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method+of+sections

  • 81 partītiō

        partītiō ōnis, f    [partior], a sharing, parting, partition, division, distribution: tantae pecuniae: rationes auctionis et partitionis, method of dividing an inheritance.—In philosophy and rhetoric, a logical division, partition, distribution of topics.
    * * *
    distribution, share; classification, logical distinction; div. into sections

    Latin-English dictionary > partītiō

  • 82 Chintzing

    A method of adding ornament to fabrics by replacing one colour of weft with another in succeeding horizontal sections of the design - called " weft chintzmg." Utilised in such fabrics as fancy muslins of the better qualities.

    Dictionary of the English textile terms > Chintzing

  • 83 come

    A ◑ n sperme m.
    B excl ( reassuringly) come (now)! allons! ; come, come! (in warning, reproach) allons, allons!
    C vtr ( prét came ; pp come)
    1 ( travel) faire ; to come 100 km to see faire 100 km pour voir ;
    2 ○ GB ( act) don't come the innocent with me ne fais pas l'innocent ; to come the heavy-handed father jouer les pères autoritaires.
    D vi ( prét came ; pp come)
    1 ( arrive) [person, day, success, fame] venir ; [bus, letter, news, results, rains, winter, war] arriver ; the letter came on Monday la lettre est arrivée lundi ; your turn will come ton tour arrivera ; to come after sb ( chase) poursuivre qn ; to come by ( take) prendre [bus, taxi, plane] ; I came on foot/by bike je suis venu à pied/à bicyclette ; to come down descendre [stairs, street] ; to come up monter [stairs, street] ; to come down from Scotland/from Alaska venir d'Écosse/de l'Alaska ; to come from venir de [airport, hospital] ; to come into entrer dans [house, room] ; the train came into the station le train est entré en gare ; to come past [car, person] passer ; to come through [person] passer par [town centre, tunnel] ; [water, object] traverser [window etc] ; to come to venir à [school, telephone] ; to come to the door venir ouvrir ; to come to the surface remonter à la surface ; to come to the company as entrer dans l'entreprise comme [apprentice, consultant] ; to come to do venir faire ; to come running arriver en courant ; to come limping down the street descendre la rue en boitant ; to come crashing to the ground [structure] s'écraser au sol ; to come streaming through the window [light] entrer à flots par la fenêtre ; lunch is ready, come and get it! le déjeuner est prêt, à table! ; when the time comes lorsque le moment sera venu ; the time has come to do le moment est venu de faire ; I'm coming! j'arrive! ; come to mummy viens voir maman ; to come and go aller et venir ; you can come and go as you please tu es libre de tes mouvements ; fashions come and go les modes vont et viennent ; come next week/year la semaine/l'année prochaine ; come Christmas/Summer à Noël/en été ; there may come a time ou day when you regret it tu pourrais le regretter un jour ; for some time to come encore quelque temps ; there's still the meal/speech to come il y a encore le repas/discours ;
    2 ( approach) s'approcher ; to come and see/help sb venir voir/aider qn ; to come to sb for venir demander [qch] à qn [money, advice] ; I could see it coming ( of accident) je le voyais venir ; don't come any closer ne vous approchez pas (plus) ; he came to the job with preconceived ideas quand il a commencé ce travail il avait des idées préconçues ; to come close ou near to doing faillir faire ;
    3 (call, visit) [dustman, postman] passer ; [cleaner] venir ; I've come to do je viens faire ; I've come about je viens au sujet de ; I've come for je viens chercher ; my brother is coming for me at 10 am mon frère passe me prendre à 10 heures ; they're coming for the weekend ils viennent pour le week-end ; I've got six people coming to dinner j'ai six personnes à dîner ; my sister is coming to stay with us ma sœur vient passer quelques jours chez nous ;
    4 ( attend) venir ; I can't ou won't be able to come je ne pourrai pas venir ; come as you are venez comme vous êtes ; to come to venir à [meeting, party, wedding] ; to come with sb venir avec qn, accompagner qn ; do you want to come fishing? est-ce que tu veux venir à la pêche? ;
    5 ( reach) to come to, to come up/down to [water] venir jusqu'à ; [dress, carpet, curtain] arriver à ; I've just come to the chapter where… j'en suis juste au chapitre où… ;
    6 ( happen) how did you come to do? comment as-tu fait pour faire? ; that's what comes of doing/not doing voilà ce qui arrive quand on fait/ne fait pas ; how come? comment ça se fait? ; how come you lost? comment ça se fait que tu aies perdu? ; come what may advienne que pourra ; to take things as they come prendre les choses comme elles viennent ; when you come to think of it à la réflexion ; come to think of it, you're right en fait, tu as raison ;
    7 ( begin) to come to believe/hate/understand finir par croire/détester/comprendre ;
    8 ( originate) to come from [person] être originaire de, venir de [city, country etc] ; [word, song, legend] venir de [country, language] ; [substance, food] provenir de [raw material] ; [coins, stamps] provenir de [place, collection] ; [smell, sound] venir de [place] ; to come from France [fruit, painting] provenir de France ; [person] être français/-e ; to come from a long line of artists être issu d'une longue lignée d'artistes ;
    9 ( be available) to come in exister en [sizes, colours] ; to come with a radio/sunroof être livré avec radio/toit ouvrant ; to come with chips être servi avec des frites ; to come with matching napkins être vendu avec les serviettes assorties ; calculators don't come smaller/cheaper than this il n'existe pas de calculatrice plus petite/moins chère que celle-là ;
    10 ( tackle) to come to aborder [problem, subject] ; I'll come to that in a moment je reviendrai sur ce point dans un moment ; to come to sth ou to doing sth late in life se mettre à faire qch sur le tard ;
    11 ( develop) it comes with practice/experience cela s'apprend avec la pratique/l'expérience ; wisdom comes with age la sagesse vient en vieillissant ;
    12 ( be situated) venir ; to come after suivre, venir après ; to come before (in time, list, queue) précéder ; ( in importance) passer avant ; to come within faire partie de [terms] ; to come first/last [athlete, horse] arriver premier/dernier ; where did you come? tu es arrivé combien ○ ?, tu es arrivé à quelle place? ; my family comes first ma famille passe avant tout ; nothing can come between us rien ne peut nous séparer ; don't let this come between us on ne va pas se fâcher pour ça ; to try to come between two people essayer de s'interposer entre deux personnes ; nothing comes between me and my football! pour moi le foot c'est sacré! ;
    13 ( be due) the house comes to me when they die la maison me reviendra quand ils mourront ; death/old age comes to us all tout le monde meurt/vieillit ; he had it coming (to him) ○ ça lui pendait au nez ; they got what was coming to them ○ ils ont fini par avoir ce qu'ils méritaient ;
    14 ( be a question of) when it comes to sth/to doing lorsqu'il s'agit de qch/de faire ;
    15 ○ ( have orgasm) jouir.
    come again ○ ? pardon? ; I don't know if I'm coming or going je ne sais plus où j'en suis ; ‘how do you like your tea?’-‘as it comes’ ‘tu le prends comment ton thé?’-‘ça m'est égal’ ; he's as stupid/honest as they come il n'y a pas plus stupide/honnête que lui ; come to that ou if it comes to that, you may be right en fait, tu as peut-être raison ; to come as a shock/a surprise être un choc/une surprise.
    1 ( happen) [problems, reforms] survenir ; [situation, change] se produire ; the discovery came about by accident on a fait la découverte par hasard ;
    2 Naut virer de bord.
    ▶ come across ( be conveyed) [meaning, message] passer ; [feelings] transparaître ; the message of the film comes across clearly le message du film est clair ; his love of animals comes across strongly on sent bien qu'il adore les animaux ; she comes across well on TV elle passe bien à la télé ; come across as donner l'impression d'être [liar, expert] ; paraître [enthusiastic, honest] ;
    ▶ come across [sth] tomber sur [article, reference, example] ; découvrir [qch] par hasard [village] ; we rarely come across cases of nous avons rarement affaire à des cas de ;
    ▶ come across [sb] rencontrer [person] ; one of the nicest people I've ever come across une des personnes les plus sympathiques que j'aie jamais rencontrées.
    1 ( arrive) [bus, person] arriver ; [opportunity] se présenter ; to wait for the right person to come along attendre que la personne idéale se présente ;
    2 ( hurry up) come along! dépêche-toi! ;
    3 ( attend) venir ; why don't you come along? tu veux venir? ; to come along to venir à [lecture, party] ; to come along with sb venir avec qn, accompagner qn ;
    4 ( make progress) [pupil, trainee] faire des progrès ; [book, building work, project] avancer ; [painting, tennis] progresser ; [plant, seedling] pousser ; your Spanish is coming along votre espagnol a progressé ; how's the thesis coming along? est-ce que ta thèse avance?
    1 ( accidentally) [book, parcel, box] se déchirer ; [shoes] craquer ; [toy, camera] se casser ; the toy just came apart in my hands le jouet m'est resté dans les mains ;
    2 ( intentionally) [sections, components] se séparer ; [machine, equipment] se démonter.
    ■ come at:
    ▶ come at [sb]
    1 ( attack) [person] attaquer (with avec) ; [bull, rhino] foncer sur ;
    2 fig there were criticisms/questions coming at me from all sides j'étais assailli de critiques/questions.
    1 ( leave) lit partir ; to come away from quitter [cinema, match, show] ; sortir de [interview, meeting] ; fig to come away from the match/from the meeting disappointed/satisfied sortir déçu/satisfait du stade/de la réunion ; to come away with the feeling that rester sur l'impression que ;
    2 ( move away) s'éloigner ; come away! ( said by parent) pousse-toi de là! ; ( said by official) circulez! ; come away from the edge éloigne-toi du bord ;
    3 ( become detached) [handle, plaster, cover] se détacher (from de).
    1 ( return) gen [letter, person, memories, feeling, good weather] revenir (from de ; to à) ; ( to one's house) rentrer ; to come running back revenir en courant ; the memories came flooding back les souvenirs me sont revenus d'un seul coup ; to come back to revenir à [topic, problem] ; retourner auprès de [spouse, lover] ; to come back with sb raccompagner qn ; to come back with ( return) revenir avec [present, idea, flu] ; ( reply) répondre par [offer, suggestion] ; can I come back to you on that tomorrow? est-ce que nous pourrions en reparler demain? ; it's all coming back to me now tout me revient maintenant ; the name will come back to me le nom me reviendra ; to come back to what you were saying pour en revenir à ce que tu disais ;
    2 ( become popular) [law, system] être rétabli ; [trend, method, hairstyle] revenir à la mode ; to come back into fashion revenir à la mode.
    ■ come by:
    ▶ come by [person] passer ; you must come by and see us passez donc nous voir ;
    ▶ come by [sth] trouver [book, job, money].
    1 ( move lower) [person] descendre (from de) ; [lift, barrier, blind] descendre ; [curtain] tomber ; to come down by parachute descendre en parachute ; to come down in the lift prendre l'ascenseur pour descendre ; he's really come down in the world fig il est vraiment tombé bas ; his trousers barely came down to his ankles son pantalon lui arrivait à peine aux chevilles ;
    2 ( drop) [price, inflation, unemployment, temperature] baisser (from de ; to à) ; [cost] diminuer ; cars are coming down in price le prix des voitures baisse ;
    3 Meteorol [snow, rain] tomber ; the fog came down overnight le brouillard est apparu pendant la nuit ;
    4 ( land) [helicopter] se poser ; [aircraft] atterrir ;
    5 ( crash) [plane] s'écraser ;
    6 ( fall) [ceiling, wall] s'écrouler ; [curtain rail] tomber ; [hem] se défaire ;
    7 fig ( be resumed by) se ramener à [question, problem, fact] ; it all really comes down to the fact that ça se ramène au fait que.
    1 ( step forward) s'avancer ;
    2 ( volunteer) se présenter (to do pour faire) ; to come forward with présenter [proof, proposal] ; offrir [help, money, suggestions] ; to ask witnesses to come forward lancer un appel à témoins.
    ■ come in
    1 ( enter) [person, rain] entrer (through par) ;
    2 ( return) rentrer (from de) ; she comes in from work at five elle rentre du travail à cinq heures ;
    3 ( come inland) [tide] monter ; a wind coming in from the sea un vent soufflant de la mer ;
    4 ( arrive) [plane, train, bill, complaint, delivery, letter] arriver ; which horse came in first? quel cheval est arrivé premier? ; we've got £2,000 a month coming in nous avons une rentrée de 2 000 livres sterling par mois ;
    5 ( become current) [trend, invention, style] faire son apparition ; [habit, practice] commencer à se répandre ;
    6 ( interject) intervenir ; to come in with an opinion exprimer son opinion ;
    7 Radio, Telecom ( in radio transmission) come in, Delta Bravo! c'est à vous, Delta Bravo! ;
    8 ( participate) to come in with sb s'associer à qn ; to come in on the deal participer à l'affaire ;
    9 ( serve a particular purpose) where do I come in? à quel moment est-ce que j'interviens? ; where does the extra money come in? à quel moment est-ce qu'on introduira l'argent en plus? ; to come in useful ou handy [box, compass, string etc] être utile, servir ; [skill, qualification] être utile ;
    10 ( receive) to come in for criticism [person] être critiqué ; [plan] faire l'objet de nombreuses critiques ; to come in for praise recevoir des éloges.
    ■ come into:
    ▶ come into [sth]
    1 ( inherit) hériter de [money] ; entrer en possession de [inheritance] ;
    2 ( be relevant) to come into it [age, experience] entrer en ligne de compte, jouer ; luck/skill doesn't come into it ce n'est pas une question de hasard/d'habileté.
    ■ come off:
    1 ( become detached) ( accidentally) [button, label, handle] se détacher ; [lid] s'enlever ; [paint] s'écailler ; [wallpaper] se décoller ; ( intentionally) [handle, panel, lid] s'enlever ; the knob came off in my hand la poignée m'est restée dans la main ; the lid won't come off je n'arrive pas à enlever le couvercle ;
    2 ( fall) [rider] tomber ;
    3 (wash, rub off) [ink] s'effacer ; [stain] partir ; the mark won't come off la tache ne part pas ;
    4 ( take place) [deal] se réaliser ; [merger, trip] avoir lieu ;
    5 ( succeed) [plan, trick, project] réussir ; [parody] être réussi ;
    6 Theat, TV ( be taken off) [play] être retiré de l'affiche ; [TV show] être déprogrammé ;
    7 ( fare) she came off well ( in deal) elle s'en est très bien tirée ; who came off worst? ( in fight) lequel des deux a été le plus touché? ;
    ▶ come off [sth]
    1 ( stop using) arrêter [pill, tablet, heroin] ;
    2 ( fall off) tomber de [bicycle, horse] ;
    3 ( get off) descendre de [wall] ; come off the lawn! sors de la pelouse!
    ■ come on
    1 ( follow) I'll come on later je vous rejoindrai plus tard ;
    2 ( exhortation) ( encouraging) come on, try it! allez, essaie! ; come on, follow me! allez, suivez-moi! ; ( impatient) come on, hurry up! allez, dépêche-toi! ; ( wearily) come on, somebody must know the answer! enfin, il y a sûrement quelqu'un qui connaît la réponse! ; come on, you don't expect me to believe that! non mais franchement, tu ne t'attends pas à ce que je croie ça! ;
    3 ( make progress) [person, player, patient] faire des progrès ; [bridge, road, novel] avancer ; [plant] pousser ; how are the recruits coming on? est-ce que les recrues font des progrès? ; her tennis is coming on well elle fait des progrès en tennis ;
    4 ( begin) [asthma, attack, headache] commencer ; [winter] arriver ; [programme, film] commencer ; [rain] se mettre à tomber ; it came on to snow il s'est mis à neiger ;
    5 ( start to work) [light] s'allumer ; [heating, fan] se mettre en route ; the power came on again at 11 le courant est revenu à 11 heures ;
    6 Theat [actor] entrer en scène.
    1 ( emerge) [person, animal, vehicle] sortir (of de) ; [star] apparaître ; [sun, moon] se montrer ; [flowers, bulbs] sortir de terre ; [spot, rash] apparaître ; come out with your hands up! sortez les mains en l'air ; when does he come out? (of prison, hospital) quand est-ce qu'il sort? ; he came out of it rather well fig il ne s'en est pas mal tiré ;
    2 ( originate) to come out of [person] être originaire de ; [song] venir de ; [news report] provenir de ; the money will have to come out of your savings il faudra prendre l'argent sur tes économies ;
    3 ( result) to come out of [breakthrough] sortir de ; something good came out of the disaster il est sorti quelque chose de bon du désastre ;
    4 ( strike) faire la grève ; to come out on strike faire la grève ;
    5 [homosexual] déclarer publiquement son homosexualité ;
    6 ( fall out) [contact lens, tooth, key, screw, nail] tomber ; [electrical plug] se débrancher ; [sink plug] sortir ; [contents, stuffing] sortir ; [cork] s'enlever ; his hair is coming out il commence à perdre ses cheveux ;
    7 ( be emitted) [water, air, smoke] sortir (through par) ; the water comes out of this hole l'eau sort par ce trou ;
    8 ( wash out) [stain, ink, grease] s'en aller, partir (of de) ; it won't come out ça ne part pas ;
    9 ( be deleted) [reference, sentence] être éliminé ;
    10 (be published, issued) [magazine, novel] paraître ; [album, film, model, product] sortir ;
    11 ( become known) [feelings] se manifester ; [message, meaning] ressortir ; [details, facts, full story] être révélé ; [results] être connu ; [secret] être divulgué ; it came out that on a appris que ; if it ever comes out that it was my fault si on découvre un jour que c'était de ma faute ; the truth is bound to come out la vérité finira forcément par se savoir ; so that's what you think-it's all coming out now! c'est ça que tu penses-tu finis par l'avouer! ;
    12 Phot, Print [photo, photocopy] être réussi ; the photos didn't come out (well) les photos ne sont pas réussies ; red ink won't come out on the photocopy l'encre rouge ne donnera rien sur la photocopie ;
    13 ( end up) to come out at 200 dollars [cost, bill] s'élever à 200 dollars ; the jumper came out too big le pull était trop grand ; the total always comes out the same le total est toujours le même ;
    14 ( say) to come out with sortir [excuse] ; raconter [nonsense, rubbish] ; I knew what I wanted to say but it came out wrong je savais ce que je voulais dire mais je me suis mal exprimé ; whatever will she come out with next? qu'est-ce qu'elle va encore nous sortir ○ ? ; to come straight out with it le dire franchement ;
    15 ( enter society) faire ses débuts dans le monde.
    ■ come over:
    1 ( drop in) venir ; come over for a drink venez prendre un verre ; to come over to do venir faire ;
    2 ( travel) venir ; they came over on the ferry ils sont venus en ferry ; she's coming over on the 10 am flight elle arrive par l'avion de 10 heures ; she often comes over to France elle vient souvent en France ; their ancestors came over with the Normans leurs ancêtres sont venus ici au temps des Normands ;
    3 ( convey impression) [message, meaning] passer ; [feelings, love] transparaître ; to make one's feelings come over exprimer ses sentiments ; to come over very well [person] donner une très bonne impression ; to come over as donner l'impression d'être [lazy, honest] ;
    4 ○ ( suddenly become) to come over all embarrassed se sentir gêné tout à coup ; to come over all shivery se sentir fiévreux/-euse tout à coup ; to come over all faint être pris de vertige tout d'un coup ;
    ▶ come over [sb] [feeling] envahir ; what's come over you? qu'est-ce qui te prend? ; I don't know what came over me je ne sais pas ce qui m'a pris.
    ■ come round GB, come around US
    1 ( regain consciousness) reprendre connaissance ;
    2 ( make a detour) faire un détour (by par) ;
    3 ( circulate) [steward, waitress] passer ;
    4 ( visit) venir ; to come round and do venir faire ; to come round for dinner/drinks venir dîner/prendre un verre ;
    5 ( occur) [event] avoir lieu ; the elections are coming round again les élections auront bientôt lieu ; by the time Christmas comes round à Noël ;
    6 ( change one's mind) changer d'avis ; to come round to an idea/to my way of thinking se faire à une idée/à ma façon de voir les choses ;
    7 Naut [boat] venir au vent.
    1 ( survive) s'en tirer ;
    2 ( penetrate) [heat, ink] traverser ; [light] passer ;
    3 ( arrive) the fax/the call came through at midday nous avons reçu le fax/l'appel à midi ; my posting has just come through je viens de recevoir ma mutation ; she's still waiting for her visa/her results to come through elle n'a toujours pas reçu son visa/ses résultats ;
    4 ( emerge) [personality, qualities] apparaître ;
    ▶ come through [sth]
    1 ( survive) se tirer de [crisis] ; se sortir de [recession] ; survivre à [operation, ordeal, war] ;
    2 ( penetrate) [ink, dye] traverser [paper, cloth] ; [light] passer au travers de [curtains].
    ■ come to:
    ▶ come to ( regain consciousness) ( from faint) reprendre connaissance ; ( from trance) se réveiller ;
    ▶ come to [sth]
    1 ( total) [shopping] revenir à ; [bill, expenditure, total] s'élever à ; both columns should come to the same figure les deux colonnes devraient donner le même total ; that comes to £40 cela fait 40 livres sterling ;
    2 ( result in) aboutir à ; if it comes to a fight si on en vient à se battre ; all her plans came to nothing aucun de ses projets ne s'est réalisé ; did the plans come to anything? est-ce que les projets ont abouti? ; all our efforts came to nothing tous nos efforts ont été vains ; I never thought it would come to this je n'aurais jamais imaginé que les choses en arriveraient là ; it may not come to that ce ne sera peut-être pas nécessaire.
    ▶ come under [sth]
    1 ( be subjected to) to come under scrutiny faire l'objet d'un examen minutieux ; to come under suspicion être soupçonné ; to come under threat être menacé ; we're coming under pressure to do on fait pression sur nous pour faire ;
    2 ( be classified under) (in library, shop) être classé dans le rayon [reference, history] ; Dali comes under Surrealism Dali fait partie des surréalistes.
    ■ come up:
    ▶ come up
    1 ( arise) [problem, issue, matter] être soulevé ; [name] être mentionné ; to come up in conversation [subject] être abordé dans la conversation ; this type of question may come up c'est le genre de question qui pourrait être posée ;
    2 (be due, eligible) to come up for re-election se représenter aux élections ; my salary comes up for review in April mon salaire sera révisé en avril ; the car is coming up for its annual service la voiture va avoir sa révision annuelle ;
    3 ( occur) [opportunity] se présenter ; something urgent has come up j'ai quelque chose d'urgent à faire ; a vacancy has come up une place s'est libérée ;
    4 ( rise) [sun, moon] sortir ; [tide] monter ; [bulb, seeds] germer ; [daffodils, beans] sortir ;
    5 Jur [case, hearing] passer au tribunal ; to come up before [case] passer devant ; [person] comparaître devant.
    ▶ come up against [sth] se heurter à [problem, prejudice, opposition].
    ▶ come up with [sth] trouver [answer, idea, money].
    ■ come upon:
    ▶ come upon [sth] tomber sur [book, reference] ; trouver [idea] ;
    ▶ come upon [sb] rencontrer, tomber ○ sur [friend].

    Big English-French dictionary > come

  • 84 Ebener, Erasmus

    SUBJECT AREA: Metallurgy
    [br]
    b. 21 December 1511 Nuremberg, Germany
    d. 24 November 1577 Helmstedt, Germany
    [br]
    German mining entrepreneur who introduced a new method ofbrassmaking.
    [br]
    A descendant of Nuremberg nobility, Ebener became recognized as a statesman in his native city and was employed also by foreign dignitaries. His appointment as Privy Councillor to the Dukes of Brunswick involved him in mining and metallurgical affairs at the great Rammelsberg mixed-ore mine at Goslar in the Harz mountains. About 1550, at Rammelsberg, Ebener is believed to have made brass by incorporating accretions of zinc formed in crevices of local lead-smelting furnaces. This small-scale production of impure zinc, formerly discarded as waste, could be used to replace calamine, the carbonate ore of zinc, which by tradition had been combined with copper in European brassmaking. Ercker, writing in 1574, mentions the accretions at Goslar obtained by removing furnace sections to make this material available for brass. The true nature of the zinc ore, calamine, and zinc metal compared with these accretions was determined only much later, but variation in quality with respect to impurities made the material most suitable for cast brassware rather than beaten goods. As quantities were small and much valued, distribution from Goslar was limited, not normally reaching Britain, where production of brasses continued to rely on calamine or expensive zinc imports from the East. Rammelsberg profited from the waste material accumulating over the years and its use at Bundheim brassworks east of Goslar. Ebener partnered Duke Henry the Younger of Brunswick in financing a new drainage adit at Rammelsberg, and was later granted several iron mines and smelting works. From 1556 he was granted rights to market calamine from the Lower Harz and copper sulphate from Rammelsberg. Ebener later had an important role at the court of Duke Julius, son of Henry, advising him on the founding of Helmstedt University.
    [br]
    Bibliography
    1572, "Sundry expositions on mines, metals and other useful things found in the Harz and especially at the Rammelsberg", reproduced and annotated by F.J.F.Meyer and J.F.L.Hausmann, 1805 Hercynian Archive.
    Further Reading
    Beckmann, 1846, History of Inventions, Vol. II, trans. William Johnston, London (the most concise account).
    W.Bornhardt, 1989, "The History of Rammelsberg Mine", trans. T.A.Morrison, The Mining Journal (has additional brief references to Ebener in the context of Rammelsberg).
    JD

    Biographical history of technology > Ebener, Erasmus

  • 85 Freyssinet, Eugène

    [br]
    b. 13 July 1879 Objat, Corrèze, France
    d. 8 June 1962 Saint-Martin Vésubié, France
    [br]
    French civil engineer who is generally recognized as the originator of pre-stressed reinforced concrete.
    [br]
    Eugène Freyssinet was an army engineer during the First World War who pioneered pre-stressed reinforced concrete and experimented with building concrete bridges. After 1918 he formed his own company to develop his ideas. He investigated the possibilities of very high-strength concrete, and in so doing studied shrinkage and creep. He combined high-quality concrete with highly stressed, stretched steel to give top quality results. His work in 1926 on Plougastel Bridge, at that time the longest reinforced concrete bridge, is a notable example of his use of this technique. In 1916 Freyssinet had built his famous airship hangars at Orly, which were destroyed in the Second World War; the hangars were roofed in parabolic sections to a height of about 200 ft. In 1934 he succeeded in saving the Ocean Terminal at Le Havre from sinking into the mud and being covered by the sea by using his pre-stressing techniques. By 1938 he had developed a superior method of pre-stressing with steel which led to widespread adoption of his methods.
    [br]
    Further Reading
    C.C.Stanley, 1979, Highlights in the History of Concrete, Cement and Concrete Association.
    1977, Who's Who in Architecture, Weidenfeld and Nicolson.
    DY

    Biographical history of technology > Freyssinet, Eugène

  • 86 Riley, James

    SUBJECT AREA: Metallurgy
    [br]
    b. 1840 Halifax, England
    d. 15 July 1910 Harrogate, England
    [br]
    English steelmaker who promoted the manufacture of low-carbon bulk steel by the open-hearth process for tin plate and shipbuilding; pioneer of nickel steels.
    [br]
    After working as a millwright in Halifax, Riley found employment at the Ormesby Ironworks in Middlesbrough until, in 1869, he became manager of the Askam Ironworks in Cumberland. Three years later, in 1872, he was appointed Blast-furnace Manager at the pioneering Siemens Steel Company's works at Landore, near Swansea in South Wales. Using Spanish ore, he produced the manganese-rich iron (spiegeleisen) required as an additive to make satisfactory steel. Riley was promoted in 1874 to be General Manager at Landore, and he worked with William Siemens to develop the use of the latter's regenerative furnace for the production of open-hearth steel. He persuaded Welsh makers of tin plate to use sheets rolled from lowcarbon (mild) steel instead of from charcoal iron and, partly by publishing some test results, he was instrumental in influencing the Admiralty to build two naval vessels of mild steel, the Mercury and the Iris.
    In 1878 Riley moved north on his appointment as General Manager of the Steel Company of Scotland, a firm closely associated with Charles Tennant that was formed in 1872 to make steel by the Siemens process. Already by 1878, fourteen Siemens melting furnaces had been erected, and in that year 42,000 long tons of ingots were produced at the company's Hallside (Newton) Works, situated 8 km (5 miles) south-east of Glasgow. Under Riley's leadership, steelmaking in open-hearth furnaces was initiated at a second plant situated at Blochairn. Plates and sections for all aspects of shipbuilding, including boilers, formed the main products; the company also supplied the greater part of the steel for the Forth (Railway) Bridge. Riley was associated with technical modifications which improved the performance of steelmaking furnaces using Siemens's principles. He built a gasfired cupola for melting pig-iron, and constructed the first British "universal" plate mill using three-high rolls (Lauth mill).
    At the request of French interests, Riley investigated the properties of steels containing various proportions of nickel; the report that he read before the Iron and Steel Institute in 1889 successfully brought to the notice of potential users the greatly enhanced strength that nickel could impart and its ability to yield alloys possessing substantially lower corrodibility.
    The Steel Company of Scotland paid dividends in the years to 1890, but then came a lean period. In 1895, at the age of 54, Riley moved once more to another employer, becoming General Manager of the Glasgow Iron and Steel Company, which had just laid out a new steelmaking plant at Wishaw, 25 km (15 miles) south-east of Glasgow, where it already had blast furnaces. Still the technical innovator, in 1900 Riley presented an account of his experiences in introducing molten blast-furnace metal as feed for the open-hearth steel furnaces. In the early 1890s it was largely through Riley's efforts that a West of Scotland Board of Conciliation and Arbitration for the Manufactured Steel Trade came into being; he was its first Chairman and then its President.
    In 1899 James Riley resigned from his Scottish employment to move back to his native Yorkshire, where he became his own master by acquiring the small Richmond Ironworks situated at Stockton-on-Tees. Although Riley's 1900 account to the Iron and Steel Institute was the last of the many of which he was author, he continued to contribute to the discussion of papers written by others.
    [br]
    Principal Honours and Distinctions
    President, West of Scotland Iron and Steel Institute 1893–5. Vice-President, Iron and Steel Institute, 1893–1910. Iron and Steel Institute (London) Bessemer Gold Medal 1887.
    Bibliography
    1876, "On steel for shipbuilding as supplied to the Royal Navy", Transactions of the Institute of Naval Architects 17:135–55.
    1884, "On recent improvements in the method of manufacture of open-hearth steel", Journal of the Iron and Steel Institute 2:43–52 plus plates 27–31.
    1887, "Some investigations as to the effects of different methods of treatment of mild steel in the manufacture of plates", Journal of the Iron and Steel Institute 1:121–30 (plus sheets II and III and plates XI and XII).
    27 February 1888, "Improvements in basichearth steel making furnaces", British patent no. 2,896.
    27 February 1888, "Improvements in regenerative furnaces for steel-making and analogous operations", British patent no. 2,899.
    1889, "Alloys of nickel and steel", Journal of the Iron and Steel Institute 1:45–55.
    Further Reading
    A.Slaven, 1986, "James Riley", in Dictionary of Scottish Business Biography 1860–1960, Volume 1: The Staple Industries (ed. A.Slaven and S. Checkland), Aberdeen: Aberdeen University Press, 136–8.
    "Men you know", The Bailie (Glasgow) 23 January 1884, series no. 588 (a brief biography, with portrait).
    J.C.Carr and W.Taplin, 1962, History of the British Steel Industry, Harvard University Press (contains an excellent summary of salient events).
    JKA

    Biographical history of technology > Riley, James

  • 87 Wright, Wilbur

    SUBJECT AREA: Aerospace
    [br]
    b. 16 April 1867 Millville, Indiana, USA
    d. 30 May 1912 Dayton, Ohio, USA
    [br]
    American co-inventor, with his brother Orville Wright (b. 19 August 1871 Dayton, Ohio, USA; d. 30 January 1948 Dayton, Ohio, USA), of the first powered aeroplane capable of sustained, controlled flight.
    [br]
    Wilbur and Orville designed and built bicycles in Dayton, Ohio. In the 1890s they developed an interest in flying which led them to study the experiments of gliding pioneers such as Otto Lilienthal in Germany, and their fellow American Octave Chanute. The Wrights were very methodical and tackled the many problems stage by stage. First, they developed a method of controlling a glider using movable control surfaces, instead of weight-shifting as used in the early hand-gliders. They built a wind tunnel to test their wing sections and by 1902 they had produced a controllable glider. Next they needed a petrol engine, and when they could not find one to suit their needs they designed and built one themselves.
    On 17 December 1903 their Flyer was ready and Orville made the first short flight of 12 seconds; Wilbur followed with a 59-second flight covering 853 ft (260 m). An improved design, Flyer II, followed in 1904 and made about eighty flights, including circuits and simple ma-noeuvres. In 1905 Flyer III made several long flights, including one of 38 minutes covering 24½ miles (39 km). Most of the Wrights' flying was carried out in secret to protect their patents, so their achievements received little publicity. For a period of two and a half years they did not fly, but they worked to improve their Flyer and to negotiate terms for the sale of their invention to various governments and commercial syndi-cates.
    In 1908 the Wright Model A appeared, and when Wilbur demonstrated it in France he astounded the European aviators by making several flights lasting more than one hour and one of 2 hours 20 minutes. Considerable numbers of the Model A were built, but the European designers rapidly caught up and overtook the Wrights. The Wright brothers became involved in several legal battles to protect their patents: one of these, with Glenn Curtiss, went on for many years. Wilbur died of typhoid fever in 1912. Orville sold his interest in the Wright Company in 1915, but retained an interest in aeronautical research and lived on to see an aeroplane fly faster than the speed of sound.
    [br]
    Principal Honours and Distinctions
    Royal Aeronautical Society (London) Gold Medal (awarded to both Wilbur and Orville) May 1909. Medals from the Aero Club of America, Congress, Ohio State and the City of Dayton.
    Bibliography
    1951, Miracle at Kitty Hawk. The Letters of Wilbur \& Orville Wright, ed. F.C.Kelly, New York.
    1953, The Papers of Wilbur and Orville Wright, ed. Marvin W.McFarland, 2 vols, New York.
    Orville Wright, 1953, How We Invented the Aeroplane, ed. F.C.Kelly, New York.
    Further Reading
    A.G.Renstrom, 1968, Wilbur \& Orville Wright. A Bibliography, Washington, DC (with 2,055 entries).
    C.H.Gibbs-Smith, 1963, The Wright Brothers, London (reprint) (a concise account).
    J.L.Pritchard, 1953, The Wright Brothers', Journal of the Royal Aeronautical Society (December) (includes much documentary material).
    F.C.Kelly, 1943, The Wright Brothers, New York (reprint) (authorized by Orville Wright).
    H.B.Combs with M.Caidin, 1980, Kill Devil Hill, London (contains more technical information).
    T.D.Crouch, 1989, The Bishop's Boys: A Life of Wilbur \& Orville Wright, New York (perhaps the best of various subsequent biographies).
    JDS

    Biographical history of technology > Wright, Wilbur

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