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1 credit
'kredit
1. noun1) (time allowed for payment of goods etc after they have been received: We don't give credit at this shop.) crédito2) (money loaned (by a bank).) crédito3) (trustworthiness regarding ability to pay for goods etc: Your credit is good.) solvencia4) ((an entry on) the side of an account on which payments received are entered: Our credits are greater than our debits.) haber5) (the sum of money which someone has in an account at a bank: Your credit amounts to 2,014 dollars.) saldo6) (belief or trust: This theory is gaining credit.) crédito, credibilidad7) ((American) a certificate to show that a student has completed a course which counts towards his degree.) crédito
2. verb1) (to enter (a sum of money) on the credit side (of an account): This cheque was credited to your account last month.) abonar, ingresar2) ((with with) to think of (a person or thing) as having: He was credited with magical powers.) atribuir3) (to believe (something) to be possible: Well, would you credit that!) creer•- creditably
- creditor
- credits
- credit card
- be a credit to someone
- be a credit to
- do someone credit
- do credit
- give someone credit for something
- give credit for something
- give someone credit
- give credit
- on credit
- take the credit for something
- take credit for something
- take the credit
- take credit
credit n1. mérito2. créditotr['kredɪt]1 (praise, approval) mérito, reconocimiento2 (cause of honour) honor nombre masculino3 (belief, trust, confidence) crédito4 SMALLFINANCE/SMALL (gen) crédito; (in accountancy) haber nombre masculino; (on statement) saldo acreedor5 SMALLEDUCATION/SMALL crédito1 (believe) creer, dar crédito a2 SMALLFINANCE/SMALL abonar, acreditar1 (of film, programme) ficha técnica\SMALLIDIOMATIC EXPRESSION/SMALLcredit where credit's due reconocimiento al mérito'No credit given' "No se fía"on credit a créditoto be a credit to somebody/something hacer honor a alguien/algo■ your son is a credit to you puede estar orgulloso de su hijo, su hijo le hace honorto be in credit tener saldo positivoto buy something on credit comprar algo a créditoto give somebody credit for something reconocer a alguien el mérito por algoto have something to one's credit tener algo a sus espaldasto somebody's credit dicho sea en honor de alguiento take credit for something atribuirse el mérito de algo■ his boss took all the credit for the slogan su jefe se atribuyó el mérito de haber ideado el eslogancredit account cuenta a créditocredit and debit debe y haber nombre masculinocredit balance saldo positivocredit card tarjeta de créditocredit note vale nombre masculino de devolucióncredit squeeze restricciones nombre femenino plural al créditocredit terms facilidades nombre femenino plural de pagointerest-free credit crédito sin interesescredit ['krɛdɪt] vt1) believe: creer, dar crédito a2) : ingresar, abonarto credit $100 to an account: ingresar $100 en (una) cuenta3) attribute: atribuirthey credit the invention to him: a él se le atribuye el inventocredit n1) : saldo m positivo, saldo m a favor (de una cuenta)2) : crédito mto buy on credit: comprar a créditocredit card: tarjeta de crédito3) credence: crédito mI gave credit to everything he said: di crédito a todo lo que dijo4) recognition: reconocimiento m5) : orgullo m, honor mshe's a credit to the school: ella es el orgullo de la escuelaadj.• crediticio, -a adj.n.• crédito s.m.• haber s.m.• mérito s.m.• precio s.m.v.• abonar v.• acreditar v.• creer v.• datar v.
I 'kredət, 'kredɪt1) ( Fin)a) u ( in store) crédito mon credit — a crédito; (before n)
credit account — (BrE) credicuenta f, cuenta f de or a crédito
b) u ( in banking)if your account is in credit... — si está en números negros..., si tiene fondos en su cuenta...
to keep one's account in credit — mantener* un saldo positivo; (before n)
credit balance — saldo m positivo
credit limit — límite m de crédito
credit memorandum o (BrE) note — ( given by store) vale m de devolución
credit rating — calificación f crediticia
c) c ( on balance sheet) saldo m acreedor or a favor2) u (honor, recognition) mérito mto her credit, she's very modest — dicho sea en su honor, es muy modesta
the results do credit to the school — los resultados hablan muy bien del colegio or (le) hacen honor al colegio
credit where it's due, she's a good cook — en honor a la verdad, hay que reconocer que cocina muy bien
3) c ( Educ)a) ( for study) crédito m ( unidad de valor de una asignatura dentro de un programa de estudios)b) ( grade) ≈notable m4) credits pl (Cin, TV, Video) créditos mpl, rótulos mpl (de crédito)
II
1) \<\<sum/funds\>\>to credit something TO something — abonar or ingresar algo en algo
2)a) ( ascribe to)to credit somebody WITH something/-ING: I'd credited you with more common sense te creía con más sentido común; please, credit me with some intelligence reconóceme algo de inteligencia, por favor; they are credited with having invented the game — se les atribuye la invención del juego
b) ( believe) creer*, dar* crédito a['kredɪt]can you credit it? — ¿te lo puedes creer?, ¿no te parece increíble?
1. N1) (Econ)a) (in account) (=positive balance)•
his account is in credit — su cuenta tiene saldo positivo or está en números negrosas long as you stay in credit or keep your account in credit — mientras pueda mantener un saldo positivo
letter 1., 2)•
you have £10 to your credit — tiene 10 libras en el haber, tiene un saldo a favor de 10 librasb) (for purchases) crédito mis his credit good? — ¿se le puede dar crédito sin riesgo?
•
to give sb credit — conceder un crédito a algn•
to buy sth on credit — comprar algo a crédito or a plazoscredit terms available — se vende a plazos, facilidades de pago
c) (Accounting) saldo m acreedor, saldo m positivo•
on the credit side — (lit) en el haber; (fig) entre los aspectos positivos2) (=honour) honor mhe's a credit to his family — es un orgullo para su familia, honra a su familia
•
it does you credit — dice mucho a tu favor, te honrawith a skill that would have done credit to an expert — con una habilidad que hubiera sido el orgullo de un experto
•
to his credit, I must point out that... — debo decir en su favor que...3) (=recognition) mérito m•
they deserve credit for not giving up — merecen que se les reconozca el mérito de no haberse rendido•
to get the credit (for sth) — llevarse el mérito (de algo)•
to give sb credit for (doing) sth — reconocer a algn el mérito de (haber hecho) algo•
to take the credit for (doing) sth — llevarse el mérito de (haber hecho) algo4) (=credence)•
I have to give some credit to his story — tengo que reconocer que su historia tiene algo de verdadshe has a long list of stage credits — cuenta con una larga lista de éxitos or logros en escena
6) (esp US) (Univ) (=award) crédito m, unidad f de valor académico2. VT1) (=believe) creer•
it's hard to credit that such things went on — es difícil de creer que pasaran cosas semejantes•
would you credit it! — ¡parece mentira!2) (=attribute)•
I credited him with more sense — le creía más sensatocredit me with some sense! — ¡no me tomes por idiota!
3) (Comm) [+ money, interest] abonar, ingresar•
the money was credited to his account — el dinero se abonó or se ingresó en su cuenta•
we credit you with the interest monthly — le abonamos or ingresamos el interés mensualmente3.CPDcredit account N — cuenta f de crédito
credit agency N — agencia f de créditos
credit balance N — saldo m acreedor, saldo m positivo
credit bureau N — (US) oficina f de crédito
credit card N — tarjeta f de crédito
credit control N — control m del crédito
credit crunch N — restricciones fpl al crédito
credit entry N — anotación f en el haber
credit facilities NPL — facilidades fpl de crédito
credit history N — [of person] historial m crediticio, informe m de solvencia
credit hour N — (US) ≈ hora f de crédito
credit limit N — límite m de crédito
credit line N — línea f de crédito
credit note N — nota f de crédito
credit rating N — clasificación f crediticia; (fig) credibilidad f
credit reference N — informe m de crédito
credit risk N —
•
to be a (bad)credit risk — presentar riesgo crediticio•
to be a good credit risk — no presentar riesgo crediticiocredit slip (US) N — comprobante m del crédito
credit squeeze N — restricciones fpl de crédito
credit transfer N — transferencia m
credit union N — cooperativa f de crédito
* * *
I ['kredət, 'kredɪt]1) ( Fin)a) u ( in store) crédito mon credit — a crédito; (before n)
credit account — (BrE) credicuenta f, cuenta f de or a crédito
b) u ( in banking)if your account is in credit... — si está en números negros..., si tiene fondos en su cuenta...
to keep one's account in credit — mantener* un saldo positivo; (before n)
credit balance — saldo m positivo
credit limit — límite m de crédito
credit memorandum o (BrE) note — ( given by store) vale m de devolución
credit rating — calificación f crediticia
c) c ( on balance sheet) saldo m acreedor or a favor2) u (honor, recognition) mérito mto her credit, she's very modest — dicho sea en su honor, es muy modesta
the results do credit to the school — los resultados hablan muy bien del colegio or (le) hacen honor al colegio
credit where it's due, she's a good cook — en honor a la verdad, hay que reconocer que cocina muy bien
3) c ( Educ)a) ( for study) crédito m ( unidad de valor de una asignatura dentro de un programa de estudios)b) ( grade) ≈notable m4) credits pl (Cin, TV, Video) créditos mpl, rótulos mpl (de crédito)
II
1) \<\<sum/funds\>\>to credit something TO something — abonar or ingresar algo en algo
2)a) ( ascribe to)to credit somebody WITH something/-ING: I'd credited you with more common sense te creía con más sentido común; please, credit me with some intelligence reconóceme algo de inteligencia, por favor; they are credited with having invented the game — se les atribuye la invención del juego
b) ( believe) creer*, dar* crédito acan you credit it? — ¿te lo puedes creer?, ¿no te parece increíble?
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2 credit
credit ['kredɪt]crédit ⇒ 1 (a) mérite ⇒ 1 (b) croyance ⇒ 1 (c) unité de valeur ⇒ 1 (d) créditer ⇒ 3 (a) supposer ⇒ 3 (b) croire ⇒ 3 (c) générique ⇒ 41 noun∎ he has £50 to his credit il a 50 livres sur son compte, il a un avoir de 50 livres;∎ to enter or to place a sum to sb's credit créditer le compte de qn d'une somme, porter une somme à l'actif de qn;∎ debit and credit débit m et crédit m;∎ to give sb credit, to give credit to sb (of bank) accorder un découvert à qn; (of shop, pub) faire crédit à qn;∎ to run a credit check on sb (to ensure enough money in account) vérifier la solvabilité de qn, vérifier que le compte de qn est approvisionné; (to ensure no record of bad debts) vérifier le passé bancaire de qn;∎ we do not give credit (sign) la maison ne fait pas crédit;∎ to sell/to buy/to live on credit vendre/acheter/vivre à crédit;∎ her credit is good elle a une bonne réputation de solvabilité; figurative (she is trustworthy) elle est digne de confiance;∎ figurative isn't my credit good any more? on ne me fait plus confiance?(b) (merit, honour) mérite m;∎ all the credit should go to the team tout le mérite doit revenir à l'équipe;∎ to take the credit for sth/doing sth s'attribuer le mérite de qch/d'avoir fait qch;∎ I can't take all the credit for it tout le mérite ne me revient pas;∎ to give sb the credit for sth/doing sth attribuer à qn le mérite de qch/d'avoir fait qch;∎ management got all the credit tout le mérite est revenu à la direction;∎ give her credit for what she has achieved reconnais ce qu'elle a accompli;∎ with credit (perform) honorablement;∎ nobody emerged with any credit except him c'est le seul qui s'en soit sorti à son honneur;∎ it must be said to his credit that… il faut dire en sa faveur que…;∎ to her credit she did finish the exam il faut lui accorder qu'elle a fini l'examen;∎ she has five novels to her credit elle a cinq romans à son actif;∎ to be a credit to one's family/school, to do one's family/school credit faire honneur à sa famille/son école, être l'honneur de sa famille/son école;∎ it does her (great) credit c'est tout à son honneur;∎ it does you credit that you gave the money back c'est tout à votre honneur d'avoir rendu l'argent;∎ give me SOME credit! je ne suis quand même pas si bête!;∎ credit where credit is due il faut reconnaître ce qui est(c) (credence) croyance f;∎ to give credit to sb/sth ajouter foi à qn/qch;∎ to lend credit to sth accréditer qch, rendre qch plausible;∎ the theory is gaining credit cette théorie est de plus en plus acceptée;∎ he's cleverer than I gave him credit for il est plus intelligent que je le pensais ou supposais;∎ I gave you credit for more sense je vous supposais plus de bon sens;∎ I gave him credit for more sense than I perhaps should have done j'ai peut-être surestimé son bon sens(d) University unité f de valeur, UV f;∎ how many credits do you need? combien d'UV faut-il que tu aies?∎ to credit an account with £200, to credit £200 to an account créditer un compte de 200 livres∎ to credit sb with intelligence/tact/sense supposer de l'intelligence/du tact/du bon sens à qn;∎ I credited her with more sense je lui supposais plus de bon sens;∎ credit me with a bit more intelligence! tu serais gentil de ne pas sous-estimer mon intelligence!;∎ she is credited with being the first woman to attend medical school elle est considérée comme la première femme à avoir fait des études de médecine;∎ he is credited with the discovery of DNA on lui attribue la découverte de l'ADN∎ would you credit it! tu te rends compte!;∎ you wouldn't credit some of the things he's done tu n'en reviendrais pas si tu savais les choses qu'il a faites;∎ I could hardly credit it j'avais du mal à le croireCinema & Television générique mcredit advice avis m de crédit;credit agency institution f de crédit;credit agreement accord m ou convention f de crédit;credit bank banque f de crédit;credit broker courtier(ère) m,f en crédits ou en prêts;American credit bureau institution f de crédit;credit card carte f de crédit;∎ to pay by credit card payer avec une ou régler par carte de crédit;credit card fraud usage m frauduleux de cartes de crédit;credit card number numéro m de carte de crédit;credit card reader lecteur m de cartes;credit card transactions transactions fpl effectuées par carte de crédit;credit ceiling plafond m de crédit;Accountancy credit column colonne f créditrice;credit control (government restrictions) resserrement m ou encadrement m du crédit; (monitoring) surveillance m des crédits;credit controller contrôleur(euse) m,f du crédit;credit enquiry renseignements mpl de crédit, enquête f de solvabilité;credit entry Banking article m porté au crédit d'un compte; Accountancy écriture f au crédit;credit facilities facilités fpl de crédit;credit freeze blocage m du crédit;credit history profil m crédit;∎ to obtain information on sb's credit history établir des renseignements de solvabilité sur qn;credit institution établissement m de crédit;credit insurance assurance-crédit f;Accountancy credit item poste m créditeur;credit limit limite f ou plafond m de crédit;credit line British (loan) autorisation f de crédit; American (limit) limite f ou plafond m de crédit;credit management direction f des crédits;credit manager directeur(trice) m,f du crédit;credit margin marge f de crédit;credit memo bulletin m de versement;credit period délai m de crédit;credit rating (of person, company) degré m de solvabilité; (awarded by credit reference agency) notation f;credit rating agency agence f de notation;credit risk risque m de crédit;∎ to be a good/bad credit risk représenter un risque peu important/important;credit scoring = méthode d'évaluation de la solvabilité, crédit-scoring m;Accountancy credit side crédit m, avoir m;∎ figurative on the credit side, the proposed changes will cut costs les changements projetés auront l'avantage de réduire les coûts;∎ figurative on the credit side, he's a good cook il faut lui accorder qu'il cuisine bien;credit squeeze restriction f ou encadrement m du crédit;∎ there's a credit squeeze le crédit est restreint ou encadré;credit terms modalités fpl de crédit;Banking credit transfer virement m, transfert m (de compte à compte);American credit union société f ou caisse f de crédit;credit voucher chèque m de caisse -
3 credit
{'kredit}
I. 1. вяра, доверие
to give CREDIT to вярвам на
to lend CREDIT to правя да изглежда достоверен/правдоподобен, потвърждавам (слух и пр.)
2. доверие, влияние, уважение, престиж, добро име
to have CREDIT with someone имам влияние пред някого
3. уважение, признание, похвала, чест, заслуга
to give someone CREDIT for something признавам някому заслуга за нещо
I gave him CREDIT for more sense мислех го за по-умен
to take CREDIT to oneself приписвам си заслуга
to take no CREDIT for не се хваля с, не търся похвала за
be it said/it must be said to his CREDIT that прави му чест, че, в негова полза трябва да кажем, че
that is all to his CREDIT, it does him CREDIT, it reflects CREDIT on him прави му чест
to be a CREDIT to one's family/school, etc. чест/гордост съм за семейството/училището си и пр
4. фин. кредит, дълг, сума, записана на кредит, дясна/кредитна страна на счетоводна книга, актив
on CREDIT на кредит/вересия
long CREDIT дългосрочен кредит
letter of CREDIT кредитно писмо
to pay a sum to someone's CREDIT плащам сума на нечия сметка
his CREDIT is good той се ползува с доверие, има добро име
how much have I to my CREDIT? c каква сума разполагам? колко пари имам (в сметката си)
5. ам. удостоверение за завършен курс (в училище и пр.)
6. обик. рl кино, телев. имена на участвуващи във филм/предаване (и CREDIT titles)
II. 1. вярвам (на), приемам като достоверен
2. приписвам
to CREDIT someone with a quality вярвам, че някой има дадено качество
to CREDIT an invention to someone приписвам на някого изобретение
he has been wrongly CREDITed with this discovery това откритие погрешно се приписва на него
3. фин. to CREDIT a sum to someone, to CREDIT someone with a sum вписвам сума към кредитната страна/прихода на нечия сметка, кредитирам сума на някого* * *{'kredit} n 1. вяра, доверие; to give credit to вярвам на; to lend(2) {'kredit} v 1. вярвам (на), приемам като достоверен; 2. пр* * *чест; актив; вяра; вярвам; влияние; дълг; доверие; кредит;* * *1. be it said/it must be said to his credit that прави му чест, че, в негова полза трябва да кажем, че 2. he has been wrongly credited with this discovery това откритие погрешно се приписва на него 3. his credit is good той се ползува с доверие, има добро име 4. how much have i to my credit? c каква сума разполагам? колко пари имам (в сметката си) 5. i gave him credit for more sense мислех го за по-умен 6. i. вяра, доверие 7. ii. вярвам (на), приемам като достоверен 8. letter of credit кредитно писмо 9. long credit дългосрочен кредит 10. on credit на кредит/вересия 11. that is all to his credit, it does him credit, it reflects credit on him прави му чест 12. to be a credit to one's family/school, etc. чест/гордост съм за семейството/училището си и пр 13. to credit an invention to someone приписвам на някого изобретение 14. to credit someone with a quality вярвам, че някой има дадено качество 15. to give credit to вярвам на 16. to give someone credit for something признавам някому заслуга за нещо 17. to have credit with someone имам влияние пред някого 18. to lend credit to правя да изглежда достоверен/правдоподобен, потвърждавам (слух и пр.) 19. to pay a sum to someone's credit плащам сума на нечия сметка 20. to take credit to oneself приписвам си заслуга 21. to take no credit for не се хваля с, не търся похвала за 22. ам. удостоверение за завършен курс (в училище и пр.) 23. доверие, влияние, уважение, престиж, добро име 24. обик. pl кино, телев. имена на участвуващи във филм/предаване (и credit titles) 25. приписвам 26. уважение, признание, похвала, чест, заслуга 27. фин. to credit a sum to someone, to credit someone with a sum вписвам сума към кредитната страна/прихода на нечия сметка, кредитирам сума на някого 28. фин. кредит, дълг, сума, записана на кредит, дясна/кредитна страна на счетоводна книга, актив* * *credit[´kredit] I. n 1. търг. кредит; дълг; сума, записана на приход; дясната (кредитната) страна на счетоводна книга; актив; in \credit с положителен баланс (за сметка); on \credit на кредит, на вересия; long \credit дългосрочен кредит; letter of \credit кредитно писмо; to pay a sum to s.o.'s \credit внасям (плащам) сума на сметка на някого; his \credit is good той се ползва с доверие, има добър кредит; to have many achievements to o.'s \credit имам (отбелязал съм) много постижения; 2. уважение, признание; похвала, чест; заслуга; he got all the \credit for the discovery откритието беше признато за изцяло негова заслуга; to take \credit for ( doing) s.th. приписвам си заслуга за (че съм направил нещо); to acquit o.s. with \credit оправдавам доверие с чест; be it said ( it must be said) to his \credit за негова чест трябва да се каже; that is all to his \credit, it does him \credit, it reflects \credit on him това му прави чест; he is a \credit to his family той е чест за семейството си; 3. вяра, доверие; to give \credit вярвам на; to gain \credit спечелвам доверие, започват да ми вярват; 4. доверие, влияние, уважение; престиж, авторитет, добро име; a man of highest \credit човек с много добро име; to have \credit with s.o. имам влияние над някого; 5. бюджетна дванадесетинка; 6. удостоверение за завършен курс в учебно заведение; 7. pl (и \credit titles) списък с имената на актьорите, на директора и на снимачния екип на филм, телевизионна програма и др.; II. v 1. фин.: to \credit a sum to s.o., to \credit s.o. with a sum кредитирам сума на някого (някого със сума); вписвам сума към кредитната страна (прихода) на сметката на някого; 2. приписвам; to \credit s.o. with an achievement вярвам (мисля, смятам), че някой е постигнал нещо; they are \crediting science with power it does not possess приписват на науката власт, която тя не притежава; 3. вярвам, приемам за достоверен. -
4 Lundstrom, Johan E.
[br]fl. c. 1855 Sweden[br]Swedish scientist credited with the invention of the safety match, first produced in 1855.[br]Lundstrom's safety match replaced the friction match, popularly called the "strike-anywhere" match because all the ingredients for ignition were contained in the match head so that any abrasive surface would suffice for striking. These matches ignited easily, in fact too readily, so causing numerous accidents.It was Professor Anton von Schrötter's discovery of amorphous red phosphorus in 1845 that led to the invention of Lundstrom's safety match. The substance was much less dangerous to handle than the yellow phosphorus that was earlier in use and which had so badly damaged the health of match-factory workers who had to handle it.In Lundstrom's safety match the chemical constituents for ignition were divided between the match head and the striking surface of the matchbox, so markedly reducing the chances of spontaneous combustion. Lundstrom's patent mixtures were: Match-head: 32 parts potassium nitrate, 12 parts potassium bichromate, 32 parts red lead, 24 parts sulphide of antimony.Rubbing Surface: 8 parts red phosphorous, 9 parts sulphide of antimony.[br]Further ReadingW.T.O'Dea, 1964, Making Fire, London: Science Museum, HMSO (illustrated booklet).See also the Bryant \& May permanent exhibition in the Domestic Appliances Gallery of the Science Museum, London.DY -
5 Talbot, William Henry Fox
SUBJECT AREA: Photography, film and optics[br]b. 11 February 1800 Melbury, Englandd. 17 September 1877 Lacock, Wiltshire, England[br]English scientist, inventor of negative—positive photography and practicable photo engraving.[br]Educated at Harrow, where he first showed an interest in science, and at Cambridge, Talbot was an outstanding scholar and a formidable mathematician. He published over fifty scientific papers and took out twelve English patents. His interests outside the field of science were also wide and included Assyriology, etymology and the classics. He was briefly a Member of Parliament, but did not pursue a parliamentary career.Talbot's invention of photography arose out of his frustrating attempts to produce acceptable pencil sketches using popular artist's aids, the camera discura and camera lucida. From his experiments with the former he conceived the idea of placing on the screen a paper coated with silver salts so that the image would be captured chemically. During the spring of 1834 he made outline images of subjects such as leaves and flowers by placing them on sheets of sensitized paper and exposing them to sunlight. No camera was involved and the first images produced using an optical system were made with a solar microscope. It was only when he had devised a more sensitive paper that Talbot was able to make camera pictures; the earliest surviving camera negative dates from August 1835. From the beginning, Talbot noticed that the lights and shades of his images were reversed. During 1834 or 1835 he discovered that by placing this reversed image on another sheet of sensitized paper and again exposing it to sunlight, a picture was produced with lights and shades in the correct disposition. Talbot had discovered the basis of modern photography, the photographic negative, from which could be produced an unlimited number of positives. He did little further work until the announcement of Daguerre's process in 1839 prompted him to publish an account of his negative-positive process. Aware that his photogenic drawing process had many imperfections, Talbot plunged into further experiments and in September 1840, using a mixture incorporating a solution of gallic acid, discovered an invisible latent image that could be made visible by development. This improved calotype process dramatically shortened exposure times and allowed Talbot to take portraits. In 1841 he patented the process, an exercise that was later to cause controversy, and between 1844 and 1846 produced The Pencil of Nature, the world's first commercial photographically illustrated book.Concerned that some of his photographs were prone to fading, Talbot later began experiments to combine photography with printing and engraving. Using bichromated gelatine, he devised the first practicable method of photo engraving, which was patented as Photoglyphic engraving in October 1852. He later went on to use screens of gauze, muslin and finely powdered gum to break up the image into lines and dots, thus anticipating modern photomechanical processes.Talbot was described by contemporaries as the "Father of Photography" primarily in recognition of his discovery of the negative-positive process, but he also produced the first photomicrographs, took the first high-speed photographs with the aid of a spark from a Leyden jar, and is credited with proposing infra-red photography. He was a shy man and his misguided attempts to enforce his calotype patent made him many enemies. It was perhaps for this reason that he never received the formal recognition from the British nation that his family felt he deserved.[br]Principal Honours and DistinctionsFRS March 1831. Royal Society Rumford Medal 1842. Grand Médaille d'Honneur, L'Exposition Universelle, Paris, 1855. Honorary Doctorate of Laws, Edinburgh University, 1863.Bibliography1839, "Some account of the art of photographic drawing", Royal Society Proceedings 4:120–1; Phil. Mag., XIV, 1839, pp. 19–21.8 February 1841, British patent no. 8842 (calotype process).1844–6, The Pencil of Nature, 6 parts, London (Talbot'a account of his invention can be found in the introduction; there is a facsimile edn, with an intro. by Beamont Newhall, New York, 1968.Further ReadingH.J.P.Arnold, 1977, William Henry Fox Talbot, London.D.B.Thomas, 1964, The First Negatives, London (a lucid concise account of Talbot's photograph work).J.Ward and S.Stevenson, 1986, Printed Light, Edinburgh (an essay on Talbot's invention and its reception).H.Gernsheim and A.Gernsheim, 1977, The History of Photography, London (a wider picture of Talbot, based primarily on secondary sources).JWBiographical history of technology > Talbot, William Henry Fox
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6 Herschel, John Frederick William
SUBJECT AREA: Photography, film and optics[br]b. 7 March 1792 Slough, Englandd. 11 May 1871 Collingwood, England[br]English scientist who introduced "hypo" (thiosulphate) as a photographic fixative and discovered the blueprint process.[br]The only son of Sir William Herschel, the famous astronomer, John graduated from Cambridge in 1813 and went on to become a distinguished astronomer, mathematician and chemist. He left England in November 1833 to set up an observatory near Cape Town, South Africa, where he embarked on a study of the heavens in the southern hemisphere. He returned to England in the spring of 1838, and between 1850 and 1855 Herschel served as Master of the Royal Mint. He made several notable contributions to photography, perhaps the most important being his discovery in 1819 that hyposulphites (thiosulphates) would dissolve silver salts. He brought this property to the attention of W.H.F. Talbot, who in 1839 was using a common salt solution as a fixing agent for his early photographs. After trials, Talbot adopted "hypo", which was a far more effective fixative. It was soon adopted by other photographers and eventually became the standard photographic fixative, as it still is in the 1990s. After hearing of the first photographic process in January 1839, Herschel devised his own process within a week. In September 1839 he made the first photograph on glass. He is credited with introducing the words "positive", "negative" and "snapshot" to photography, and in 1842 he invented the cyanotype or "blueprint" process. This process was later to be widely adopted by engineers and architects for the reproduction of plans and technical drawings, a practice abandoned only in the late twentieth century.[br]Principal Honours and DistinctionsKnight of the Royal Hanoverian Guelphic Order 1831. Baronet 1838. FRS 1813. Copley Medal 1821.Further ReadingDictionary of National Biography, 1968, Vol. IX, pp. 714–19.H.J.P.Arnold, 1977, William Henry Fox Talbot, London; Larry J.Schaaf, 1992, Out of the Shadows: Herschel, Talbot and the Invention of Photography, Newhaven and London (for details of his contributions to photography and his relationship with Talbot).JWBiographical history of technology > Herschel, John Frederick William
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