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1 approach
approach [ə'prəʊtʃ]∎ as we approached Boston comme nous approchions de Boston;∎ she is approaching fifty elle approche de la cinquantaine;∎ we are approaching a time when... le jour approche où...;∎ we have nothing approaching that colour nous n'avons rien qui se rapproche de cette couleur;∎ speeds approaching the speed of light des vitesses proches de celle de la lumière;∎ it was approaching Christmas Noël approchait;∎ a feeling approaching hatred un sentiment proche de la haine(b) (consider) aborder;∎ let's approach the problem from another angle abordons le problème d'une autre façon;∎ that's not the way to approach it ce n'est pas comme cela qu'il faut s'y prendre(c) (speak to) parler à; (of company, group, team) pressentir, faire des propositions ou des ouvertures à;∎ to be easy/difficult to approach être d'un abord facile/difficile;∎ I was approached by a man in the street j'ai été abordé par un homme dans la rue;∎ I approached him about the job je lui ai parlé du poste;∎ they approached him about doing a deal ils sont entrés en contact avec lui pour conclure un marché(person, vehicle) s'approcher; (time, event) approcher, être proche;∎ Christmas/spring is approaching Noël/le printemps approche3 noun(a) (of person, vehicle) approche f, arrivée f; (of spring) approche f; (of night) tombée f; (of death) approche(s) f(pl);∎ she heard his approach elle l'a entendu venir;∎ the pilot began his approach to Heathrow le pilote commença sa descente sur ou vers Heathrow(b) (way of tackling) méthode f;∎ another approach to the problem une autre façon d'aborder le problème;∎ I don't like her approach je n'aime pas sa façon de s'y prendre;∎ a new approach to dealing with unemployment une nouvelle conception de la lutte contre le chômage, une nouvelle méthode de lutte contre le chômage;∎ let's try the direct approach allons-y sans détours;∎ this book adopts a non-scientific approach to the subject ce livre aborde le sujet d'une manière non scientifique(c) (proposal) proposition f;∎ the shopkeeper made an approach to his suppliers le commerçant a fait une proposition à ses fournisseurs∎ the approaches to the town les voies d'accès de la ville;∎ the approach to the house/hotel l'allée qui mène à la maison/à l'hôtel;∎ the approaches to the beach les chemins qui mènent à la plage;∎ the approach to the summit le chemin qui mène au sommet∎ an approach to an apology/a smile un semblant d'excuse/de sourire;∎ it's the nearest approach to an apology that they received c'est ce qu'on leur a dit qui ressemblait le plus à des excuses►► British Transport approach road route f d'accès; (to motorway) voie f de raccordement, bretelle f; -
2 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 -
3 Page, Charles Grafton
[br]b. 25 January 1812 Salem, Massachusetts, USAd. 5 May 1868 Washington, DC, USA[br]American scientist and inventor of electric motors.[br]Page graduated from Harvard in 1832 and subsequently attended Boston Medical School. He began to practise in Salem and also engaged in experimental research in electricity, discovering the improvement effected by substituting bundles of iron wire for solid bars in induction coils. He also created a device which he termed a Dynamic Multiplier, the prototype of the auto-transformer. Following a period in medical practice in Virginia, in 1841 he became one of the first two principal examiners in the United States Patent Office. He also held the Chair of Chemistry and Pharmacy at Columbian College, later George Washington University, between 1844 and 1849.A prolific inventor, Page completed several large electric motors in which reciprocating action was converted to rotary motion, and invested an extravagant sum of public money in a foredoomed effort to develop a 10-ton electric locomotive powered by primary batteries. This was unsuccessfully demonstrated in April 1851 on the Washington-Baltimore railway and seriously damaged his reputation. Page approached Thomas Davenport with an offer of partnership, but Davenport refused.After leaving the Patent Office in 1852 he became a patentee himself and advocated the reform of the patent procedures. Page returned to the Patent Office in 1861, and later persuaded Congress to pass a special Act permitting him to patent the induction coil. This was the cause, after his death, of protracted and widely publicized litigation.[br]Bibliography1867, History of Induction: The American Claim to the Induction Coil and itsElectrostatic Developments, Washington, DC.Further ReadingR.C.Post, 1976, Physics, Patents and Politics, New York (a biography which treats Page as a focal point for studying the American patent system).——1976, "Stray sparks from the induction coil: the Volta prize and the Page patent", Proceedings of the Institute of Electrical Engineers 64: 1,279–86 (a short account).W.J.King, 1962, The Development of Electrical Technology in the 19th Century, Washington, DC: Smithsonian Institution, Paper 28.GW
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