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121 road
road [rəʊd]1 noun∎ minor road route f secondaire;∎ by road par la route;∎ the Liverpool road la route de Liverpool;∎ is this the (right) road for or to Liverpool? est-ce la (bonne) route pour Liverpool?;∎ are we on the right road? sommes-nous sur la bonne route?;∎ on the road to Liverpool, the car broke down en allant à Liverpool, la voiture est tombée en panne;∎ we took the road from Manchester to Liverpool on a pris la route qui va de Manchester à Liverpool ou qui relie Manchester à Liverpool;∎ to be on the road (travelling) être en route ou chemin ou voyage; (salesman) être sur la route; (pop star, troupe) être en tournée;∎ we've been on the road since six o'clock this morning nous roulons depuis six heures ce matin;∎ his car shouldn't be on the road sa voiture devrait être retirée de la circulation;∎ someone of his age shouldn't be on the road une personne de son âge ne devrait pas prendre le volant;∎ British the price on the road excludes number plates and delivery le prix clés en mains ne comprend pas les frais de livraison et d'immatriculation;∎ my car is off the road at the moment ma voiture est en panne ou chez le garagiste∎ a road of shops/of houses une rue de magasins/de maisons, une artère commerçante/résidentielle;∎ he lives just down the road il habite un peu plus loin dans la même rue;∎ Mr James from across the road M. James qui habite en face;∎ he lives across the road from us il habite en face de chez nous∎ to stand in the middle of the road se tenir au milieu de la route ou de la chaussée;∎ figurative let's get this show on the road! bon, on y va!;∎ familiar one for the road un petit coup avant de partir;∎ proverb the road to hell is paved with good intentions l'enfer est pavé de bonnes intentions∎ if we go down that road si nous nous engageons sur cette voie;∎ we don't want to go down the road of military intervention nous ne voulons pas nous engager dans la voie d'une intervention armée;∎ to be on the right road être sur la bonne voie;∎ to be on the road to success/recovery être sur le chemin de la réussite/en voie de guérison;∎ he is on the road to an early death il est (bien) parti pour mourir jeune;∎ down the road (in the future) à l'avenir;∎ no one can see what is down the road personne ne peut savoir ce que l'avenir réserve;∎ a few years down the road dans quelques années;∎ yes, when I'm seventy, but that's a long way down the road (yet) oui, quand j'aurai soixante-dix ans, mais ce n'est pas pour tout de suite;∎ British familiar you're in my road! (I can't pass) vous me bouchez le passage!□ ; (I can't see) vous me bouchez la vue!□ ;∎ familiar it was getting in the road of solving the problem cela empêchait de résoudre le problème□ ;∎ proverb all roads lead to Rome tous les chemins mènent à Rome∎ any road (up) de toute façon□ ;∎ it's too late, any road de toute façon, c'est trop tardroad atlas atlas m routier;road book guide m routier;road haulage camionnage m, transports mpl routiers;road haulage company entreprise f de transports routiers;road haulage forwarding agent groupeur m routier;road haulier transporteur m routier, affréteur m routier;familiar road kill = animaux écrasés par des voitures;road maintenance voirie f;road manager responsable mf de tournée (d'un chanteur ou d'un groupe pop);road map carte f routière;road movie road-movie m;road pricing = instauration d'un système de routes à péage;road race (in cycling) course f cycliste sur route;road rage = accès de colère provoqué par la conduite des autres automobilistes;road roller rouleau m compresseur;road safety sécurité f routière;road sense (for driver) sens m de la conduite;∎ children have to be taught road sense on doit apprendre aux enfants à faire attention à la circulation;road sign panneau m de signalisation;British road tax taxe f sur les automobiles;∎ have you paid your road tax? ≃ est-ce que tu as acheté ta vignette?;road tax disc ≃ vignette f (automobile);road test essai m sur route;road train train m ou convoi m routier;road transport transports mpl routiers;road transport company entreprise f de transport routier;road works travaux mpl (d'entretien des routes) -
122 Cobham, Sir Alan John
SUBJECT AREA: Aerospace[br]b. 6 May 1894 London, Englandd. 21 October 1973 British Virgin Islands[br]English pilot who pioneered worldwide air routes and developed an in-flight refuelling system which is in use today.[br]Alan Cobham was a man of many parts. He started as a veterinary assistant in France during the First World War, but transferred to the Royal Flying Corps in 1917. After the war he continued flying, by giving joy-rides and doing aerial photography work. In 1921 he joined the De Havilland Aircraft Company (see de Havilland, Geoffrey) as a test and charter pilot; he was also successful in a number of air races. During the 1920s Cobham made many notable flights to distant parts of the British Empire, pioneering possible routes for airline operations. During the early 1930s Sir Alan (he was knighted in 1926) devoted his attention to generating a public interest in aviation and to campaigning for more airfields. Cobham's Flying Circus toured the country giving flying displays and joy-rides, which for thousands of people was their first experience of flying.In 1933 Cobham planned a non-stop flight to India by refuelling his aircraft while flying: this was not a new idea but the process was still experimental. The flight was unsuccessful due to a fault in his aircraft, unrelated to the in-flight refuelling system. The following year Flight Refuelling Ltd was founded, and by 1939 two Short flying boats were operating the first inflight-refuelled service across the Atlantic. Inflight refuelling was not required during the early years of the Second World War, so Cobham turned to other projects such as thermal de-icing of wings, and a scheme which was not carried out, for delivering fighters to the Middle East by towing them behind Wellington bombers.After the Second World War the fortunes of Flight Refuelling Ltd were at a low ebb, especially when British South American Airways abandoned the idea of using in-flight refuelling. Then an American contract and the use of their tanker aircraft to ferry oil during the Berlin Airlift saved the day. In 1949 Cobham's chief designer, Peter Macgregor, came up with an idea for refuelling fighters using a probe and drogue system. A large tanker aircraft trailed a hose with a conical drogue at the free end. The fighter pilot manoeuvred the probe, fitted to his aircraft, so that it locked into the drogue, enabling fuel to be transferred. Since the 1950s this system has become the effective world standard.[br]Principal Honours and DistinctionsKnighted 1926. Air Force Cross 1926.Bibliography1978, A Time to Fly, ed. C.Derrick, London; pub. in paperback 1986 (Cobham's memoirs).Cobham produced films of some of his flights and published Skyways, 1925, London; MyFlight to the Cape and Back, 1926, London; Australia and Back, 1926, London;Twenty Thousand Miles in a Flying Boat, 1930, London.Further ReadingPeter G.Proctor, 1975, "The life and work of Sir Alan Cobham", Aerospace (RAeS) (March).JDS -
123 Fairbairn, Sir Peter
SUBJECT AREA: Textiles[br]b. September 1799 Kelso, Roxburghshire, Scotlandd. 4 January 1861 Leeds, Yorkshire, England[br]British inventor of the revolving tube between drafting rollers to give false twist.[br]Born of Scottish parents, Fairbairn was apprenticed at the age of 14 to John Casson, a mill-wright and engineer at the Percy Main Colliery, Newcastle upon Tyne, and remained there until 1821 when he went to work for his brother William in Manchester. After going to various other places, including Messrs Rennie in London and on the European continent, he eventually moved in 1829 to Leeds where Marshall helped him set up the Wellington Foundry and so laid the foundations for the colossal establishment which was to employ over one thousand workers. To begin with he devoted his attention to improving wool-weaving machinery, substituting iron for wood in the construction of the textile machines. He also worked on machinery for flax, incorporating many of Philippe de Girard's ideas. He assisted Henry Houldsworth in the application of the differential to roving frames, and it was to these machines that he added his own inventions. The longer fibres of wool and flax need to have some form of support and control between the rollers when they are being drawn out, and inserting a little twist helps. However, if the roving is too tightly twisted before passing through the first pair of rollers, it cannot be drawn out, while if there is insufficient twist, the fibres do not receive enough support in the drafting zone. One solution is to twist the fibres together while they are actually in the drafting zone between the rollers. In 1834, Fairbairn patented an arrangement consisting of a revolving tube placed between the drawing rollers. The tube inserted a "middle" or "false" twist in the material. As stated in the specification, it was "a well-known contrivance… for twisting and untwisting any roving passing through it". It had been used earlier in 1822 by J. Goulding of the USA and a similar idea had been developed by C.Danforth in America and patented in Britain in 1825 by J.C. Dyer. Fairbairn's machine, however, was said to make a very superior article. He was also involved with waste-silk spinning and rope-yarn machinery.Fairbairn later began constructing machine tools, and at the beginning of the Crimean War was asked by the Government to make special tools for the manufacture of armaments. He supplied some of these, such as cannon rifling machines, to the arsenals at Woolwich and Enfield. He then made a considerable number of tools for the manufacture of the Armstrong gun. He was involved in the life of his adopted city and was elected to Leeds town council in 1832 for ten years. He was elected an alderman in 1854 and was Mayor of Leeds from 1857 to 1859, when he was knighted by Queen Victoria at the opening of the new town hall. He was twice married, first to Margaret Kennedy and then to Rachel Anne Brindling.[br]Principal Honours and DistinctionsKnighted 1858.Bibliography1834, British patent no. 6,741 (revolving tube between drafting rollers to give false twist).Further ReadingDictionary of National Biography.Obituary, 1861, Engineer 11.W.English, 1969, The Textile Industry, London (provides a brief account of Fairbairn's revolving tube).C.Singer (ed.), 1958, A History of Technology, Vols IV and V, Oxford: Clarendon Press (provides details of Fairbairn's silk-dressing machine and a picture of a large planing machine built by him).RLH -
124 Grove, Sir William Robert
SUBJECT AREA: Electricity[br]b. 11 July 1811 Swansea, Walesd. 1 August 1896 London, England[br]Welsh chemist and physicist, inventor of the Grove electrochemical primary cell.[br]After education at Brasenose College, Oxford, Grove was called to the Bar in 1835. Instead of immediately practising, he became involved in electrical research, devising in 1839 the cell that bears his name. He became Professor of Experimental Philosophy at the London Institution from 1840 to 1845; it was during this period that he built up his high reputation among physicists. In 1846 he published On the Correlation of Physical Forces, which was based on a course of his lectures. He returned to the practice of law, becoming a judge in 1871, but retained his interest in scientific research during his sixteen-year occupancy of the Bench. He served as a member of the Council of the Royal Society in 1846 and 1847 and played a leading part in its reform. Contributing to the science of electrochemistry, he invented the Grove cell, which together with its modification by Bunsen became an important source of electrical energy during the middle of the nineteenth century, before mechanically driven generators became available. The Grove cell had a platinum electrode immersed in strong nitric acid, separated by a porous diaphragm from a zinc electrode in weak sulphuric acid. The hydrogen formed at the platinum electrode was immediately oxidized by the acid, turning it into water. This avoided the polarization which occurred in the early copper-zinc cells. It was a very powerful primary cell with a high voltage and a low internal resistance, but it produced objectionable fumes. Grove also invented his "gas battery", the earliest fuel cell, in which a current resulted from the chemical energy released from combining oxygen and hydrogen. This was developed by Rawcliffe and others, and found applications as a power source in manned spacecraft.[br]Principal Honours and DistinctionsKnighted 1872. FRS 1840. Fellow of the Chemistry Society 1841. Royal Society Royal Medal 1847.Bibliography1846, On the Correlation of Physical Forces, London; 1874, 6th edn, with reprints of many of Grove's papers (his only book, an early view on the conservation of energy).1839, "On a small voltaic battery of great energy", Philosophical Magazine 15:287–93 (his account of his cell).Further ReadingObituary, 1896, Electrician 37:483–4.K.R.Webb, 1961, "Sir William Robert Grove (1811–1896) and the origin of the fuel cell", Journal of the Royal Institute of Chemistry 85: 291–3 (for the present-day significance of Grove's experiments).C.C.Gillispie (ed.), 1972, Dictionary of Scientific Biography, Vol. V, New York, pp. 559–61.GWBiographical history of technology > Grove, Sir William Robert
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125 Hair, Thomas H.
SUBJECT AREA: Mining and extraction technology[br]fl. c. 1830–75 northern England[br]English artist whose work was concerned with the industrial landscape.[br]Hair is best known for the folio volume A Series of Views of the Collieries in the Counties of Northumberland and Durham, published in 1839. This is a volume of engravings after watercolours by T.H.Hair which show in its forty-two pictures particular collieries and details of the workings. The accompanying text by M.Ross describes the pictures and the activities of the various collieries in considerable detail. One of Hair's most famous paintings is "Hartley Colliery after the Disaster" (1869). T.H.Hair's paintings and his book are important for they give an accurate picture of industrial Northumberland and Durham in the middle of the nineteenth century.[br]Bibliography1839, A Series of Views of the Collieries in the Counties of Northumberland and Durham, London; reprinted 1969, Newton Abbot.Further ReadingM.Hall, 1973, The Artists of Northumbria, Newcastle upon Tyne.KM -
126 Rateau, Auguste Camille-Edmond
[br]b. 13 October 1863 Royan, Franced. 13 January 1930 Neuilly-sur-Seine, France[br]French constructor of turbines, inventor of the turbo compressor and a centrifugal fan for mine ventilation.[br]A don of the Ecole Polytechnique and the Ecole Supérieure des Mines in Paris, Rateau joined the French Corps des Mines in 1887. Between 1888 and 1898 he taught applied mechanics and electro technics at the Ecole des Mines in St-Etienne. Trying to apply the results of his research to practise, he became into contact with commercial firms, before he was appointed Professor of Industrial Electricity at the Ecole Supérieure des Mines in Paris in 1902. He held this position until 1910, although he founded the Société Anonyme Rateau in Paris in 1903 which by the time of his death had subsidiaries in most of the industrial centres of Europe. By the middle of the nineteenth century, when the increasing problems of ventilation in coal mines had become evident and in many countries had led to several unsatisfactory mechanical constructions, Rateau concentrated on this problem soon after he began working in St-Etienne. The result of his research was the design of a centrifugal fan in 1887 with which he established the principles of mechanical ventilation on a general basis that led to future developments and helped, together with the ventilator invented by Capell in England, to pave the way for the use of electricity in mine ventilation.Rateau continued the study of fluid mechanics and the applications of rotating engines, and after he had published widely on this subject he began to construct many steam turbines, centrifugal compressors and centrifugal pumps. The multicellular Rateau turbine of 1901 became the prototype for many others constructors. During the First World War, when he was very active in the French armaments industry, he developed the invention of the automatic supercharger for aircraft engines and later diesel engines.[br]Principal Honours and DistinctionsAcadémie des Sciences, Prix Fourneyron 1899, Prix Poncelet 1911, Member 1918.Bibliography1892, Considérations sur les turbo-machines et en particulier sur les ventilateurs, St- Etienne.1900, Traité des turbo-machines, Paris.1907, Ventilateurs centrifuges à haute pression, Paris.1908. Développement des turbines à vapeur d'échappement, Paris. 1917, Notice sur les travaux scientifiques et techniques, Paris.Further ReadingH.H.Suplee, 1930, obituary, Mechanical Engineering 52:570–1.L.Leprince-Ringuet (ed.), 1951, Les inventeurs célèbres, Geneva: 151–2 (a comprehensive description of his life and the importance of his turbines).WKBiographical history of technology > Rateau, Auguste Camille-Edmond
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127 Reichenbach, Georg Friedrich von
SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering, Photography, film and optics, Public utilities[br]b. 24 August 1772 Durlach, Baden, Germanyd. 21 May 1826 Munich, Germany[br]German engineer.[br]While he was attending the Military School at Mannheim, Reichenbach drew attention to himself due to the mathematical instruments that he had designed. On the recommendation of Count Rumford in Munich, the Bavarian government financed a two-year stay in Britain so that Reichenbach could become acquainted with modern mechanical engineering. He returned to Mannheim in 1793, and during the Napoleonic Wars he was involved in the manufacture of arms. In Munich, where he was in the service of the Bavarian state from 1796, he started producing precision instruments in his own time. His basic invention was the design of a dividing machine for circles, produced at the end of the eighteenth century. The astronomic and geodetic instruments he produced excelled all the others for their precision. His telescopes in particular, being perfect in use and of solid construction, soon brought him an international reputation. They were manufactured at the MathematicMechanical Institute, which he had jointly founded with Joseph Utzschneider and Joseph Liebherr in 1804 and which became a renowned training establishment. The glasses and lenses were produced by Joseph Fraunhofer who joined the company in 1807.In the same year he was put in charge of the technical reorganization of the salt-works at Reichenhall. After he had finished the brine-transport line from Reichenhall to Traunstein in 1810, he started on the one from Berchtesgaden to Reichenhall which was an extremely difficult task because of the mountainous area that had to be crossed. As water was the only source of energy available he decided to use water-column engines for pumping the brine in the pipes of both lines. Such devices had been in use for pumping purposes in different mining areas since the middle of the eighteenth century. Reichenbach knew about the one constructed by Joseph Karl Hell in Slovakia, which in principle had just been a simple piston-pump driven by water which did not work satisfactorily. Instead he constructed a really effective double-action water-column engine; this was a short time after Richard Trevithick had constructed a similar machine in England. For the second line he improved the system and built a single-action pump. All the parts of it were made of metal, which made them easy to produce, and the pumps proved to be extremely reliable, working for over 100 years.At the official opening of the line in 1817 the Bavarian king rewarded him generously. He remained in the state's service, becoming head of the department for roads and waterways in 1820, and he contributed to the development of Bavarian industry as well as the public infrastructure in many ways as a result of his mechanical skill and his innovative engineering mind.[br]Further ReadingBauernfeind, "Georg von Reichenbach" Allgemeine deutsche Biographie 27:656–67 (a reliable nineteenth-century account).W.Dyck, 1912, Georg v. Reichenbach, Munich.K.Matschoss, 1941, Grosse Ingenieure, Munich and Berlin, 3rd edn. 121–32 (a concise description of his achievements in the development of optical instruments and engineering).WKBiographical history of technology > Reichenbach, Georg Friedrich von
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128 كنيسة
كَنِيسَة \ church: a building in which Christians meet to pray to God. the church: all those who hold certain beliefs about God: the Church of England; the Roman Catholic Church. \ الكَنِيسَة الأُرْثُوذُكسِيّة (الشرقيّة) \ Orthodox Church: (with the) the Christian church of the Middle East and Greece, which does not follow the Church of Rome. \ كَنِيسَة جامِعَة \ cathedral: an important church. \ كَنِيسَة خاصّة \ chapel: a small church, esp. one in a school, college, etc..
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