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1 grand officier de la Légion d'honneur
прил.Французско-русский универсальный словарь > grand officier de la Légion d'honneur
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2 Légion d'honneur
Ordre national de la Légion d'honneur (National Order of the Legion of Honour) Established in 1802 by Napoleon, the Légion d'Honneur is the highest civil and military decoration in France. The order is divided into five grades: Chevalier (Knight), Officier (Officer), Commandeur (Commander), Grand Officier (Grand Officer) and Grand-Croix (Grand Cross). The Grand Master of the order is the French head of state, i.e. the President. The award is given to people of exceptional merit in all walks of life, rather like an OBE or a knighthood in the UK. it cannot however be awarded to members of parliament (Députés). People who have received this award frequently show this - notably on formal occasions - by wearing a very discreet small red lapel band.Dictionnaire Français-Anglais. Agriculture Biologique > Légion d'honneur
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3 grand
grand, e [gʀɑ̃, gʀɑ̃d]1. adjectivea. ( = de haute taille) tall• quand il sera grand [enfant] when he grows up• tu es grand/grande maintenant you're a big boy/girl nowd. (en nombre, en quantité) [vitesse, poids, valeur, puissance] great ; [nombre, quantité] large ; [famille] large, bige. ( = intense) [bruit, cri] loud ; [froid, chaleur] intense ; [vent] strong ; [danger, plaisir, pauvreté] greatf. ( = riche, puissant) [pays, firme, banquier, industriel] leadingg. ( = important) great ; [ville, travail] big• je t'annonce une grande nouvelle ! I've got some great news!h. ( = principal) main• la grande difficulté consiste à... the main difficulty lies in...i. (intensif) [travailleur, collectionneur, ami, rêveur] great ; [buveur, fumeur] heavy ; [mangeur] bigj. ( = remarquable) greatk. ( = de gala) [réception, dîner] grandl. ( = noble) [âme] noble ; [pensée, principe] loftym. ( = exagéré) faire de grandes phrases to voice high-flown sentimentsn. ( = beaucoup de) cela te fera (le plus) grand bien it'll do you the world of good• grand bien vous fasse ! much good may it do you!2. adverb3. masculine nouna. ( = élève) senior boyb. (terme d'affection) viens, mon grand come here, sonc. ( = personne puissante) les grands de ce monde men in high places4. feminine nouna. ( = élève) senior girl5. compounds━━━━━━━━━━━━━━━━━The grandes écoles are competitive-entrance higher education establishments where engineering, business administration and other subjects are taught to a very high standard. The most prestigious include « l'École Polytechnique » (engineering), the three « Écoles normales supérieures » (arts and sciences), « l'ÉNA » (the civil service college), and « HEC » (business administration).Pupils prepare for entrance to the grandes écoles after their « baccalauréat » in two years of « classes préparatoires ». → CLASSES PRÉPARATOIRES CONCOURS ÉCOLE NATIONALE D'ADMINISTRATION* * *
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grande gʀɑ̃, gʀɑ̃d adjectif1) ( de dimensions importantes) ( en hauteur) tall; (en longueur, durée) long; ( en largeur) wide; (en étendue, volume) big2) (nombreux, abondant) large, biglaver à grande eau — to wash [something] in plenty of running water [légumes]; to wash [something] down [sol]
3) ( à un degré élevé) [rêveur, collectionneur, ami] great; [tricheur, joueur] big; [buveur, fumeur] heavy4) ( important) [découverte, expédition, nouvelle] great; [date] important; [rôle] major; [problème, décision] bigla grande majorité — the great ou vast majority
5) ( principal) main6) ( de premier plan) [société, marque] leading7) (brillant, remarquable) [peintre, vin, cause] great; [cœur, âme] nobleLouis le Grand — Louis the Great; esprit
les grandes classes — École the senior forms GB, the upper classes US
9) ( qualifiant une mesure) [hauteur, longueur, distance, valeur] great; [pointure, quantité, étendue] large; [vitesse] high10) (extrême, fort) [bonté, amitié, danger, intérêt] great; [bruit] loud; [froid] severe; [chaleur] intense; [vent] strong, high; [tempête] big, violentà grands cris — loudly; cas, remède
11) ( de rang social élevé) [famille, nom] great12) ( grandiose) [réception, projet] grand13) ( emphatique) [mot] big; [phrase] high-soundinget voilà, tout de suite les grands mots — there you go, straight off the deep end
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adverbe wideouvrir grand ses oreilles — fig to prick up one's ears
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nom masculinles cinq grands — Politique the Big Five
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en grand locution adverbialePhrasal Verbs:* * *ɡʀɑ̃, ɡʀɑ̃d grand, -e1. adj1) (= de haute taille) tallIl est grand pour son âge. — He's tall for his age.
2) (= aîné)C'est sa grande sœur. — She's his big sister.
3) (= adulte)Il est assez grand pour... — He's old enough to...
4) (= gros, vaste, large) big, large5) (importance, stature) greatC'est un grand ami à moi. — He's a great friend of mine.
les grandes lignes CHEMINS DE FER — the main lines
6) (ampleur, degré)les grands blessés; Les grands blessés ont été emmenés à l'hôpital en hélicoptère. — The severely injured were taken to hospital by helicopter.
7) (intensif)Ça te fera beaucoup de bien d'être au grand air. — It'll be very good for you to be out in the open air.
2. adv3. nm/f1) (= élève, enfant) big boy, big girlIl est chez les grands maintenant. — He's in the senior school now.
C'est une grande, elle peut y aller seule. — She's a big girl now, she can go on her own.
2) (= personnage)4. nm* * *A adj1 ( de dimensions importantes) ( en hauteur) [personne, arbre, tour, cierge] tall; (en longueur, durée) [bras, enjambée, promenade, voyage] long; ( en largeur) [angle, marge] wide; (en étendue, volume) [lac, ville, salle, trou, édifice, paquet] large, big; [tas, feu] big; ( démesuré) [pied, nez, bouche] big; un homme (très) grand a (very) tall man; un grand homme brun, un homme grand et brun a tall dark man; plus grand que nature larger than life; ouvrir de grands yeux to open one's eyes wide;2 (nombreux, abondant) [famille, foule] large, big; [fortune] large; grande braderie big sale; pas grand monde not many people; faire de grandes dépenses to spend a lot of money; il fait grand jour it's broad daylight; laver à grande eau to wash [sth] in plenty of running water [légumes]; to wash [sth] down [sol]; à grand renfort de publicité with much publicity;3 ( à un degré élevé) [rêveur, collectionneur, travailleur, ami, ennemi, pécheur] great; [tricheur, joueur, lâcheur, idiot] big; [buveur, fumeur] heavy; grand amateur de ballet great ballet lover; c'est un grand timide he's very shy; les grands malades very sick people; c'est un grand cardiaque he has a serious heart condition;4 ( important) [découverte, migration, expédition, événement, nouvelle, honneur] great; [date] important; [rôle] major; [problème, décision] big; ( principal) main; c'est un grand jour pour elle it's a big day for her; une grande partie de la maison a large part of the house; une grande partie des habitants many of the inhabitants; la grande majorité the great ou vast majority; ⇒ scène;5 ( principal) main; le grand escalier the main staircase; le grand problème/obstacle the main ou major problem/obstacle; les grands axes routiers the main ou trunk GB roads; les grands points du discours the main points of the speech; les grandes lignes d'une politique the broad lines of a policy;6 ( de premier plan) Écon, Pol [pays, société, industriel, marque] leading; les grandes industries the big industries;7 (brillant, remarquable) [peintre, œuvre, civilisation, vin, cause] great; [cœur, âme] noble; c'est un grand homme he's a great man; les grands écrivains great authors; un grand nom de la musique a great musician; un grand monsieur du théâtre a great gentleman of the stage; Louis/Pierre le Grand Louis/Peter the Great; les grands noms du cinéma/de la littérature indienne the big names of the cinema/of Indian literature; de grande classe [produit] high-class; [exploit] admirable; ⇒ esprit;8 ( âgé) [frère, sœur] elder; [élève] senior GB, older; ( adulte) grown-up; mon grand frère my elder brother; les grandes classes Scol the senior forms GB, the upper classes US; quand il sera grand when he grows up; mes enfants sont grands my children are quite old; une grande fille comme toi! a big girl like you!; 12 ans! tu es assez grand pour te débrouiller 12 years old! you're old enough to cope;9 ( qualifiant une mesure) [hauteur, longueur, distance, poids, valeur, âge] great; [dimensions, taille, pointure, quantité, nombre, étendue] large; [vitesse] high; [kilomètre, mois, heure] good; il est grand temps que tu partes it's high time you were off ou you went;10 (intense, extrême, fort) [bonté, lâcheté, pauvreté, amitié, chagrin, faim, danger, différence, intérêt] great; [bruit] great, loud; [froid] severe; [chaleur] intense; [vent] strong, high; [tempête] big, violent; avec grand plaisir with great ou much pleasure; dans le plus grand secret in great secrecy; d'une grande bêtise/timidité very ou extremely stupid/shy; à ma grande honte/surprise much to my shame/surprise; sans grand espoir/enthousiasme without much hope/enthusiasm; sans grande importance not very important; il n'y a pas grand mal à cela/à faire there isn't much harm in that/in doing; avoir grand faim/soif to be very hungry/thirsty; avoir grand besoin de to be badly in need of; ça te ferait le plus grand bien it would do you a world of good; à grands cris loudly; ⇒ cas, remède;11 ( de rang social élevé) [famille, nom] great; grande dame great lady; la grande bourgeoisie the upper middle class;12 ( grandiose) [réception] grand; grands projets grand designs; avoir grande allure, avoir grand air to look very impressive;13 ( emphatique) [mot] big; [phrase] high-sounding; un grand merci a big thank you; faire de grands gestes to wave one's arms about; et voilà, tout de suite les grands mots there you go, straight off the deep end.B nm,f1 ( enfant) big boy/girl; Scol senior GB ou older pupil; il a fait ça tout seul comme un grand he did it all by himself like a big boy; il fait le ménage comme un grand he does the housework like a grown-up; pour les grands et les petits for old and young alike;C adv wide; ouvrir grand la bouche to open one's mouth wide; ouvrir tout grand les bras to throw one's arms open; les fenêtres sont grand(es) ouvertes the windows are wide open; ouvrir la porte toute grande to open the door wide; ouvrir grand ses oreilles fig to prick up one's ears; ouvrir tout grand son cœur fig to open one's heart; les bottes chaussent grand the boots are large-fitting; leurs vêtements taillent grand their clothes are cut on the large side; voir grand fig to think big.D nm ( pays) big power; ( entreprise) leader, big name; les grands de ce monde the great and the good; Pol the world's leaders; les cinq grands Pol the Big Five; les grands de l'automobile the top car manufacturers; c'est un grand de la publicité he's big in advertising.E en grand loc adv [ouvrir] wide, completely; faire de l'élevage en grand to breed animals on a large scale; quand ils reçoivent, ils font les choses en grand when they entertain they do things on the grand scale or they really go to town○.grand argentier Hist royal treasurer; hum keeper of the nation's purse, Finance minister; le grand art alchemy; grand banditisme organized crime; grand bassin ( de piscine) main pool; Anat upper pelvis; grand cacatois main royal sail; grand caniche standard poodle; le grand capital Écon big money, big investors pl; grand commis de l'État top civil servant; grand coq de bruyère capercaillie; grand corbeau raven; grand couturier couturier; grand débutant absolute beginner; grand duc Zool eagle owl; grand écart Danse, Sport splits (sg); faire le grand écart to do the splits; le grand écran the big screen; grand électeur ( en France) elector who votes in the elections for the French Senate; ( aux États-Unis) presidential elector; grand ensemble high-density housing complex; la vie dans les grands ensembles high-rise living; grand d'Espagne Spanish grandee; grand foc outer jib; grand frais Météo moderate gale; grand hunier main topsail; grand hunier fixe lower main topsail; grand hunier volant upper main topsail; grand invalide civil, GIC civilian who is registered severely disabled; grand invalide de guerre, GIG Prot Soc ex-serviceman who is registered severely disabled; le grand large Naut the high seas (pl); grand magasin Comm department store; grand maître ( aux échecs) grand master; grand maître de l'ordre des Templiers Hist Grand Master of the Knights Templar; grand mât Naut mainmast; le grand monde high society; le Grand Nord Géog the Far North; Grand Œuvre Great Work; grand officier de la Légion d'Honneur high-ranking officer of the Legion of HonourGB; le Grand Orient the Grand Lodge of France; grand panda giant panda; Grand Pardon Day of Atonement; grand patron Méd senior consultant GB, head doctor US; grand perroquet Naut main topgallant sail; grand prêtre Relig, fig high priest; grand prix Courses Aut, Sport grand prix; le grand public the general public; Comm produit grand public consumer product; grand quart Naut six-hour watch; Grand quartier général, GQG Mil General Headquarters, GHQ; grand quotidien Presse big national daily; grand roque Jeux ( aux échecs) castling long; le Grand Siècle Hist the 17th century (in France); grand teint colourfastGB; grand tétras capercaillie; grand tourisme Courses Aut, Aut GT, gran turismo; le Grand Turc the Sultan; grand veneur Chasse master of the hounds; grande Armée Hist Grande Armée (Napoleon's army); grande Baie Australienne Géog Great Australian Bight; la grande banlieue the outer suburbs (pl); Grande Barrière (de Corail) Géog Great Barrier Reef; la grande bleue the sea; la grande cuisine Culin haute cuisine; grande distribution Écon volume retailing; grand école higher education institution; la Grande Guerre Hist the First World War; grande gueule○ loud mouth○; grande hune Naut maintop; la grande muette the army; la grande muraille de Chine Géog the Great Wall of China; grande personne grown-up, adult; la grande presse Presse the popular dailies (pl); grande puissance Pol superpower; grande roue ( de foire) big wheel GB, Ferris wheel US; grande série Comm mass production; fabriqué en grande série mass-produced; grande surface Comm supermarket; grandes eaux fountains; fig ( pleurs) waterworks; dès qu'on la gronde, ce sont les grandes eaux the minute you tell her off, she turns on the waterworks; grandes lignes Rail main train routes; grandes marées spring tides; grandes ondes Radio long wave (sg); Grandes Plaines Géog Great Plains; les grands blessés the seriously injured; grands corps de l'État Admin senior branches of the civil service; grands espaces Écol open spaces; grands fauves Zool big cats; grands fonds Naut ocean depths; les grands froids the cold of winter; Grands Lacs Géog Great Lakes; grands singes Zool great apes; ⇒ école, voyage.ⓘ Grande école A prestigious third-level institution where admission is usually by competitive entrance examination or concours. Places are much sought after as they are widely considered to guarantee more promising career prospects than the standard university institutions. Many grandes écoles specialize in particular disciplines or fields of study, e.g. ENA, Sciences Po, etc.( féminin grande) [grɑ̃, grɑ̃d] (devant nom masculin commençant par voyelle ou h muet [grɑ̃t]) adjectifA.[ASPECT QUANTITATIF]grand A/B/C capital A/B/Cune grande tour a high ou tall towerun grand fleuve a long ou big riveravoir de grands pieds to have big ou large feetmarcher à grands pas to walk with great ou long strides3. [d'un certain âge - être humain] big[aîné - frère, sœur] big4. [qui dure longtemps] long5. [intense, considérable] greatpendant les grandes chaleurs in high summer, in ou at the height of summerun grand incendie a major ou great firela grande majorité de the great ou vast majority ofils plongent à une grande profondeur they dive very deep ou to a great depth7. [entier]elle m'a fait attendre une grande heure/semaine she made me wait a good hour/a good week9. GÉOGRAPHIE10. ZOOLOGIEB.[ASPECT QUALITATIF]les grands problèmes de notre temps the main ou major ou key issues of our timece sont de grands amis they're great ou very good friendsles grands blessés/brûlés/invalides the seriously wounded/burned/disabled3. [puissant, influent - banque] top ; [ - industriel] top, leading, major ; [ - propriétaire, famille] important ; [ - personnage] great4. [dans une hiérarchie]les grands dignitaires du régime the leading ou important dignitaries of the regime5. [noble]avoir grand air ou grande allure to carry oneself well, to be imposing6. [généralementéreux]il a un grand cœur he's big-hearted, he has a big heart7. [exagéré] biggrands mots high-sounding words, high-flown language8. [fameux, reconnu] greatun grand journaliste a great ou top journalistil ne descend que dans les grands hôtels he only stays in the best hotels ou the most luxurious hotelsle grand film de la soirée tonight's big ou feature filmles grandes dates de l'histoire de France the great ou most significant dates in French history9. HISTOIRE10. [omnipotent, suprême] greatC.[EN INTENSIF]sans grand enthousiasme/intérêt without much enthusiasm/interestsa grande fierté, c'est son jardin he's very proud of ou he takes great pride in his gardenun grand merci à ta sœur lots of thanks to ou a big thank you to your sistercette cuisine a grand besoin d'être nettoyée this kitchen really needs ou is in dire need of a cleantoute la famille au grand complet the whole family, every single member of the familyjamais, au grand jamais je n'accepterai never in a million years will I acceptà sa grande surprise much to his surprise, to his great surprise————————, grande [grɑ̃, grɑ̃d] (devant nom masculin commençant par voyelle ou h muet [grɑ̃t]) nom masculin, nom féminin1. [enfant - d'un certain âge][en appellatif]merci mon grand! thanks, son!allons, ma grande, ne pleure pas! come on now, love, don't cry!comme un grand: je me débrouillerai tout seul, comme un grand/toute seule, comme une grande I'll manage on my own, like a big boy/a big girl[en appellatif]alors, ma grande, tu as pu te reposer un peu? well dear, did you manage to get some rest?[personne de grande taille]pour la photo, les grands se mettront derrière for the photo, tall people ou the taller people will stand at the back————————adverbe1. [vêtement]2. (locution)3. [largement]4. ART————————nom masculin1. PHILOSOPHIE → link=infiniment infiniment2. [entrepreneur, industriel]les grands de l'automobile the major ou leading car manufacturers————————grands nom masculin plurielÉCONOMIE & POLITIQUEles grands [les puissants] the rich (and powerful)les grands de ce monde the people in (positions of) power ou in high places————————en grand locution adverbiale[complètement] on a large scaleil faut aérer la maison en grand the house needs a thorough ou good airinggrande école nom féminingrand ensemble nom masculingrande surface nom fémininThe grandes écoles are relatively small and highly respected higher education establishments. Admission is usually only possible after two years of intensive preparatory studies and a competitive entrance examination. Most have close links with industry. The grandes écoles include l'École des hautes études commerciales or HEC (management and business), l'École polytechnique or l'X (engineering) and l'École normale supérieure (teacher training). -
4 officier
I.officier1 [ɔfisje]masculine nounII.officier2 [ɔfisje]➭ TABLE 7 intransitive verb* * *
I ɔfisjeverbe intransitif Religion, hum to officiate
II ɔfisjenom masculin officer* * *ɔfisje, jɛʀ (-ière)1. nm/fElle est officier de marine.; Elle est officière de marine. — She's a naval officer.
2. viRELIGION to officiate* * *officier verb table: plierA nm officer; officier de réserve/d'active reserve/serving officer; officier général/supérieur general/field officer; officier subalterne subaltern; officier des pompiers/de police fire/police officer; officier de liaison liaison officer; officier de semaine duty officer of the week; officier de marine naval officer; officier de la marine marchande officer in the merchant navy GB ou merchant marine US.officier de l'état civil registrar; officier de la Légion d'honneur officer of the Legion of HonourGB; officier marinier petty officer; officier ministériel holder of an office conferred for life by a public authority; officier d'ordonnance aide-de-camp; officier de police judiciaire law enforcement officer; officier public office-holder whose statements are deemed authentic; officier de renseignement intelligence officer; ⇒ grand.I[ɔfisje] nom masculinofficier de marine/de l'armée de terre naval/army officerofficier supérieur/général field/general officer2. [titulaire - d'une fonction, d'une distinction]officier de l'état civil ≃ registrarII[ɔfisje] verbe intransitif2. (figuré & humoristique) to presidequi officie aux fourneaux ce soir? who's in charge ou presiding in the kitchen tonight? -
5 officier
I m1) чиновник; служащий, должностное лицоofficier public — должностное лицо, имеющее право удостоверять юридические акты (нотариус, секретарь суда)officier ministériel — должностное лицо в суде (поверенный, судебный исполнитель, секретарь, оценщик и др.)officier de police judiciaire — должностное лицо, имеющее полномочия по расследованию правонарушений (мэр, комиссар полиции, прокурор, судья)officier de l'état civil — служащий, ведающий актами гражданского состояния ( обычно - мэр коммуны)grands officiers de la Couronne ист. — высшие должностные лица при короле (коннетабль, канцлер и т. п.)2) офицерofficier de carrière — кадровый офицерofficier subalterne — младший офицерofficier de garnison — комендант гарнизонаofficier instructeur — офицер-инструктор; военный следователь3)officier de la Légion d'honneur — кавалер ордена Почётного легионаofficier d'académie, officier de l'Instruction publique — удостоенный знака отличия по народному просвещению4) уст. слугаofficier de bouche — 1) повар 2) провиантмейстерII vi2) перен. священнодействовать -
6 officier
officier1 [offiesjee]〈m.〉♦voorbeelden:officier de la Légion d'honneur • officier van het Legioen van Eerofficier de la marine marchande • koopvaardijofficierofficier général • opperofficiergrand officier • grootofficierofficier subalterne • lagere officierofficier supérieur • hoofdofficierofficier de police judiciaire • opsporingsambtenaarofficier ministériel, public • (ministerieel) ambtenaar————————officier2 [offiesjee]〈 werkwoord〉1. m 2. v -
7 légion
légion [leʒjɔ̃]feminine noun━━━━━━━━━━━━━━━━━Created by Napoleon in 1802, the Légion d'honneur is a prestigious order awarded for either civil or military achievements. The order is divided into five « classes »: « chevalier » (the lowest), « officier », « commandeur », « grand officier » and « grand-croix » (the highest). Full regalia consists of medals and sashes but on less formal occasions these are replaced by a discreet red ribbon or rosette (according to rank) worn on the lapel.* * *leʒjɔ̃1) Histoire, Armée legion2) ( multitude) army (de of)•Phrasal Verbs:* * *leʒjɔ̃ nfla Légion d'honneur — the Legion of Honour Grande-Bretagne the Legion of Honor USA
* * *légion nf2 ( multitude) army (de of); ils sont légion they are legion.la Légion (étrangère) the Foreign Legion; la Légion d'honneur the Legion of HonourGB.ⓘ Légion d'honneur The system of honours awarded by the state for meritorious achievement. The Président de la République is the Grand maître. The basic rank is Chevalier. Holders of the Légion d'honneur are entitled to wear a small red lapel ribbon or une rosette.[leʒjɔ̃] nom féminin1. MILITAIRE2. [décoration]4. [grand nombre] -
8 Высший офицер Почётного легиона
Dictionnaire russe-français universel > Высший офицер Почётного легиона
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9 Guillaume, Charles-Edouard
[br]b. 15 February 1861 Fleurier, Switzerlandd. 13 June 1938 Sèvres, France[br]Swiss physicist who developed two alloys, "invar" and "elinvar", used for the temperature compensation of clocks and watches.[br]Guillaume came from a family of clock-and watchmakers. He was educated at the Gymnasium in Neuchâtel and at Zurich Polytechnic, from which he received his doctorate in 1883 for a thesis on electrolytic capacitors. In the same year he joined the International Bureau of Weights and Measures at Sèvres in France, where he was to spend the rest of his working life. He retired as Director in 1936. At the bureau he was involved in distributing the national standards of the metre to countries subscribing to the General Conference on Weights and Measures that had been held in 1889. This made him aware of the crucial effect of thermal expansion on the lengths of the standards and he was prompted to look for alternative materials that would be less costly than the platinum alloys which had been used. While studying nickel steels he made the surprising discovery that the thermal expansion of certain alloy compositions was less than that of the constituent metals. This led to the development of a steel containing about 36 per cent nickel that had a very low thermal coefficient of expansion. This alloy was subsequently named "invar", an abbreviation of invariable. It was well known that changes in temperature affected the timekeeping of clocks by altering the length of the pendulum, and various attempts had been made to overcome this defect, most notably the mercury-compensated pendulum of Graham and the gridiron pendulum of Harrison. However, an invar pendulum offered a simpler and more effective method of temperature compensation and was used almost exclusively for pendulum clocks of the highest precision.Changes in temperature can also affect the timekeeping of watches and chronometers, but this is due mainly to changes in the elasticity or stiffness of the balance spring rather than to changes in the size of the balance itself. To compensate for this effect Guillaume developed another more complex nickel alloy, "elinvar" (elasticity invariable), whose elasticity remained almost constant with changes in temperature. This had two practical consequences: the construction of watches could be simplified (by using monometallic balances) and more accurate chronometers could be made.[br]Principal Honours and DistinctionsNobel Prize for Physics 1920. Corresponding member of the Académie des Sciences. Grand Officier de la Légion d'honneur 1937. Physical Society Duddell Medal 1928. British Horological Institute Gold Medal 1930.Bibliography1897, "Sur la dilation des aciers au nickel", Comptes rendus hebdomadaires des séances de l'Académie des sciences 124:176.1903, "Variations du module d"élasticité des aciers au nickel', Comptes rendushebdomadaires des séances de l'Académie des sciences 136:498."Les aciers au nickel et leurs applications à l'horlogerie", in J.Grossmann, Horlogerie théorique, Paris, Vol. II, pp. 361–414 (describes the application of invar and elinvar to horology).Sir Richard Glazebrook (ed.), 1923 "Invar and Elinvar", Dictionary of Applied Physics, 5 vols, London, Vol. V, pp. 320–7 (a succinct account in English).Further ReadingR.M.Hawthorne, 1989, Nobel Prize Winners, Physics, 1901–1937, ed. F.N.Magill, Pasadena, Salem Press, pp. 244–51.See also: Le Roy, PierreDVBiographical history of technology > Guillaume, Charles-Edouard
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10 Le Chatelier, Henri Louis
SUBJECT AREA: Metallurgy[br]b. 8 November 1850 Paris, Franced. 17 September 1926 Miribel-les-Echelle, France[br]French inventor of the rhodium—platinum thermocouple and the first practical optical pyrometer, and pioneer of physical metallurgy.[br]The son of a distinguished engineer, Le Chatelier entered the Ecole Polytechnique in 1869: after graduating in the Faculty of Mines, he was appointed Professor at the Ecole Supérieure des Mines in 1877. After assisting Deville with the purification of bauxite in unsuccessful attempts to obtain aluminium in useful quantities, Le Chatelier's work covered a wide range of topics and he gave much attention to the driving forces of chemical reactions. Between 1879 and 1882 he studied the mechanisms of explosions in mines, and his doctorate in 1882 was concerned with the chemistry and properties of hydraulic cements. The dehydration of such materials was studied by thermal analysis and dilatometry. Accurate temperature measurement was crucial and his work on the stability of thermocouples, begun in 1886, soon established the superiority of rhodium-platinum alloys for high-temperature measurement. The most stable combination, pure platinum coupled with a 10 per cent rhodium platinum positive limb, became known as Le Chatelier couple and was in general use throughout the industrial world until c. 1922. For applications where thermocouples could not be used, Le Chatelier also developed the first practical optical pyrometer. From hydraulic cements he moved on to refractory and other ceramic materials which were also studied by thermal analysis and dilatometry. By 1888 he was systematically applying such techniques to metals and alloys. Le Chatelier, together with Osmond, Worth, Genet and Charpy, was a leading member of that group of French investigators who established the new science of physical metallurgy between 1888 and 1900. Le Chatelier was determining the recalescence points in steels in 1888 and was among the first to study intermetallic compounds in a systematic manner. To facilitate such work he introduced the inverted microscope, upon which metallographers still depend for the routine examination of polished and etched metallurgical specimens under incident light. The principle of mobile equilibrium, developed independently by Le Chatelier in 1885 and F.Braun in 1886, stated that if one parameter in an equilibrium situation changed, the equilibrium point of the system would move in a direction which tended to reduce the effect of this change. This provided a useful qualitative working tool for the experimentalists, and was soon used with great effect by Haber in his work on the synthesis of ammonia.[br]Principal Honours and DistinctionsGrand Officier de la Légion d'honneur. Honorary Member of the Institute of Metals 1912. Iron and Steel Institute Bessemer Medal.Further ReadingF.Le Chatelier, 1969, Henri Le Chatelier.C.K.Burgess and H.L.Le Chatelier, The Measurement of High Temperature.ASDBiographical history of technology > Le Chatelier, Henri Louis
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11 Locke, Joseph
[br]b. 9 August 1805 Attercliffe, Yorkshire, Englandd. 18 September 1860 Moffat, Scotland[br]English civil engineer who built many important early main-line railways.[br]Joseph Locke was the son of a colliery viewer who had known George Stephenson in Northumberland before moving to Yorkshire: Locke himself became a pupil of Stephenson in 1823. He worked with Robert Stephenson at Robert Stephenson \& Co.'s locomotive works and surveyed railways, including the Leeds \& Selby and the Canterbury \& Whitstable, for George Stephenson.When George Stephenson was appointed Chief Engineer for construction of the Liverpool \& Manchester Railway in 1826, the first resident engineer whom he appointed to work under him was Locke, who took a prominent part in promoting traction by locomotives rather than by fixed engines with cable haulage. The pupil eventually excelled the master and in 1835 Locke was appointed in place of Stephenson as Chief Engineer for construction of the Grand Junction Railway. He introduced double-headed rails carried in chairs on wooden sleepers, the prototype of the bullhead track that became standard on British railways for more than a century. By preparing the most detailed specifications, Locke was able to estimate the cost of the railway much more accurately than was usual at that time, and it was built at a cost close to the estimate; this made his name. He became Engineer to the London \& Southampton Railway and completed the Sheffield, Ashton-under-Lyme \& Manchester Railway, including the 3-mile (3.8 km) Woodhead Tunnel, which had been started by Charles Vignoles. He was subsequently responsible for many British main lines, including those of the companies that extended the West Coast Route northwards from Preston to Scotland. He was also Engineer to important early main lines in France, notably that from Paris to Rouen and its extension to Le Havre, and in Spain and Holland. In 1847 Locke was elected MP for Honiton.Locke appreciated early in his career that steam locomotives able to operate over gradients steeper than at first thought practicable would be developed. Overall his monument is not great individual works of engineering, such as the famous bridges of his close contemporaries Robert Stephenson and I.K. Brunel, but a series of lines built economically but soundly through rugged country without such works; for example, the line over Shap, Cumbria.[br]Principal Honours and DistinctionsOfficier de la Légion d'honneur, France. FRS. President, Institution of Civil Engineers 1858–9.Further ReadingObituary, 1861, Minutes of Proceedings of the Institution of Civil Engineers 20. L.T.C.Rolt, 1962, Great Engineers, London: G. Bell \& Sons, ch. 6.Industrial Heritage, 1991, Vol. 9(2):9.See also: Brassey, ThomasPJGR
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