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81 holding
1. n участок земли2. n юр. имущество,holding activity — учреждение, содержащее имущество
holding account — учет имущества, находящегося в трюме
3. n фин. вклад4. n фин. вклады; авуары5. n фин. запасcash holding — запасы наличности; наличные деньги
6. n фин. фонд7. n фин. склад, хранилищеbond holding — владение облигациями; хранилище облигаций
8. n фин. удерживание, задерживание9. n фин. владение10. n фин. хранение, выдерживание11. n фин. поставholding the post — занимающий пост; нахождение на посту
12. n фин. крепление, фиксация13. n фин. выдержка14. n фин. ав. выдерживание самолёта15. n фин. юр. решение16. a держащий; удерживающий; несущийholding device — арретир; стопор; зажимное приспособление
17. a держащий в своих рукахholding company — компания, владеющая контрольными пакетами акций других компаний; компания-держатель; холдинговая компания
holding on — держащий; удерживание
18. a цепкий, с крепкой хваткой19. a воен. сковывающий20. a спец. для временного хранения или выдерживания21. a для ожиданияholding area — выжидательный район; зона ожидания
holding position — место ожидания; предварительный старт
22. a сл. имеющий наркотикиСинонимический ряд:1. keeping (adj.) containing; grasping; gripping; having; hugging; keeping; maintaining; occupying; retaining2. land (noun) acreage; estate; farm lot; land; lands; possessions; property; security3. detaining (verb) detaining; hold up4. giving (verb) giving; staging5. having (verb) accommodating; boasting; commanding; containing; enjoying; having; owning; possessing; retaining6. holding (verb) arresting; catch up; catching up; enthralling; fascinating; gripping; holding; mesmerising; mesmerizing; riveting; spellbinding; transfixing7. keeping (verb) detaining; hold back; holding back; keep back; keeping; keeping back; keeping out; reserving; withholding8. pressing (verb) clasping; embracing; enfolding; hugging; pressing; squeezing9. stating (verb) affirming; asserting; asseverating; averring; avouching; avowing; declaring; stating10. supporting (verb) carrying; maintaining; supporting; upholding11. thinking (verb) believing; considering; crediting; deeming; feeling; judging; opining; sensing; thinking -
82 motor
1. n двигатель, моторbase-mounted motor — двигатель, устанавливаемый на основании
2. n электромотор, электродвигатель3. n авто4. n автотранспорт5. n моторкаthrust motor — реактивный двигатель, реактивный мотор
Motor Inn — Мотор Инн ( США, мотели, 2 звезды)
6. n анат. двигательный мускул7. n анат. двигательный нерв8. n анат. амер. бирж. жарг. акции автомобильных компаний9. a движущий; двигательный10. a моторный, автомобильныйmotor cycle — мотовелосипед, мопед
motor boat — моторная лодка; моторный катер; моторное судно
Motor Show — автомобильный салон, выставка автомобилей
11. a физиол. моторный, двигательный12. v ехать, ездить на автомобиле13. v везти на автомобилеСинонимический ряд:1. car (noun) auto; autocar; automobile; buggy; car; machine; motorcar2. mechanism (noun) computer; contrivance; device; dynamo; engine; gadget; implement; instrument; mechanism3. drive (verb) auto; charioteer; drive; pilot; ride; tool; wheel -
83 oblique sailing
плавание судна в любом направлении, не совпадающем со сторонами света -
84 pilot
1. n мор. лоцман2. n лётчик, пилот; штурман3. n разг. командир штурманской боевой части4. n проводник, вожак5. n поэт. кормчий6. n амер. сл. руководитель спортивной команды; менеджер7. n амер. сл. жокей8. n разг. пробное мероприятие; мероприятие, проводимое в виде опытаpilot census — пробная перепись; контрольная перепись
9. n разг. пробная, экспериментальная постановка10. n разг. пробный показ спектакля в провинции11. n разг. тех. вспомогательный, регулирующий, управляющий механизм; регулятор12. n разг. ж. -д. предохранительная решётка; скотосбрасыватель13. a опытный, пробный; экспериментальный14. a предварительный15. a натурный16. a регулирующий, направляющий17. a лоцманский; штурманскийpilot chart — лоцманская карта; лоция
18. v вести, пилотироватьto pilot a plane — пилотировать самолёт; управлять самолётом
19. v направлять; прокладывать путь20. v вести, быть проводником; направлятьСинонимический ряд:1. trial (adj.) experimental; tentative; test; trial2. aviator (noun) aerial navigator; aeronaut; airman; astronaut; aviator; birdman; co-pilot; driver; flier; fly-boy3. guide (noun) captain; chief; conductor; director; guide; head; mentor; scout; tour guide4. leader (noun) bellwether; dean; doyen; lead; leader5. steersman (noun) coxswain; helmsman; man at the wheel; navigator; steersman; wheelman6. drive (verb) auto; charioteer; drive; motor; tool; wheel7. guide (verb) conduct; direct; escort; fly; guide; lead; manage; manoeuvre; navigate; route; run; see; shepherd; show; steer; usherАнтонимический ряд:crew; established; follower -
85 service
1. n услужениеdomestic service — домашняя работа, обязанности слуги
to be in service — быть слугой, служить
2. n работаlength of service — стаж работы; срок службы
3. n рабочий стаж, срок службы4. n государственная служба5. n учреждение6. n службаrailway service, service of trains — железнодорожное сообщение
7. n обслуживание, сервис8. n сфера услуг; обслуживание населения; служба быта, сервисservice workers — работники, занятые в сфере обслуживания
9. n библиотечное обслуживание10. n военная службаactive service, service with the colours — действительная военная служба
11. n воен. вид вооружённых сил; род войскthe three services — the army, the navy, the aviation — три рода войск: сухопутные войска, военно-морской флот и военно-воздушные силы
12. n услуга, одолжение; помощь13. n заслугаdistinguished service order — орден "За боевые заслуги"
14. n сервиз15. n прибор16. n церк. богослужение, службаmemorial service — заупокойная служба, панихида
17. n юр. исполнение постановления суда; вручение; судебное извещениеservice of warrant — вручение судебного приказа, ордера
18. n с. -х. случка19. n мор. клетневание20. n тех. эксплуатация21. a военный; относящийся к вооружённым силамservice test — испытания в войсках, войсковые испытания
service troops — войска обслуживания; тыловые части и подразделения
22. a служебный23. a повседневный; прочный, ноский24. a обслуживающийservice trades — профессии, относящиеся к сфере обслуживания
25. v обслуживать26. v производить осмотр и текущий ремонт27. v заправлять28. n бот. рябина домашняяСинонимический ряд:1. action (noun) action; combat2. agency (noun) agency; bureau; commission; department3. aid (noun) aid; assistance; attendance; cooperation; help; ministration; usefulness; value4. armed forces (noun) armed forces; military5. army (noun) army; duty; stint6. benefit (noun) benefit; utility; wear7. effort (noun) effort; labor8. favor (noun) courtesy; dispensation; favor; favour; grace; indulgence; kindness9. rite (noun) ceremonial; ceremony; formality; liturgy; observance; rite; ritual; sermon; worship10. tableware (noun) china; set; setting; silver; tableware11. use (noun) account; advantage; applicability; application; appropriateness; avail; employment; fitness; relevance; serviceability; use; utilisation12. maintain (verb) maintain; preserve; repair; sustain -
86 transport
1. n транспорт, средства сообщения2. n перевозка, транспортировка; транспорт3. n машина, автомобиль4. n транспортное судно, транспорт5. n транспортный самолёт6. n косм. транспортный корабль7. n часто сильная эмоция; порыв8. n редк. ссыльный, каторжник9. n спец. перенос10. n спец. распространение11. n спец. нанос; отложение12. n вчт. протяжкаtape transport — протяжка ленты, лентопротяжка
transport unit — механизм транспортировки; блок протяжки
13. n вчт. механизм протяжки, лентопротяжный механизм14. a транспортный15. v перевозить, транспортировать; переносить, перемещать16. v обыкн. редк. ссылать на каторгу, высылать, отправлять в ссылку17. v вчт. протягивать18. v шотл. переводить; переноситьСинонимический ряд:1. ecstasy (noun) bliss; ecstasy; happiness; heaven; joy; rapture; rhapsody; seventh heaven2. transportation (noun) carriage; carrier; carrying; conveyance; conveyor; mover; transit; transportation; transporting; vehicle3. banish (verb) banish; cast out; deport; displace; exile; expatriate; expel; expulse; ostracise; ostracize; oust; relegate; run out4. carry (verb) bear; bring; buck; carry; convey; ferry; lug; move; pack; tote5. enrapture (verb) enrapture; enravish; entrance; ravish; trance6. thrill (verb) carry away; thrill -
87 work space
shared space — совместно используемая область; общая область
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88 ширина
ж. width, breadthширина колеи — авто wheel spacing; track gauge
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89 foul
A n Sport faute f (by de ; on sur) ; sent off for a foul éliminé pour faute ; cries of foul fig des cris de protestation.B adj1 ( putrid) [place, slum, conditions] répugnant ; [air, breath, smell] fétide ; [water, stream] putride ; [taste] infect ;2 ( grim) [weather, day, atmosphere] épouvantable ; to be in a foul humour ou mood être d'une humeur massacrante ○ ; to have a foul temper avoir un sale caractère ; it's a foul job! c'est une sale corvée! ; in fair weather or foul qu'il pleuve ou qu'il vente ;3 ( evil) [person, act, crime, deed, treachery, creature] odieux/-ieuse ; ‘murder most foul’ ‘horrible assassinat’ ;5 Sport ( unsporting) déloyal.D vtr2 ( become tangled) [weeds, nets, ropes] s'emmêler dans [engine, propeller] ; the propeller was fouled by nets des filets de pêche étaient emmêlés dans l'hélice ;E vi1 Sport commettre des fautes ;to fall ou run foul of sb ( fall out with) se brouiller avec qn ; ( lose favour) s'attirer le mécontentement de qn ; to fall foul of the law tomber sous le coup de la loi.■ foul out ( in baseball) être exclu (pour fautes personnelles).■ foul up ○ faire des erreurs or des bourdes ○ ;▶ foul up [sth], foul [sth] up1 ( bungle) ruiner [plan, opportunity] ; abîmer [system] ; he always manages to foul things up il trouve toujours le moyen de tout louper ○ ;2 ( pollute) polluer [air, soil]. -
90 ground
B n1 ( surface underfoot) sol m, terre f ; to put/throw sth on the ground poser/jeter qch par terre ; to sit/lie (down) on the ground s'asseoir/s'allonger par terre ; to fall to the ground tomber (par terre) ; to pick sth up off the ground ramasser qch (par terre) ; get up off the ground lève-toi ; to get off the ground [plane] décoller ; fig [idea] prendre fig ; to get sth off the ground faire démarrer [plan, undertaking, campaign] ; to burn to the ground brûler complètement ; above (the) ground en surface ; below (the) ground sous terre ; to prepare the ground lit préparer la terre or le sol ; fig ouvrir la voie (for à) ; to clear the ground lit, fig déblayer le terrain ; on the ground lit, fig sur le terrain ;2 (area, territory) lit, fig terrain m ; a piece of ground un terrain ; built on high/rocky ground construit sur un terrain surélevé/accidenté ; holy/neutral ground terrain consacré/neutre ; to cover a lot of ground lit faire beaucoup de chemin ; fig avancer beaucoup ; to cover the same ground [teachers, speakers] traiter le même sujet ; [articles, lectures] traiter du même sujet ; to go over the same ground se répéter ; to break fresh ou new ground innover (by ou in doing en faisant) ; to break new political/legal ground innover dans le domaine politique/légal ; it breaks no new ground cela n'apporte rien de nouveau ; on neutral ground en terrain neutre ; on my/her own ground sur mon/son propre terrain ; to be on sure ou firm ground être sûr de ce qu'on avance ; to be on shaky ground être dans une position délicate ; to be sure of one's ground être sûr de son fait or de ce qu'on avance ; (to be) on dangerous ground ( in discussion) (être) sur un terrain miné ; ( in dealings) (être) dans une position délicate ; on safe ground sur un terrain familier ; the ground is shifting le climat est en train de changer fig ; familiar/new ground domaine m familier/nouveau ;5 fig (in contest, discussion) to gain ground gagner du terrain (on, over sur) ; to lose ground perdre du terrain (to au profit de) ; to give ou yield ground céder du terrain (to devant ; on, over au niveau de) ; to make up ou regain lost ground regagner du terrain perdu ; to hold ou stand (one's) ground tenir bon ; to change ou shift one's ground fig changer son fusil d'épaule (on au sujet de) ;7 Art fond m ;8 Naut to touch ground racler le fond ;2 ( reasons) on ethical grounds pour des raisons d'éthique ; on compassionate grounds pour raisons personnelles ; grounds for motifs de [divorce, appeal, extradition, arrest, opposition, criticism, hope] ; to have grounds for complaint/for suspicion avoir des motifs de se plaindre/de douter ; to give sb grounds for anxiety être un motif or une source d'angoisse pour qn ; grounds for doing motifs pour faire ; there are reasonable grounds/there are no grounds for supposing that il y a des motifs suffisants/il n'y a aucun motif pour supposer que ; to give sb good grounds for doing donner à qn de bonnes raisons de faire ; to have grounds to do avoir des raisons de faire ; on (the) grounds of en raison de [cost, public interest] ; pour raison de [adultery, negligence, insufficient evidence] ; on (the) grounds of ill-health pour raisons de santé ; to lodge an appeal on the grounds of insanity faire appel en arguant la folie ; on the grounds that en raison du fait que.E vtr3 ( base) to ground sth on ou in fonder qch sur ; to be grounded on être fondé sur [principle, fact, experience] ; to be grounded in être fondé sur [right, truth, understanding] ; well-grounded suspicions des soupçons fondés ; a well-grounded theory une théorie bien fondée ;4 ○ ( punish) priver [qn] de sortie [teenager] ;5 US Elec mettre [qch] à la terre ;to be thick/thin on the ground être/ne pas être légion inv ; to go to ground se terrer ; to run sb/sth to ground dénicher ○ qn/qch ; to run ou drive oneself into the ground s'user or se crever ○ au travail ; to run sth into the ground laisser péricliter [business] ; to run a car into the ground garder une voiture jusqu'à ce qu'elle soit bonne pour la casse ; that suits me down to the ground ça me va parfaitement. -
91 strike
A n2 gen, Mil ( attack) attaque f (on, against contre) ; air/pre-emptive strike attaque aérienne/préventive ;3 Mining ( discovery) découverte f (d'un gisement) ; to make a strike trouver or découvrir un gisement ; diamond strike découverte d'un gisement de diamants ; lucky strike fig coup m de chance ;4 ( clock mechanism) sonnerie f ;6 Fishg touche f.1 ( hit) [person, stick, bat] frapper [person, object, ball] ; [torpedo, missile] frapper, toucher [target, vessel] ; [ship, car, person] heurter [rock, tree, pedestrian] ; to strike sb on the head/in the face [person] frapper qn à la tête/au visage ; [object] heurter qn à la tête/au visage ; to strike sth with taper qch avec [stick, hammer] ; she struck the table with her fist ( deliberately) elle a frappé du poing sur la table ; he struck his head on the table il s'est cogné la tête contre la table ; his head struck the table sa tête a heurté la table ; lightning struck the house/struck him la foudre est tombée sur la maison/l'a frappé ; to be struck by lightning [tree, house, person] être touché par la foudre ; to strike sb to the ground ( with fist) faire tomber qn d'un coup de poing ; ( with stick) faire tomber qn d'un coup de bâton ; to strike sb a blow lit, fig porter un coup à qn ; to strike the first blow lit, fig porter le premier coup ; to strike sb dead [lightning, God] foudroyer qn ; [person] porter un coup mortel à qn ; to be struck blind/dumb litér être frappé de cécité/de mutisme ; to be struck dumb with amazement être frappé d'étonnement ;2 ( afflict) [quake, famine, disease, storm, disaster] frapper [area, people] ; ‘earthquake strikes San Francisco’ journ ‘San Francisco secoué par un tremblement de terre’ ; the pain strikes when I bend down je ressens cette douleur lorsque je me baisse ; to strike terror into sb ou sb's heart frapper qn de terreur ;3 ( make impression on) [idea, thought] venir à l'esprit de [person] ; [resemblance] frapper [person] ; to be struck by être frappé par ; an awful thought struck me une horrible pensée m'est venue à l'esprit ; a terrible sight struck my eyes un horrible spectacle s'est présenté à mes yeux ; it strikes me as funny/stupid that je trouve drôle/bête que (+ subj) ; it strikes me as mean of them to do je trouve que c'est méchant de leur part de faire ; to strike sb as odd/absurd paraître or sembler étrange/absurde à qn ; he strikes me as an intelligent man il me paraît intelligent ; it strikes me as a good idea to do cela me paraît or me semble une bonne idée de faire ; did anything strike you as odd? as-tu remarqué quelque chose de bizarre? ; how does the idea strike you? qu'est-ce que vous pensez de cette idée? ; how did he strike you? quelle impression vous a-t-il faite? ; it strikes me (that) à mon avis ; it struck him that here was the opportunity il s'est dit soudain que c'était l'occasion ; I was struck ○ with him/it il/ça m'a plu ; she wasn't very struck ○ with it ça ne lui a pas beaucoup plu ; to be struck on ○ GB être entiché ○ de ;4 (discover, come upon) découvrir, tomber sur ○ [oil, gold] ; trouver, tomber sur ○ [road] ; rencontrer, tomber sur ○ [rock, concrete, obstacle] ; to strike a rich vein of humour trouver une riche source d'humour ;5 ( achieve) conclure [accord, bargain] ; to strike a balance trouver le juste milieu (between entre) ;6 ( ignite) frotter [match] ; to strike a spark from a flint produire une étincelle en frottant un silex ;7 [clock] sonner [time] ; the clock struck six la pendule a sonné six heures ; it had just struck two deux heures venaient de sonner ;8 ( delete) supprimer, rayer [word, sentence, comment] ; to order sth to be struck from the record ordonner que qch soit supprimé or rayé du procès-verbal ;9 ( dismantle) démonter [tent, scaffolding] ; to strike camp lever le camp ; to strike one's colours Mil abaisser les couleurs ; to strike the set Theat démonter le décor ;1 ( deliver blow) [person] frapper ; ( collide) [bomb, shell] tomber ; to strike short of the target tomber à côté de la cible ; my head struck against a beam ma tête a heurté une poutre, je me suis cogné la tête contre une poutre ; to strike at attaquer ;2 ( attack) [killer, rapist, disease, storm] frapper ; [army, animal, snake] attaquer ; the terrorists have struck again les terroristes ont encore frappé ; disaster struck la catastrophe s'est produite ; ‘when pain strikes, take Calmaways’ ‘en cas de douleur, prenez des Calmaways’ ; to strike at attaquer [target] ; this strikes at the heart of the democratic system cela frappe au cœur du système démocratique ; to strike at the root of the problem s'attaquer à la racine du problème ; Henry strikes again ○ ! hum Henry nous en a fait encore une ○ ;3 Ind, Comm faire (la) grève ; to strike for/against faire (la) grève pour obtenir/pour protester contre ;4 [match] s'allumer ;5 [clock, time] sonner ; six o'clock struck six heures ont sonné ;6 ( proceed) to strike north/inland prendre au nord/vers l'intérieur des terres ; to strike across prendre à travers [field, country] ;7 Hort [cutting, plant] prendre (racine) ;8 Fishg [fish] mordre.to have two strikes against one US être désavantagé.■ strike back ( retaliate) riposter (at à).■ strike down:▶ strike [sb] down, strike down [sb] [person] faire tomber, terrasser ; to be struck down by ( affected) être frappé par [illness] ; ( incapacitated) être terrassé par [illness] ; être abattu de [bullet].■ strike off:▶ strike off ( go off) prendre (across à travers ; towards vers) ;▶ strike [sth] off, strike off [sth]1 ( delete) rayer [item on list, name] ;2 Print tirer [copy] ;▶ strike [sb/sth] off rayer [qn/qch] de [list] ; to be struck off the roll [doctor] être radié de l'ordre des médecins ; [barrister] être rayé du barreau.■ strike out:1 ( hit out) frapper ; he struck out blindly il a frappé à l'aveuglette ; to strike out at lit attaquer [adversary] ; fig s'en prendre à [critics, rival] ;2 ( proceed) to strike out towards s'élancer vers ; fig to strike out in new directions adopter de nouvelles orientations ; to strike out on one's own gen voler de ses propres ailes ; ( in business) s'établir à son compte ;3 US ( in baseball) être éliminé ;4 ○ US ( fail) ne pas parvenir à ses fins ;■ strike up:▶ strike up [band, orchestra] commencer à jouer ; [singer, choir] commencer à chanter ; the band struck up with a waltz l'orchestre a attaqué une valse ;▶ strike up [sth] ( start) [band, orchestra] attaquer [tune, piece] ; [singer, choir] entamer [song, tune] ; to strike up an acquaintance with faire connaissance avec ; to strike up a conversation with engager la conversation avec ; to strike up a friendship with se lier d'amitié avec ; they struck up a friendship ils sont devenus amis ; to strike up a relationship with établir des rapports avec. -
92 sunken
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93 surface
A n1 lit (of water, land, object) surface f ; on ou at the surface ( of liquid) à la surface ; on the surface ( of solid) sur la surface ; to work at the surface Mining travailler en surface or au jour ;2 fig apparence f ; to skim the surface of effleurer [problem, issue] ; on the surface it was a simple problem en apparence le problème était simple ; beneath the surface he's very shy au fond il est très timide ; violence is never far below the surface la violence est toujours latente ; to come ou rise to the surface [tensions, feelings, emotions] se manifester ;4 ( worktop) plan m de travail.B modif1 lit [vessel, fleet, transport] de surface ; [work, worker] en surface, au jour ; [wound] superficiel/-ielle ; surface measurements superficie f ;2 fig [problem, resemblance] superficiel/-ielle ;3 Ling [structure, grammar, analysis] de surface.D vi2 fig ( come to surface) [tension, anxiety, racism] se manifester ; [problem, evidence, scandal] apparaître ;3 ( reappear) [person] ( after absence) refaire surface ○, réapparaître ; ( from bed) se lever ; [object] réapparaître. -
94 al-Jazari, Ibn al-Razzaz
SUBJECT AREA: Horology[br]fl. c.1200 Arabia[br]Arab mechanician who constructed a series of ingenious water clocks with automata.[br]Al-Jazari entered the service of the Artuqid Kings of Diyar Bakir c.1180. In 1206 the then King, Nasir al-Din, instructed him to write a book describing the things he had constructed, among which were six water clocks. The timekeeping mechanism of these clocks was not innovative and was derived from earlier Hellenistic examples. Unlike Chinese and Hellenistic water clocks, al-Jazari's clocks had no astronomical indications and were intended to display the time, in temporal or unequal hours, both audibly and visually in an arresting and entertaining manner. The timekeeping was controlled by the flow of water from a vessel which contained a float to operate the clock mechanism. An ingenious device was used to ensure that the flow of water was constant during the day and could be set to a different constant flow during the night, to allow for the variation in the length of the temporal hours. Al-Jazari's clocks have not survived, but models have been constructed from the description and illustrations in the manuscripts.[br]Bibliography1206, The Book of Knowledge of Ingenious Mechanical Devices (an annotated translation by D.R.Hill was published in Dordrecht in 1974).Further ReadingD.R.Hill, 1979, The Country Life International Dictionary of Clocks, ed. Alan Smith, London, pp. 130, 135 (a very brief but more accessible account).——1981, Arabic Water-Clocks, Aleppo.DVBiographical history of technology > al-Jazari, Ibn al-Razzaz
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95 Bessemer, Sir Henry
SUBJECT AREA: Metallurgy[br]b. 19 January 1813 Charlton (near Hitchin), Hertfordshire, Englandd. 15 January 1898 Denmark Hill, London, England[br]English inventor of the Bessemer steelmaking process.[br]The most valuable part of Bessemer's education took place in the workshop of his inventor father. At the age of only 17 he went to London to seek his fortune and set himself up in the trade of casting art works in white metal. He went on to the embossing of metals and other materials and this led to his first major invention, whereby a date was incorporated in the die for embossing seals, thus preventing the wholesale forgeries that had previously been committed. For this, a grateful Government promised Bessemer a paid position, a promise that was never kept; recognition came only in 1879 with a belated knighthood. Bessemer turned to other inventions, mainly in metalworking, including a process for making bronze powder and gold paint. After he had overcome technical problems, the process became highly profitable, earning him a considerable income during the forty years it was in use.The Crimean War presented inventors such as Bessemer with a challenge when weaknesses in the iron used to make the cannon became apparent. In 1856, at his Baxter House premises in St Paneras, London, he tried fusing cast iron with steel. Noticing the effect of an air current on the molten mixture, he constructed a reaction vessel or converter in which air was blown through molten cast iron. There was a vigorous reaction which nearly burned the house down, and Bessemer found the iron to be almost completely decarburized, without the slag threads always present in wrought iron. Bessemer had in fact invented not only a new process but a new material, mild steel. His paper "On the manufacture of malleable iron and steel without fuel" at the British Association meeting in Cheltenham later that year created a stir. Bessemer was courted by ironmasters to license the process. However, success was short-lived, for they found that phosphorus in the original iron ore passed into the metal and rendered it useless. By chance, Bessemer had used in his trials pig-iron, derived from haematite, a phosphorus-free ore. Bessemer tried hard to overcome the problem, but lacking chemical knowledge he resigned himself to limiting his process to this kind of pig-iron. This limitation was removed in 1879 by Sidney Gilchrist Thomas, who substituted a chemically basic lining in the converter in place of the acid lining used by Bessemer. This reacted with the phosphorus to form a substance that could be tapped off with the slag, leaving the steel free from this harmful element. Even so, the new material had begun to be applied in engineering, especially for railways. The open-hearth process developed by Siemens and the Martin brothers complemented rather than competed with Bessemer steel. The widespread use of the two processes had a revolutionary effect on mechanical and structural engineering and earned Bessemer around £1 million in royalties before the patents expired.[br]Principal Honours and DistinctionsKnighted 1879. FRS 1879. Royal Society of Arts Albert Gold Medal 1872.Bibliography1905, Sir Henry Bessemer FRS: An Autobiography, London.LRD -
96 Carrel, Alexis
SUBJECT AREA: Medical technology[br]b. 28 June 1873 Lyon, Franced. 5 November 1944 Paris, France[br]French surgeon and experimental biologist, pioneer of blood-vessel repair techniques and "in vitro" tissue culture.[br]He entered the university of Lyon as a medical student in 1890, but although attached to the Chasseurs Alpins as a surgeon, and to the department of anatomy, he did not qualify as a doctor until 1900. Soon after, he developed an interest in the repair of blood vessels and reported his first successes in 1902.In consequence of local political difficulties he left for Paris, and after a further year, in 1904, he became Assistant in Physiology at the University of Chicago. His further development of vascular surgical advances led to organ transplants in animals. By 1908 he had moved to in vitro cultivation of heart tissue from a chick embryo (a culture of which, in the care of an assistant, outlived him).He returned to service in the French Army in 1914 and was associated with Dakin in developing the irrigation treatment of infected wounds. In 1930 he initiated a programme aimed at the cultivation of whole organs, and with the assistance of a pump developed by Charles Lindbergh he succeeded in maintaining thyroid gland and kidney tissue for some weeks. Something of a mystic, Carrel returned to France in 1939 to head his Institute for the Study of Human Problems.[br]Principal Honours and DistinctionsNobel Prize for Medicine or Physiology 1912.Bibliography1911, "The surgery of blood vessels", Johns Hopkins Bulletin.1911, "Rejuvenation of cultures of tissues", Journal of the American Medical Association.1938, The Culture of Organs, New York. 1938, Man the Unknown, New York.Further ReadingR.Soupault, 1952, Alexis Carrel. 1873–1944, Paris (contains full bibliography of papers).MG -
97 Ctesibius (Ktesibios) of Alexandria
[br]fl. c.270 BC Alexandria[br]Alexandrian mechanician and inventor.[br]Ctesibius made a number of inventions of great importance, which he described in his book Pneumatics, now lost. The Roman engineer and architect Vitruvius quoted extracts from Ctesibius' work in his De Architectura and tells us that Ctesibius was the son of a barber and that he arranged an adjustable mirror controlled by a lead counterweight descending in a cylinder. He noticed that the weight compressed the air, which could be released with a loud noise. That led him to realize that the air was a body or substance: by means of a cylinder and plunger, he went on to invent an air pump with valves. This he connected to the keyboard and rows of pipes of an organ. He also invented a force pump for water.Ctesibius also improved the clepsydra or water clock, which measured time by the fall of water level in a vessel as the water escaped through a hole in the bottom. The rate of flow varied as the level dropped, so Ctesibius interposed a cistern with an overflow pipe, enabling the water level to be maintained; there was thus a constant flow into a cylinder and the passage of time was indicated by a float with a pointer. He fitted a rack to the float which turned a toothed wheel, to activate bells, singing birds or other "toys". This is probably the first known use of toothed gearing.Ctesibius is credited with some other inventions of a military nature, such as a catapult, but it was his pumps that established a tradition in antiquity for mechanical invention using the pressure of the air and other fluids, stretching through Philo of Byzantium (c.150 BC) and Hero of Alexandria (c.62 AD) and on through Islam into medieval Western Europe.[br]Further ReadingA.G.Drachmann, 1948, Ktesibios, Philon and Heron: A Study in Ancient Pneumatics, Copenhagen: Munksgaard (Acta Hist. Sci. Nat. Med. 4).LRDBiographical history of technology > Ctesibius (Ktesibios) of Alexandria
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98 Ericsson, John
[br]b. 31 July 1803 Farnebo, Swedend. 8 March 1899 New York, USA[br]Swedish (naturalized American 1848) engineer and inventor.[br]The son of a mine owner and inspector, Ericsson's first education was private and haphazard. War with Russia disrupted the mines and the father secured a position on the Gotha Canal, then under construction. He enrolled John, then aged 13, and another son as cadets in a corps of military engineers engaged on the canal. There John was given a sound education and training in the physical sciences and engineering. At the age of 17 he decided to enlist in the Army, and on receiving a commission he was drafted to cartographic survey duties. After some years he decided that a career outside the Army offered him the best opportunities, and in 1826 he moved to London to pursue a career of mechanical invention.Ericsson first developed a heat (external combustion) engine, which proved unsuccessful. Three years later he designed and constructed the steam locomotive Novelty, which he entered in the Rainhill locomotive trials on the new Liverpool \& Manchester Railway. The engine began by performing promisingly, but it later broke down and failed to complete the test runs. Later he devised a self-regulating lead (1835) and then, more important and successful, he invented the screw propeller, patented in 1835 and installed in his first screw-propelled ship of 1839. This work was carried out independently of Sir Francis Pettit Smith, who contemporaneously developed a four-bladed propeller that was adopted by the British Admiralty. Ericsson saw that with screw propulsion the engine could be below the waterline, a distinct advantage in warships. He crossed the Atlantic to interest the American government in his ideas and became a naturalized citizen in 1848. He pioneered the gun turret for mounting heavy guns on board ship. Ericsson came into his own during the American Civil War, with the construction of the epoch-making warship Monitor, a screw-propelled ironclad with gun turret. This vessel demonstrated its powers in a signal victory at Hampton Roads on 9 March 1862.Ericsson continued to design warships and torpedoes, pointing out to President Lincoln that success in war would now depend on technological rather than numerical superiority. Meanwhile he continued to pursue his interest in heat engines, and from 1870 to 1888 he spent much of his time and resources in pursuing research into alternative energy sources, such as solar power, gravitation and tidal forces.[br]Further ReadingW.C.Church, 1891, Life of John Ericsson, 2 vols, London.LRD -
99 Fox, Samson
SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering, Metallurgy, Steam and internal combustion engines[br]b. 11 July 1838 Bowling, near Bradford, Yorkshire, Englandd. 24 October 1903 Walsall, Staffordshire, England[br]English engineer who invented the corrugated boiler furnace.[br]He was the son of a cloth mill worker in Leeds and at the age of 10 he joined his father at the mill. Showing a mechanical inclination, he was apprenticed to a firm of machine-tool makers, Smith, Beacock and Tannett. There he rose to become Foreman and Traveller, and designed and patented tools for cutting bevelled gears. With his brother and one Refitt, he set up the Silver Cross engineering works for making special machine tools. In 1874 he founded the Leeds Forge Company, acting as Managing Director until 1896 and then as Chairman until shortly before his death.It was in 1877 that he patented his most important invention, the corrugated furnace for steam-boilers. These furnaces could withstand much higher pressures than the conventional form, and higher working pressures in marine boilers enabled triple-expansion engines to be installed, greatly improving the performance of steamships, and the outcome was the great ocean-going liners of the twentieth century. The first vessel to be equipped with the corrugated furnace was the Pretoria of 1878. At first the furnaces were made by hammering iron plates using swage blocks under a steam hammer. A plant for rolling corrugated plates was set up at Essen in Germany, and Fox installed a similar mill at his works in Leeds in 1882.In 1886 Fox installed a Siemens steelmaking plant and he was notable in the movement for replacing wrought iron with steel. He took out several patents for making pressed-steel underframes for railway wagons. The business prospered and Fox opened a works near Chicago in the USA, where in addition to wagon underframes he manufactured the first American pressed-steel carriages. He later added a works at Pittsburgh.Fox was the first in England to use water gas for his metallurgical operations and for lighting, with a saving in cost as it was cheaper than coal gas. He was also a pioneer in the acetylene industry, producing in 1894 the first calcium carbide, from which the gas is made.Fox took an active part in public life in and around Leeds, being thrice elected Mayor of Harrogate. As a music lover, he was a benefactor of musicians, contributing no less than £45,000 towards the cost of building the Royal College of Music in London, opened in 1894. In 1897 he sued for libel the author Jerome K.Jerome and the publishers of the Today magazine for accusing him of misusing his great generosity to the College to give a misleading impression of his commercial methods and prosperity. He won the case but was not awarded costs.[br]Principal Honours and DistinctionsRoyal Society of Arts James Watt Silver Medal and Howard Gold Medal. Légion d'honneur 1889.Bibliography1877, British Patent nos. 1097 and 2530 (the corrugated furnace or "flue", as it was often called).Further ReadingObituary, 1903, Proceedings of the Institution of Mechanical Engineers: 919–21.Obituary, 1903, Proceedings of the Institution of Civil Engineers (the fullest of the many obituary notices).G.A.Newby, 1993, "Behind the fire doors: Fox's corrugated furnace 1877 and the high pressure steamship", Transactions of the Newcomen Society 64.LRD -
100 Harrison, John
[br]b. 24 March 1693 Foulby, Yorkshire, Englandd. 24 March 1776 London, England[br]English horologist who constructed the first timekeeper of sufficient accuracy to determine longitude at sea and invented the gridiron pendulum for temperature compensation.[br]John Harrison was the son of a carpenter and was brought up to that trade. He was largely self-taught and learned mechanics from a copy of Nicholas Saunderson's lectures that had been lent to him. With the assistance of his younger brother, James, he built a series of unconventional clocks, mainly of wood. He was always concerned to reduce friction, without using oil, and this influenced the design of his "grasshopper" escapement. He also invented the "gridiron" compensation pendulum, which depended on the differential expansion of brass and steel. The excellent performance of his regulator clocks, which incorporated these devices, convinced him that they could also be used in a sea dock to compete for the longitude prize. In 1714 the Government had offered a prize of £20,000 for a method of determining longitude at sea to within half a degree after a voyage to the West Indies. In theory the longitude could be found by carrying an accurate timepiece that would indicate the time at a known longitude, but the requirements of the Act were very exacting. The timepiece would have to have a cumulative error of no more than two minutes after a voyage lasting six weeks.In 1730 Harrison went to London with his proposal for a sea clock, supported by examples of his grasshopper escapement and his gridiron pendulum. His proposal received sufficient encouragement and financial support, from George Graham and others, to enable him to return to Barrow and construct his first sea clock, which he completed five years later. This was a large and complicated machine that was made out of brass but retained the wooden wheelwork and the grasshopper escapement of the regulator clocks. The two balances were interlinked to counteract the rolling of the vessel and were controlled by helical springs operating in tension. It was the first timepiece with a balance to have temperature compensation. The effect of temperature change on the timekeeping of a balance is more pronounced than it is for a pendulum, as two effects are involved: the change in the size of the balance; and the change in the elasticity of the balance spring. Harrison compensated for both effects by using a gridiron arrangement to alter the tension in the springs. This timekeeper performed creditably when it was tested on a voyage to Lisbon, and the Board of Longitude agreed to finance improved models. Harrison's second timekeeper dispensed with the use of wood and had the added refinement of a remontoire, but even before it was tested he had embarked on a third machine. The balance of this machine was controlled by a spiral spring whose effective length was altered by a bimetallic strip to compensate for changes in temperature. In 1753 Harrison commissioned a London watchmaker, John Jefferys, to make a watch for his own personal use, with a similar form of temperature compensation and a modified verge escapement that was intended to compensate for the lack of isochronism of the balance spring. The time-keeping of this watch was surprisingly good and Harrison proceeded to build a larger and more sophisticated version, with a remontoire. This timekeeper was completed in 1759 and its performance was so remarkable that Harrison decided to enter it for the longitude prize in place of his third machine. It was tested on two voyages to the West Indies and on both occasions it met the requirements of the Act, but the Board of Longitude withheld half the prize money until they had proof that the timekeeper could be duplicated. Copies were made by Harrison and by Larcum Kendall, but the Board still continued to prevaricate and Harrison received the full amount of the prize in 1773 only after George III had intervened on his behalf.Although Harrison had shown that it was possible to construct a timepiece of sufficient accuracy to determine longitude at sea, his solution was too complex and costly to be produced in quantity. It had, for example, taken Larcum Kendall two years to produce his copy of Harrison's fourth timekeeper, but Harrison had overcome the psychological barrier and opened the door for others to produce chronometers in quantity at an affordable price. This was achieved before the end of the century by Arnold and Earnshaw, but they used an entirely different design that owed more to Le Roy than it did to Harrison and which only retained Harrison's maintaining power.[br]Principal Honours and DistinctionsRoyal Society Copley Medal 1749.Bibliography1767, The Principles of Mr Harrison's Time-keeper, with Plates of the Same, London. 1767, Remarks on a Pamphlet Lately Published by the Rev. Mr Maskelyne Under theAuthority of the Board of Longitude, London.1775, A Description Concerning Such Mechanisms as Will Afford a Nice or True Mensuration of Time, London.Further ReadingR.T.Gould, 1923, The Marine Chronometer: Its History and Development, London; reprinted 1960, Holland Press.—1978, John Harrison and His Timekeepers, 4th edn, London: National Maritime Museum.H.Quill, 1966, John Harrison, the Man who Found Longitude, London. A.G.Randall, 1989, "The technology of John Harrison's portable timekeepers", Antiquarian Horology 18:145–60, 261–77.J.Betts, 1993, John Harrison London (a good short account of Harrison's work). S.Smiles, 1905, Men of Invention and Industry; London: John Murray, Chapter III. Dictionary of National Biography, Vol. IX, pp. 35–6.DV
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