielt [Entwicklung]4) (Econ.) intensiv [Landwirtschaft]5) in comb.capital-intensive/labour-intensive — kapital-/arbeitsintensiv
* * *adj.intensiv adj. -
34 труд фермера
farmer's workДля того, чтобы сделать труд фермеров более производительным, в сельском хозяйстве применяются научные методы и используется современная технология замораживания, консервирования и упаковки сельскохозяйственной продукции. — To make the farmer's work more productive scientific methods of farming are employed and modern technique of freezing, canning and packing farm products is used.
Дополнительный универсальный русско-английский словарь > труд фермера
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35 труд фермеров
farmer's workДля того, чтобы сделать труд фермеров более производительным, в сельском хозяйстве применяются научные методы и используется современная технология замораживания, консервирования и упаковки сельскохозяйственной продукции. — To make the farmer's work more productive scientific methods of farming are employed and modern technique of freezing, canning and packing farm products is used.
Дополнительный универсальный русско-английский словарь > труд фермеров
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36 агротехника
agricultural methods, farming techniques -
37 Cotton (Uganda)
This state produces more cotton than any other country in Africa, except Egypt, and cotton is the most important crop in the colony. Cotton growing is purely a native industry. The quality is excellent and compares with some of the best American. The native cultivates a quarter to half an acre and sells the cotton to the ginning firms. Improvements in transport by rail and lake will lead to new districts being opened up. The native cultivator is being encouraged to improve his methods of farming. Uganda cotton is 11/2-in to 13/16-in. in length and is generally worth from 150 to 350 points above the price of American Middling. It is believed that this colony could produce 500,000 bales annually. -
38 Ford, Henry
[br]b. 30 July 1863 Dearborn, Michigan, USAd. 7 April 1947 Dearborn, Michigan, USA[br]American pioneer motor-car maker and developer of mass-production methods.[br]He was the son of an Irish immigrant farmer, William Ford, and the oldest son to survive of Mary Litogot; his mother died in 1876 with the birth of her sixth child. He went to the village school, and at the age of 16 he was apprenticed to Flower brothers' machine shop and then at the Drydock \& Engineering Works in Detroit. In 1882 he left to return to the family farm and spent some time working with a 1 1/2 hp steam engine doing odd jobs for the farming community at $3 per day. He was then employed as a demonstrator for Westinghouse steam engines. He met Clara Jane Bryant at New Year 1885 and they were married on 11 April 1888. Their only child, Edsel Bryant Ford, was born on 6 November 1893.At that time Henry worked on steam engine repairs for the Edison Illuminating Company, where he became Chief Engineer. He became one of a group working to develop a "horseless carriage" in 1896 and in June completed his first vehicle, a "quadri cycle" with a two-cylinder engine. It was built in a brick shed, which had to be partially demolished to get the carriage out.Ford became involved in motor racing, at which he was more successful than he was in starting a car-manufacturing company. Several early ventures failed, until the Ford Motor Company of 1903. By October 1908 they had started with production of the Model T. The first, of which over 15 million were built up to the end of its production in May 1927, came out with bought-out steel stampings and a planetary gearbox, and had a one-piece four-cylinder block with a bolt-on head. This was one of the most successful models built by Ford or any other motor manufacturer in the life of the motor car.Interchangeability of components was an important element in Ford's philosophy. Ford was a pioneer in the use of vanadium steel for engine components. He adopted the principles of Frederick Taylor, the pioneer of time-and-motion study, and installed the world's first moving assembly line for the production of magnetos, started in 1913. He installed blast furnaces at the factory to make his own steel, and he also promoted research and the cultivation of the soya bean, from which a plastic was derived.In October 1913 he introduced the "Five Dollar Day", almost doubling the normal rate of pay. This was a profit-sharing scheme for his employees and contained an element of a reward for good behaviour. About this time he initiated work on an agricultural tractor, the "Fordson" made by a separate company, the directors of which were Henry and his son Edsel.In 1915 he chartered the Oscar II, a "peace ship", and with fifty-five delegates sailed for Europe a week before Christmas, docking at Oslo. Their objective was to appeal to all European Heads of State to stop the war. He had hoped to persuade manufacturers to replace armaments with tractors in their production programmes. In the event, Ford took to his bed in the hotel with a chill, stayed there for five days and then sailed for New York and home. He did, however, continue to finance the peace activists who remained in Europe. Back in America, he stood for election to the US Senate but was defeated. He was probably the father of John Dahlinger, illegitimate son of Evangeline Dahlinger, a stenographer employed by the firm and on whom he lavished gifts of cars, clothes and properties. He became the owner of a weekly newspaper, the Dearborn Independent, which became the medium for the expression of many of his more unorthodox ideas. He was involved in a lawsuit with the Chicago Tribune in 1919, during which he was cross-examined on his knowledge of American history: he is reputed to have said "History is bunk". What he actually said was, "History is bunk as it is taught in schools", a very different comment. The lawyers who thus made a fool of him would have been surprised if they could have foreseen the force and energy that their actions were to release. For years Ford employed a team of specialists to scour America and Europe for furniture, artefacts and relics of all kinds, illustrating various aspects of history. Starting with the Wayside Inn from South Sudbury, Massachusetts, buildings were bought, dismantled and moved, to be reconstructed in Greenfield Village, near Dearborn. The courthouse where Abraham Lincoln had practised law and the Ohio bicycle shop where the Wright brothers built their first primitive aeroplane were added to the farmhouse where the proprietor, Henry Ford, had been born. Replicas were made of Independence Hall, Congress Hall and the old City Hall in Philadelphia, and even a reconstruction of Edison's Menlo Park laboratory was installed. The Henry Ford museum was officially opened on 21 October 1929, on the fiftieth anniversary of Edison's invention of the incandescent bulb, but it continued to be a primary preoccupation of the great American car maker until his death.Henry Ford was also responsible for a number of aeronautical developments at the Ford Airport at Dearborn. He introduced the first use of radio to guide a commercial aircraft, the first regular airmail service in the United States. He also manufactured the country's first all-metal multi-engined plane, the Ford Tri-Motor.Edsel became President of the Ford Motor Company on his father's resignation from that position on 30 December 1918. Following the end of production in May 1927 of the Model T, the replacement Model A was not in production for another six months. During this period Henry Ford, though officially retired from the presidency of the company, repeatedly interfered and countermanded the orders of his son, ostensibly the man in charge. Edsel, who died of stomach cancer at his home at Grosse Point, Detroit, on 26 May 1943, was the father of Henry Ford II. Henry Ford died at his home, "Fair Lane", four years after his son's death.[br]Bibliography1922, with S.Crowther, My Life and Work, London: Heinemann.Further ReadingR.Lacey, 1986, Ford, the Men and the Machine, London: Heinemann. W.C.Richards, 1948, The Last Billionaire, Henry Ford, New York: Charles Scribner.IMcN -
39 Sperry, Elmer Ambrose
[br]b. 21 October 1860 Cincinnatus, Cortland County, New York, USAd. 16 June 1930 Brooklyn, New York, USA[br]American entrepreneur who invented the gyrocompass.[br]Sperry was born into a farming community in Cortland County. He received a rudimentary education at the local school, but an interest in mechanical devices was aroused by the agricultural machinery he saw around him. His attendance at the Normal School in Cortland provided a useful theoretical background to his practical knowledge. He emerged in 1880 with an urge to pursue invention in electrical engineering, then a new and growing branch of technology. Within two years he was able to patent and demonstrate his arc lighting system, complete with its own generator, incorporating new methods of regulating its output. The Sperry Electric Light, Motor and Car Brake Company was set up to make and market the system, but it was difficult to keep pace with electric-lighting developments such as the incandescent lamp and alternating current, and the company ceased in 1887 and was replaced by the Sperry Electric Company, which itself was taken over by the General Electric Company.In the 1890s Sperry made useful inventions in electric mining machinery and then in electric street-or tramcars, with his patent electric brake and control system. The patents for the brake were important enough to be bought by General Electric. From 1894 to 1900 he was manufacturing electric motor cars of his own design, and in 1900 he set up a laboratory in Washington, where he pursued various electrochemical processes.In 1896 he began to work on the practical application of the principle of the gyroscope, where Sperry achieved his most notable inventions, the first of which was the gyrostabilizer for ships. The relatively narrow-hulled steamship rolled badly in heavy seas and in 1904 Ernst Otto Schuck, a German naval engineer, and Louis Brennan in England began experiments to correct this; their work stimulated Sperry to develop his own device. In 1908 he patented the active gyrostabilizer, which acted to correct a ship's roll as soon as it started. Three years later the US Navy agreed to try it on a destroyer, the USS Worden. The successful trials of the following year led to widespread adoption. Meanwhile, in 1910, Sperry set up the Sperry Gyroscope Company to extend the application to commercial shipping.At the same time, Sperry was working to apply the gyroscope principle to the ship's compass. The magnetic compass had worked well in wooden ships, but iron hulls and electrical machinery confused it. The great powers' race to build up their navies instigated an urgent search for a solution. In Germany, Anschütz-Kämpfe (1872–1931) in 1903 tested a form of gyrocompass and was encouraged by the authorities to demonstrate the device on the German flagship, the Deutschland. Its success led Sperry to develop his own version: fortunately for him, the US Navy preferred a home-grown product to a German one and gave Sperry all the backing he needed. A successful trial on a destroyer led to widespread acceptance in the US Navy, and Sperry was soon receiving orders from the British Admiralty and the Russian Navy.In the rapidly developing field of aeronautics, automatic stabilization was becoming an urgent need. In 1912 Sperry began work on a gyrostabilizer for aircraft. Two years later he was able to stage a spectacular demonstration of such a device at an air show near Paris.Sperry continued research, development and promotion in military and aviation technology almost to the last. In 1926 he sold the Sperry Gyroscope Company to enable him to devote more time to invention.[br]Principal Honours and DistinctionsJohn Fritz Medal 1927. President, American Society of Mechanical Engineers 1928.BibliographySperry filed over 400 patents, of which two can be singled out: 1908. US patent no. 434,048 (ship gyroscope); 1909. US patent no. 519,533 (ship gyrocompass set).Further ReadingT.P.Hughes, 1971, Elmer Sperry, Inventor and Engineer, Baltimore: Johns Hopkins University Press (a full and well-documented biography, with lists of his patents and published writings).LRD
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