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41 -Shoes-
Shopping ShoesCan I try these shoes on in a size ten please? Posso provare il dieci di quelle scarpe?All the sizes in stock are on display. Tutti i numeri disponibili sono in esposizione.Do you have these shoes in a size ten? Avete il dieci di queste scarpe?I'll just check, we've got them in stock. Vado a controllare, sono in magazzino.Here's a size ten. Ecco il dieci.How do they fit? Come le stanno?They're a bit big. Sono un po' grandi.Do you have half a size smaller? Ha un mezzo numero in meno?I'll check for you. Vado a controllare.There you go. Ecco a lei.Have you got a mirror? C'è uno specchio?There's a mirror over there by the ladies' shoes. C'è uno specchio vicino alle scarpe da donna.I'll be back in just a moment. Sarò di ritorno in un attimo.How is that pair for size? Come va il numero?This pair is fine, I'll take them. Questo paio va bene, lo prendo.Don't bother putting the shoes in the box, I'll keep them on. Non si preoccupi di mettere le scarpe nella scatola, le tengo ai piedi.Do you have these shoes in any other colours? Queste scarpe le ha in altri colori?We've got them in light brown but only in a size eleven. Ci sono in marrone chiaro, ma abbiamo solo l'undici. -
42 ♦ bear
♦ bear /bɛə(r)/A n.3 (fig.) uomo rozzo o sgraziato4 (fig.) omone; orso6 (pl. bears, bear) ( slang USA) poliziotto (spec. della stradale): bear in the air, elicottero della polizia; bear trap, pattuglia della stradale con radarB a.( Borsa) al ribasso; ribassista: bear campaign, campagna ribassista; bear market, mercato al ribasso; mercato ribassista; orso; bear sale, vendita allo scoperto● (stor.) bear-baiting, combattimento di cani contro un orso incatenato □ (bot.) bear's breech ( Acanthus mollis), acanto □ bear fight, corpo a corpo □ bear garden, (stor.) recinto degli orsi; (fig.) pandemonio, finimondo, caos □ bear hug, ( lotta) cintura frontale; (fig. fam.) forte abbraccio □ bear pit, fossa degli orsi ( in uno zoo, ecc.) □ (fam. GB) to be like a bear with a sore head, essere intrattabile.(to) bear (1) /bɛə(r)/1 portare; reggere; sostenere; recare, serbare ( un segno, ecc.): to bear a sword, portare la spada; Six columns bear the roof, sei colonne reggono il tetto; This support won't bear your weight, questo appoggio non può sostenere il tuo peso; They bore out the body, hanno portato fuori il cadavere; to bear the marks (o signs, traces) of st., portare i segni di qc.; to bear comparison with sb. (st.), reggere al confronto con q. (qc.); to bear the name [title, signature, date], portare il nome [il titolo, la firma, la data]; to bear all expenses, sostenere tutte le spese2 sopportare; tollerare: The wounded soldier bore the pain bravely, il soldato ferito ha sopportato coraggiosamente il dolore; I cannot bear that boy, non riesco a sopportare (o non posso soffrire) quel ragazzo4 dare, produrre; dare frutti, fruttificare: ( di un albero) to bear apples [pears], dare mele [pere]; This plant bears every other year, questa pianta dà frutti un anno sì e un anno no5 (fin.) dare, fruttare: These treasury bonds bear ten per cent interest, questi buoni del Tesoro danno il dieci per cento d'interesse6 dirigersi (verso); voltare, girare (a): to bear ( to the) left, spostarsi a sinistra; prendere a sinistra; svoltare a sinistra; tenersi a sinistra; You must bear to the right of the hill, devi tenerti alla destra della collina● to bear arms, portare le armi □ to bear the brunt, sostenere tutto il peso; fare lo sforzo maggiore □ to bear sb. company, fare compagnia a q. □ to bear enquiry (o investigation), uscire indenne da un'indagine: His business won't bear enquiry, i suoi affari non possono uscire indenni da un'indagine (o sono poco puliti) □ to bear false witness, (leg.) deporre il falso □ bear fruit, portare (o dare) frutto □ to bear a grudge, portare rancore; volerne (a q.) □ to bear a hand, dare una mano; aiutare □ to bear hard, sopportare a fatica (o a malincuore); mal sopportare □ to bear hard on, gravare su; opprimere: Indirect taxation bears hard on the poor, le imposte indirette gravano sui non abbienti □ to bear heavily on st., incidere molto su qc. □ to bear in mind, tener presente; ricordare: Bear in mind that the train leaves at eleven sharp, ricordati che il treno parte alle undici precise □ to bear a loss, sopportare una perdita □ to bear a meaning, avere un significato □ to bear oneself, condursi; comportarsi: She bore herself with dignity, si comportò con dignità □ to bear the palm, riportare la palma □ to bear a part in st., avere mano in qc.; sostenere una parte in qc. □ to bear a resemblance to sb. [st.], essere simile, somigliare a q. [qc.] □ (leg.) to bear witness, testimoniare; deporre □ to bring to bear ► to bring □ not to bear repeating, essere irripetibile (o sconveniente) □ Grin and bear it!, stringi i denti e tieni duro! NOTA D'USO: - born o borne?-.(to) bear (2) /bɛə(r)/ ( Borsa)A v. i.B v. t.● to bear the market, fare operazioni al ribasso; vendere allo scoperto. -
43 comprehensive
[ˌkɔmprɪ'hen(t)sɪv]прил.всесторонний, полный, всеобъемлющийcomprehensive guide — справочник, дающий исчерпывающую информацию
comprehensive school — брит. "единая средняя школа" (государственная средняя школа, куда поступающие принимаются без отборочных экзаменов) см. тж. eleven-plus
Syn:Ant: -
44 girl
[gɜːl] 1. сущ.1)а) девочка; дочкаWe had a little girl. — У нас была маленькая дочка.
б) девушка; разг. молодая женщинаcareer girl, working girl — работающая женщина; женщина, делающая карьеру
2) девушка, подруга, возлюбленная; дама сердцаBut the thing is that she's my girl. — Дело, видишь ли, в том, что она моя девушка.
Syn:3)а) прислуга, служанкаб) продавщицав) разг. хористка••- old girl- college girl - pinup girl
- good girl 2. гл.крутить любовь, ходить по девкам -
45 reckon
['rek(ə)n]гл.1)а) = reckon up считать, подсчитывать, вычислять"But I can't reckon it; will you?" - "Eleven pounds and sixpence, is it?" — "Я не могу посчитать, может, ты это сделаешь?"- "Одиннадцать фунтов и шесть пенсов, кажется, столько".
б) отсчитывать, вести отсчёт (от какого-л. определённого момента)The Christian age is usually reckoned from the birth of Christ. — Христианское летоисчисление ведётся от Рождества Христова.
•Syn:2)а) полагать, рассматривать, считать, придерживаться мненияHe was reckoned one of the richest merchants in the city. — Он считался одним из самых богатых торговцев в городе.
The city council reckons its library as an important part of public service. — Городской совет считает, что библиотека - важный общественный институт.
I reckon that no one could accuse me of idle talking. — Я полагаю, что никто не смог бы обвинить меня в пустословии.
Syn:б) ( reckon among) причислять к (чему-л.)I am proud to reckon you among my friends. — Рад, что ты мой друг.
3) разг.а) ( reckon (up)on) надеяться, рассчитывать, полагаться на (кого-л. / что-л.)I reckon on your help. — Я рассчитываю на вашу помощь.
You can always reckon on Jim, he'll never fail you. — Можешь всегда полагаться на Джима, он никогда не подведёт тебя.
б) ( reckon for) рассчитывать на (что-л.); предусматривать (что-л.)He got more than he reckoned for when he chose to play against such an opponent. — Он не рассчитывал встретиться со столькими трудностями, когда выбирал себе этого противника.
Syn:4) разг. высоко ценить, уважатьI don't reckon him. — Я о нём невысокого мнения.
Syn:5) ( reckon with)а) рассчитываться, расплачиваться с (кем-л.)We must reckon with anyone we are in debt to. — Надо рассчитаться со всеми, кому мы должны.
I'll reckon with that boy when he gets home! — Ох, и задам я этому парню, когда он придёт домой!
б) принимать в расчёт (кого-л. / что-л.); считаться с (кем-л. / чем-л.)We must reckon with all possible difficulties when we are considering the cost of the contract. — Когда определяешь сумму контракта, нужно учитывать все возможные трудности.
Women have become a force to be reckoned with. — Женщины стали силой, с которой нельзя не считаться.
Syn:take into consideration, take into account6) ( reckon without) разг. не суметь предусмотреть, не рассчитатьWe had hoped to hold the garden party this weekend, but we reckoned without the weather! — Мы хотели устроить вечеринку на открытом воздухе в эти выходные, но просчитались с погодой!
•- reckon off
- reckon upSyn:••to reckon without one's host — ошибиться в расчётах, крупно просчитаться
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46 retire
[rɪ'taɪə] 1. гл.1)а) уходить в отставку, на пенсиюto retire from the army — выйти в отставку ( о военном), уволиться из армии
to retire as editor of the magazine / president of the company — уйти в отставку с поста редактора журнала / президента компании
He retired when he was 65. — Он вышел на пенсию в 65 лет.
б) отправлять в отставку, на пенсиюHe was retired on medical grounds. — Его отправили в отставку по состоянию здоровья.
2) спорт.а) уходить из спорта, заканчивать спортивную карьеруб) выбывать из игры, сходить с дистанции (например, из-за травмы)3) уходить, удаляться; уединятьсяThe General and I retired to his study to talk privately. — Генерал и я прошли к нему в кабинет, чтобы поговорить наедине.
The ladies retired to their tea, and left us over a bottle of wine. — Дамы ушли пить чай, и оставили нас за бутылкой вина.
4) = to retire for the night; = to retire to bed ложиться спатьWe retired to bed between ten and eleven o'clock. — Мы легли спать в одиннадцатом часу.
Syn:to go to bed, hit the hay, hit the sack, turn in5) воен.а) отступатьSyn:Syn:6) фин. изымать из обращения7) прятать, скрывать, запрятывать8) юр. удаляться на совещание ( о судьях или присяжных)2. сущ.; уст.There is no need for the jury to retire. (Pink Floyd, "The Wall") — Присяжным нет нужды совещаться.
1)а) отдых, удаление от обществаб) место отдыха; место, где человек проводит жизнь после ухода на пенсию•Syn:2) воен.а) приказ об отступлении, сигнал отходаб) отбой -
47 morning
morning ['mɔ:nɪŋ]1 noun∎ at three/ten o'clock in the morning à trois/dix heures du matin;∎ I worked all morning j'ai travaillé toute la matinée;∎ one summer morning un matin d'été;∎ when I awoke it was morning quand je me suis réveillé il faisait jour;∎ every Saturday/Sunday morning tous les samedis/dimanches matin;∎ from morning till night du matin jusqu'au soir;∎ there's a flight in the morning (before noon) il y a un vol le matin; (sometime during) il y a un vol dans la matinée; (tomorrow) il y a un vol demain matin;∎ he's leaving in the morning il s'en va dans la matinée;∎ it's open in the morning or mornings c'est ouvert le matin;∎ see you in the morning! à demain matin!;∎ in the early/late morning en début/fin de matinée;∎ I'll be back on Monday morning je serai de retour lundi matin;∎ the cleaning lady comes on Monday mornings la femme de ménage vient le lundi matin;∎ on the morning of the twelfth le matin du douze, le douze au matin;∎ do you work mornings? est-ce que vous travaillez le matin?;∎ I'm on mornings this week je travaille le matin cette semaine;∎ could I have the morning off? puis-je avoir la matinée de libre?;∎ this morning ce matin;∎ that morning ce matin-là;∎ the previous morning, the morning before la veille au matin;∎ the next morning, the morning after le lendemain matin;∎ familiar the morning after the night before un lendemain de cuite;∎ the morning rush hour les heures fpl de pointe du matin;∎ cancel the Monday morning meeting annulez le rendez-vous de lundi matin;∎ we have morning coffee around eleven nous faisons une pause-café vers onze heures du matin∎ in the morning of one's life à l'aube de sa vie(dew, sun, bath) matinal, du matin; (newspaper, broadcast) du matinesp American le matin►► morning coat queue-de-pie f;(a) (UNCOUNT) British (suit) = habit porté lors des occasions importantes et comportant queue-de-pie, pantalon gris et haut-de-forme grisBotany morning glory ipomée f, volubilis m;Religion Morning Prayer office m du matin (Église anglicane);morning room petit salon m;morning sickness nausées fpl matinales ou du matin;Press the Morning Star = ancien quotidien britannique d'obédience communiste;morning star étoile f du matin -
48 Forrester, Jay Wright
SUBJECT AREA: Electronics and information technology[br]b. 14 July 1918 Anselmo, Nebraska, USA[br]American electrical engineer and management expert who invented the magnetic-core random access memory used in most early digital computers.[br]Born on a cattle ranch, Forrester obtained a BSc in electrical engineering at the University of Nebraska in 1939 and his MSc at the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts, where he remained to teach and carry out research. Becoming interested in computing, he established the Digital Computer Laboratory at MIT in 1945 and became involved in the construction of Whirlwind I, an early general-purpose computer completed in March 1951 and used for flight-simulation by the US Army Air Force. Finding the linear memories then available for storing data a major limiting factor in the speed at which computers were able to operate, he developed a three-dimensional store based on the binary switching of the state of small magnetic cores that could be addressed and switched by a matrix of wires carrying pulses of current. The machine used parallel synchronous fixed-point computing, with fifteen binary digits and a plus sign, i.e. 16 bits in all, and contained 5,000 vacuum tubes, eleven semiconductors and a 2 MHz clock for the arithmetic logic unit. It occupied a two-storey building and consumed 150kW of electricity. From his experience with the development and use of computers, he came to realize their great potential for the simulation and modelling of real situations and hence for the solution of a variety of management problems, using data communications and the technique now known as interactive graphics. His later career was therefore in this field, first at the MIT Lincoln Laboratory in Lexington, Massachusetts (1951) and subsequently (from 1956) as Professor at the Sloan School of Management at the Massachusetts Institute of Technology.[br]Principal Honours and DistinctionsNational Academy of Engineering 1967. George Washington University Inventor of the Year 1968. Danish Academy of Science Valdemar Poulsen Gold Medal 1969. Systems, Man and Cybernetics Society Award for Outstanding Accomplishments 1972. Computer Society Pioneer Award 1972. Institution of Electrical Engineers Medal of Honour 1972. National Inventors Hall of Fame 1979. Magnetics Society Information Storage Award 1988. Honorary DEng Nebraska 1954, Newark College of Engineering 1971, Notre Dame University 1974. Honorary DSc Boston 1969, Union College 1973. Honorary DPolSci Mannheim University, Germany. Honorary DHumLett, State University of New York 1988.Bibliography1951, "Data storage in three dimensions using magnetic cores", Journal of Applied Physics 20: 44 (his first description of the core store).Publications on management include: 1961, Industrial Dynamics, Cambridge, Mass.: MIT Press; 1968, Principles of Systems, 1971, Urban Dynamics, 1980, with A.A.Legasto \& J.M.Lyneis, System Dynamics, North Holland. 1975, Collected Papers, Cambridge, Mass.: MIT.Further ReadingK.C.Redmond \& T.M.Smith, Project Whirlwind, the History of a Pioneer Computer (provides details of the Whirlwind computer).H.H.Goldstine, 1993, The Computer from Pascal to von Neumann, Princeton University Press (for more general background to the development of computers).Serrell et al., 1962, "Evolution of computing machines", Proceedings of the Institute ofRadio Engineers 1,047.M.R.Williams, 1975, History of Computing Technology, London: Prentice-Hall.See also: Burks, Arthur Walter; Goldstine, Herman H.; Wilkes, Maurice Vincent; Williams, Sir Frederic CallandKF -
49 Henry, Joseph
[br]b. 17 December 1797 Albany, New York, USAd. 13 May 1878 Washington, DC, USA[br]American scientist after whom the unit of inductance is named.[br]Sent to stay with relatives at the age of 6 because of the illness of his father, when the latter died in 1811 Henry was apprenticed to a silversmith and then turned to the stage. Whilst he was ill himself, a book on science fired his interest and he began studying at Albany Academy, working as a tutor to finance his studies. Initially intending to pursue medicine, he then spent some time as a surveyor before becoming Professor of Mathematics and Natural Philosophy at Albany Academy in 1826. There he became interested in the improvement of electromagnets and discovered that the use of an increased number of turns of wire round the core greatly increased their power; by 1831 he was able to supply to Yale a magnet capable of lifting almost a ton weight. During this time he also discovered the principles of magnetic induction and self-inductance. In the same year he made, but did not patent, a cable telegraph system capable of working over a distance of 1 mile (1.6 km). It was at this time, too, that he found that adiabatic expansion of gases led to their sudden cooling, thus paving the way for the development of refrigerators. For this he was recommended for, but never received, the Copley Medal of the Royal Society. Five years later he became Professor of Natural Philosophy at New Jersey College (later Princeton University), where he deduced the laws governing the operation of transformers and observed that changes in magnetic flux induced electric currents in conductors. Later he also observed that spark discharges caused electrical effects at a distance. He therefore came close to the discovery of radio waves. In 1836 he was granted a year's leave of absence and travelled to Europe, where he was able to meet Michael Faraday. It was with his help that in 1844 Samuel Morse set up the first patented electric telegraph, but, sadly, the latter seems to have reaped all the credit and financial rewards. In 1846 he became the first secretary of the Washington Smithsonian Institute and did much to develop government support for scientific research. As a result of his efforts some 500 telegraph stations across the country were equipped with meteorological equipment to supply weather information by telegraph to a central location, a facility that eventually became the US National Weather Bureau. From 1852 he was a member of the Lighthouse Board, contributing to improvements in lighting and sound warning systems and becoming its chairman in 1871. During the Civil War he was a technical advisor to President Lincoln. He was a founder of the National Academy of Science and served as its President for eleven years.[br]Principal Honours and DistinctionsPresident, American Association for the Advancement of Science 1849. President, National Academy of Science 1893–1904. In 1893, to honour his work on induction, the International Congress of Electricians adopted the henry as the unit of inductance.Bibliography1824. "On the chemical and mechanical effects of steam". 1825. "The production of cold by the rarefaction of air".1832, "On the production of currents \& sparks of electricity \& magnetism", AmericanJournal of Science 22:403."Theory of the so-called imponderables", Proceedings of the American Association for the Advancement of Science 6:84.Further ReadingSmithsonian Institution, 1886, Joseph Henry, Scientific Writings, Washington DC.KF -
50 Lister, Samuel Cunliffe, 1st Baron Masham
SUBJECT AREA: Textiles[br]b. 1 January 1815 Calverly Hall, Bradford, Englandd. 2 February 1906 Swinton Park, near Bradford, England[br]English inventor of successful wool-combing and waste-silk spinning machines.[br]Lister was descended from one of the old Yorkshire families, the Cunliffe Listers of Manningham, and was the fourth son of his father Ellis. After attending a school on Clapham Common, Lister would not go to university; his family hoped he would enter the Church, but instead he started work with the Liverpool merchants Sands, Turner \& Co., who frequently sent him to America. In 1837 his father built for him and his brother a worsted mill at Manningham, where Samuel invented a swivel shuttle and a machine for making fringes on shawls. It was here that he first became aware of the unhealthy occupation of combing wool by hand. Four years later, after seeing the machine that G.E. Donisthorpe was trying to work out, he turned his attention to mechanizing wool-combing. Lister took Donisthorpe into partnership after paying him £12,000 for his patent, and developed the Lister-Cartwright "square nip" comber. Until this time, combing machines were little different from Cartwright's original, but Lister was able to improve on this with continuous operation and by 1843 was combing the first fine botany wool that had ever been combed by machinery. In the following year he received an order for fifty machines to comb all qualities of wool. Further combing patents were taken out with Donisthorpe in 1849, 1850, 1851 and 1852, the last two being in Lister's name only. One of the important features of these patents was the provision of a gripping device or "nip" which held the wool fibres at one end while the rest of the tuft was being combed. Lister was soon running nine combing mills. In the 1850s Lister had become involved in disputes with others who held combing patents, such as his associate Isaac Holden and the Frenchman Josué Heilmann. Lister bought up the Heilmann machine patents and afterwards other types until he obtained a complete monopoly of combing machines before the patents expired. His invention stimulated demand for wool by cheapening the product and gave a vital boost to the Australian wool trade. By 1856 he was at the head of a wool-combing business such as had never been seen before, with mills at Manningham, Bradford, Halifax, Keighley and other places in the West Riding, as well as abroad.His inventive genius also extended to other fields. In 1848 he patented automatic compressed air brakes for railways, and in 1853 alone he took out twelve patents for various textile machines. He then tried to spin waste silk and made a second commercial career, turning what was called "chassum" and hitherto regarded as refuse into beautiful velvets, silks, plush and other fine materials. Waste silk consisted of cocoon remnants from the reeling process, damaged cocoons and fibres rejected from other processes. There was also wild silk obtained from uncultivated worms. This is what Lister saw in a London warehouse as a mass of knotty, dirty, impure stuff, full of bits of stick and dead mulberry leaves, which he bought for a halfpenny a pound. He spent ten years trying to solve the problems, but after a loss of £250,000 and desertion by his partner his machine caught on in 1865 and brought Lister another fortune. Having failed to comb this waste silk, Lister turned his attention to the idea of "dressing" it and separating the qualities automatically. He patented a machine in 1877 that gave a graduated combing. To weave his new silk, he imported from Spain to Bradford, together with its inventor Jose Reixach, a velvet loom that was still giving trouble. It wove two fabrics face to face, but the problem lay in separating the layers so that the pile remained regular in length. Eventually Lister was inspired by watching a scissors grinder in the street to use small emery wheels to sharpen the cutters that divided the layers of fabric. Lister took out several patents for this loom in his own name in 1868 and 1869, while in 1871 he took out one jointly with Reixach. It is said that he spent £29,000 over an eleven-year period on this loom, but this was more than recouped from the sale of reasonably priced high-quality velvets and plushes once success was achieved. Manningham mills were greatly enlarged to accommodate this new manufacture.In later years Lister had an annual profit from his mills of £250,000, much of which was presented to Bradford city in gifts such as Lister Park, the original home of the Listers. He was connected with the Bradford Chamber of Commerce for many years and held the position of President of the Fair Trade League for some time. In 1887 he became High Sheriff of Yorkshire, and in 1891 he was made 1st Baron Masham. He was also Deputy Lieutenant in North and West Riding.[br]Principal Honours and DistinctionsCreated 1st Baron Masham 1891.Bibliography1849, with G.E.Donisthorpe, British patent no. 12,712. 1850, with G.E. Donisthorpe, British patent no. 13,009. 1851, British patent no. 13,532.1852, British patent no. 14,135.1877, British patent no. 3,600 (combing machine). 1868, British patent no. 470.1868, British patent no. 2,386.1868, British patent no. 2,429.1868, British patent no. 3,669.1868, British patent no. 1,549.1871, with J.Reixach, British patent no. 1,117. 1905, Lord Masham's Inventions (autobiography).Further ReadingJ.Hogg (ed.), c. 1888, Fortunes Made in Business, London (biography).W.English, 1969, The Textile Industry, London; and C.Singer (ed.), 1958, A History of Technology, Vol. IV, Oxford: Clarendon Press (both cover the technical details of Lister's invention).RLHBiographical history of technology > Lister, Samuel Cunliffe, 1st Baron Masham
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51 Roebling, John Augustus
SUBJECT AREA: Civil engineering[br]b. 12 July 1806 Muhlhausen, Prussiad. 22 July 1869 Brooklyn, New York, USA[br]German/American bridge engineer and builder.[br]The son of Polycarp Roebling, a tobacconist, he studied mathematics at Dr Unger's Pedagogium in Erfurt and went on to the Royal Polytechnic Institute in Berlin, from which he graduated in 1826 with honours in civil engineering. He spent the next three years working for the Prussian government on the construction of roads and bridges. With his brother and a group of friends, he emigrated to the United States, sailing from Bremen on 23 May 1831 and docking in Philadelphia eleven weeks later. They bought 7,000 acres (2,800 hectares) in Butler County, western Pennsylvania, and established a village, at first called Germania but later known as Saxonburg. Roebling gave up trying to establish himself as a farmer and found work for the state of Pennsylvania as Assistant Engineer on the Beaver River canal and others, then surveying a railroad route across the Allegheny Mountains. During his canal work, he noted the failings of the hemp ropes that were in use at that time, and recalled having read of wire ropes in a German journal; he built a rope-walk at his Saxonburg farm, bought a supply of iron wire and trained local labour in the method of wire twisting.At this time, many canals crossed rivers by means of aqueducts. In 1844, the Pennsylvania Canal aqueduct across the Allegheny River was due to be renewed, having become unsafe. Roebling made proposals which were accepted by the canal company: seven wooden spans of 162 ft (49 m) each were supported on either side by a 7 in. (18 cm) diameter cable, Roebling himself having to devise all the machinery required for the erection. He subsequently built four more suspension aqueducts, one of which was converted to a toll bridge and was still in use a century later.In 1849 he moved to Trenton, New Jersey, where he set up a new wire rope plant. In 1851 he started the construction (completed in 1855) of an 821 ft (250 m) long suspension railroad bridge across the Niagara River, 245 ft (75 m) above the rapids; each cable consisted of 3,640 wrought iron wires. A lower deck carried road traffic. He also constructed a bridge across the Ohio River between Cincinnati and Covington, a task which was much protracted due to the Civil War; this bridge was finally completed in 1866.Roebling's crowning achievement was to have been the design and construction of the bridge over the Hudson River between Brooklyn and Staten Island, New York, but he did not live to see its completion. It had a span of 1,595 ft (486 m), designed to bear a load of 18,700 tons (19,000 tonnes) with a headroom of 135 ft (41 m). The work of building had barely started when, at the Brooklyn wharf, a boat crushed Roebling's foot against the timbering and he died of tetanus three weeks later. His son, Washington Augustus Roebling, then took charge of this great work.[br]Further ReadingD.B.Steinman and S.R.Watson, 1941, Bridges and their Builders, New York: Dover Books.D.McCullough, 1982, The Great Bridge: The Epic Story of the Building of the Brooklyn Bridge, New York: Simon \& Schuster.IMcNBiographical history of technology > Roebling, John Augustus
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52 Singer, Isaac Merritt
[br]b. 27 October 1811 Pittstown, New York, USAd. 23 July 1875 Torquay, Devonshire, England[br]American inventor of a sewing machine, and pioneer of mass production.[br]The son of a millwright, Singer was employed as an unskilled labourer at the age of 12, but later gained wide experience as a travelling machinist. He also found employment as an actor. On 16 May 1839, while living at Lockport, Illinois, he obtained his first patent for a rock-drilling machine, but he soon squandered the money he made. Then in 1849, while at Pittsburgh, he secured a patent for a wood-and metal-carving machine that he had begun five years previously; however, a boiler explosion in the factory destroyed his machine and left him penniless.Near the end of 1850 Singer was engaged to redesign the Lerow \& Blodgett sewing machine at the Boston shop of Orson C.Phelps, where the machine was being repaired. He built an improved version in eleven days that was sufficiently different for him to patent on 12 August 1851. He formed a partnership with Phelps and G.B. Zieber and they began to market the invention. Singer soon purchased Phelps's interest, although Phelps continued to manufacture the machines. Then Edward Clark acquired a one-third interest and with Singer bought out Zieber. These two, with dark's flair for promotion and marketing, began to create a company which eventually would become the largest manufacturer of sewing machines exported worldwide, with subsidiary factories in England.However, first Singer had to defend his patent, which was challenged by an earlier Boston inventor, Elias Howe. Although after a long lawsuit Singer had to pay royalties, it was the Singer machine which eventually captured the market because it could do continuous stitching. In 1856 the Great Sewing Machine Combination, the first important pooling arrangement in American history, was formed to share the various patents so that machines could be built without infringements and manufacture could be expanded without fear of litigation. Singer contributed his monopoly on the needle-bar cam with his 1851 patent. He secured twenty additional patents, so that his original straight-needle vertical design for lock-stitching eventually included such refinements as a continuous wheel-feed, yielding presser-foot, and improved cam for moving the needle-bar. A new model, introduced in 1856, was the first to be intended solely for use in the home.Initially Phelps made all the machines for Singer. Then a works was established in New York where the parts were assembled by skilled workers through filing and fitting. Each machine was therefore a "one-off" but Singer machines were always advertised as the best on the market and sold at correspondingly high prices. Gradually, more specialized machine tools were acquired, but it was not until long after Singer had retired to Europe in 1863 that Clark made the change to mass production. Sales of machines numbered 810 in 1853 and 21,000 ten years later.[br]Bibliography12 August 1851, US patent no. 8,294 (sewing machine)Further ReadingBiographies and obituaries have appeared in Appleton's Cyclopedia of America, Vol. V; Dictionary of American Biography, Vol XVII; New York Times 25 July 1875; Scientific American (1875) 33; and National Cyclopaedia of American Biography.D.A.Hounshell, 1984, From the American System to Mass Production 1800–1932. TheDevelopment of Manufacturing Technology in the United States, Baltimore (provides a thorough account of the development of the Singer sewing machine, the competition it faced from other manufacturers and production methods).RLH -
53 Treadgold, Arthur Newton Christian
SUBJECT AREA: Mining and extraction technology[br]b. August 1863 Woolsthorpe, Grantham, Lincolnshire, Englandd. 23 March 1951 London, England[br]English organizer of the Yukon gold fields in Canada, who introduced hydraulic mining.[br]A direct descendant of Sir Isaac Newton, Treadgold worked as a schoolmaster, mostly at Bath College, for eleven years after completing his studies at Oxford University. He gained a reputation as an energetic teacher who devoted much of his work to sport, but he resigned his post and returned to Oxford; here, in 1897, he learned of the gold rush in the Klondike in the Canadian northwest. With a view to making his own fortune, he took a course in geology at the London Geological College and in 1898 set off for Dawson City, in the Yukon Territory. Working as a correspondent for two English newspapers, he studied thoroughly the situation there; he decided to join the stampede, but as a rather sophisticated gold hustler.As there were limited water resources for sluicing or dredging, and underground mining methods were too expensive, Treadgold conceived the idea of hydraulic mining. He designed a ditch-and-siphon system for bringing large amounts of water down from the mountains; in 1901, after three years of negotiation with the Canadian government in Ottawa, he obtained permission to set up the Treadgold Concession to cover the water supply to the Klondike mining claims. This enabled him to supply giant water cannons which battered the hillsides, breaking up the gravel which was then sluiced. Massive protests by the individual miners in the Dawson City region, which he had overrun with his system, led to the concession being rescinded in 1904. Two years later, however, Treadgold began again, forming the Yukon Gold Company, initially in partnership with Solomon Guggenheim; he started work on a channel, completed in 1910, to carry water over a distance of 115 km (70 miles) down to Bonanza Creek. In 1919 he founded the Granville Mining Company, which was to give him control of all the gold-mining operations in the southern Klondike region. When he returned to London in the following year, the company began to fail, and in 1920 he went bankrupt with liabilities totalling more than $2 million. After the Yukon Consolidated Gold Corporation had been formed in 1923, Treadgold returned to the Klondike in 1925 in order to acquire the assets of the operating companies; he gained control and personally supervised the operations. But the company drifted towards disaster, and in 1930 he was dismissed from active management and his shares were cancelled by the courts; he fought for their reinstatement right up until his death.[br]Further ReadingL.Green, 1977, The Gold Hustlers, Anchorage, Alaska (describes this outstanding character and his unusual gold-prospecting career).WKBiographical history of technology > Treadgold, Arthur Newton Christian
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