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1 regular observations
Англо-русский гидрогеологический словарь > regular observations
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2 routine service of regular observations of the ice situation in the North Atlantic
Универсальный англо-русский словарь > routine service of regular observations of the ice situation in the North Atlantic
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3 observations
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4 служба наблюдений за льдами в Северной Атлантике
Универсальный русско-английский словарь > служба наблюдений за льдами в Северной Атлантике
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5 ни в какое сравнение не идет с
But such information cannot be compared to the results that may be obtained by regular observations by scientists on board orbital stations.Русско-английский словарь по космонавтике > ни в какое сравнение не идет с
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6 постоянный
[син. неизменный; непрерывный; периодический, регулярный; стабильный]But such information cannot be compared to the results that may be obtained by regular observations by scientists on board orbital stations.To ensure constant effective operation of the solar cells the spacecraft is spin-stabilized at a rate of several degrees per minute. -
7 común
adj.1 common, average, ordinary, commonplace.2 common, regular, everyday, usual.3 common, joint, general, group.* * *► adjetivo1 (gen) common2 (compartido) shared, communal3 (amigos) mutual1 the community1 PLÍTICA the Commons\fuera de lo común out of the ordinaryhacer algo en común to do something jointlypor lo común generallybien común common goodel común de la gente the majority of people* * *adj.* * *1. ADJ1) (=compartido) [afición, intereses] common; [amigo] mutualtienen una serie de características comunes — they share a series of features, they have a series of common features o features in common
•
común a algn/algo — common to sb/sthlo común a todas las democracias — what all democracies share in common, a feature common to all democracies
2) (=colectivo) [causa, frente, espacio] common; [gastos] communal•
tener algo en común — to have sth in commonsu pasión por el fútbol es lo único que tienen en común — their passion for football is all they have in common
acuerdo 1), bien 4., 2), denominador, fosa, lugar 1), mercado, sentido 2., 1), b)•
hacer algo en común — to do sth together3) (=frecuente) [enfermedad, opinión] common, widespread; [costumbre] widespread; [cualidad] common, ordinary•
fuera de lo común — exceptional, extraordinarytiene una voz única, algo fuera de lo común — she has a unique voice, quite exceptional o extraordinary
delincuente, nombre 2)•
por lo común — as a rule4) Esp (Educ) [asignatura] core2. SM1)el común de los mortales — ordinary mortals, any ordinary person
2) * (=retrete) toilet, bathroom3) (Pol) [en el Reino Unido]* * *1)a) <intereses/características> common (before n); < amigo> mutualb) (en locs)en común: no tenemos nada en común we have nothing in common; una cuenta bancaria en común a joint bank account; le hicimos un regalo en común we gave her a joint present; hicieron el trabajo en común they did the work together; no está acostumbrada a la vida en común con otras personas — she is not used to living with other people
2) (corriente, frecuente) commoncomún y corriente — (normal, nada especial) ordinary; < expresión> common
es una casa común y corriente — it's just an ordinary house, the house is nothing special
* * *= commonplace, common [commoner -comp., commonest -sup.], popular, run-of-the-mill, shared, standard, ubiquitous, collective, crosscutting [cross cutting], pooled, concerted, everyday, pervading, ordinary, communal, prosaic.Ex. Microfilm and microfiche formats are now commonplace in most libraries.Ex. When the cataloguer turns to the description of a piece of music a common problem will be the absence of a title page to be used as the chief source of information.Ex. Although the fifteenth edition met with some success, it was not generally popular.Ex. Guides are almost always worth thinking of as the first type of bibliography to search when it is a quick check of run-of-the-mill bibliographical facts which is required.Ex. A work of shared responsibility is one where the work has arisen from collaboration between two or more persons or corporative bodies.Ex. Photographs are normally kept in drawers of standard filing cabinets, with folders or pockets, or both.Ex. Worldwide, however, the printed book is still the most ubiquitous source of record = Sin embargo, el libro impreso es aún en todo el mundo la fuente de información escrita más común.Ex. 'I'm really not trying to put anyone on the spot and, frankly, I'm not too surprised and only a little disappointed at your collective ignorance,' he commented.Ex. The plan comprises over twenty projects addressing the partnership's three priority themes -- access, empowerment and governance -- and four crosscutting issues -- youth, the media, gender and local (community-based) knowledge.Ex. A group of 64 libraries realised substantial cost reductions by joining in a pooled fund to self-insure for unemployment compensation.Ex. There is an obvious need for a concerted and deliberate study of US information policy-making.Ex. We have too much invested, and the new systems too intimately integrated into the everyday operation of the library, for us to assume any longer that we can temper their influence on emerging standards.Ex. While not addressing specific issues the rejoinder focuses on a few pervading themes.Ex. Control is exercised over which terms are used, but otherwise the terms are ordinary words.Ex. Excavation in Qumran suggests that the people were organised on a highly communal basis and adept in the art of pottery and bookmaking.Ex. Take the prosaic problem of the great department store.----* aura común = turkey vulture.* auxiliar común = common auxiliary.* bien común, el = common good, the, common wealth, the.* calderón común = pilot whale.* Cámara de los Comunes, la = House of Commons, the.* comunidad de prácticas comunes = community of practice.* común, lo = standard practice, the.* común y corriente = unremarkable.* crear un fondo común de conocimientos = pool + knowledge.* crear un fondo común de experiencias profesionales = pool + expertise.* creencia común = common belief.* demasiado poco común = all too rare.* Denominación Común de Productos Industriales (NIPRO) = Common Nomenclature of Industrial Products (NIPRO).* denominador común = common thread.* en común con = in common with.* encontrar cosas comunes = find + common ground.* enfermedad poco común = rare disease.* espacio público común = commons.* experiencia profesional común = pool of expertise.* faceta común = common facet.* fondo común de conocimientos = pool of knowledge, pool of expertise.* fondo común de inversión = mutual fund.* fosa común = mass grave.* fuera de lo común = eccentric, odd, unordinary, out of the ordinary, a cut above the rest, a cut above.* gente común, la = ordinary people, common people, the.* gente común y corriente, la = common people, the.* hacer un frente común = stand up as + one.* harina común = all-purpose flour, plain flour.* interés común = shared interest.* intereses comunes = community of interest.* lechuza común = barn owl.* Lenguaje Común de Instrucción de EURONET = EURONET Common Command Language.* lo poco común = rarity, rareness.* lugar común de alimentación = feeding ground.* lugar común de encuentro = meeting ground.* más común = mainstream.* Mercado Común, el = Common Market, the.* nombre común = common name.* normas comunes = standard practices.* palabra común = common word.* persona común = ordinary person.* poco común = rare, unfamiliar, unusual, uncommon, unordinary, out of the ordinary.* práctica común = common practice.* práctica común, la = normal pattern, the.* proyecto en común = joint effort.* puntos comunes = common ground.* que era común anteriormente = once-common.* que fue común antes = once-common.* qué poco común = how odd.* resfriado común, el = common cold, the.* rorcual común = fin whale.* salón común = common room.* sentido común = common sense, good judgement, judgement [judgment], good sense.* ser algo común = be a fact of life, dominate + the scene, become + a common feature, be a part of life.* ser algo poco común = be the exception rather than the rule.* ser común = be the case (with).* ser demasiado común = be all too common.* subdivisión común = common subdivision.* subencabezamiento común = free-floating subdivision.* tener Algo en común = have + Nombre + in common, share + Nombre + in common.* tener características en común = share + similarities.* tener cosas en común = share + common ground.* tener en común = hold in + common, tread + common ground.* título común = common title.* trabajar en común = interwork, pull together.* trabajo en común = interworking.* * *1)a) <intereses/características> common (before n); < amigo> mutualb) (en locs)en común: no tenemos nada en común we have nothing in common; una cuenta bancaria en común a joint bank account; le hicimos un regalo en común we gave her a joint present; hicieron el trabajo en común they did the work together; no está acostumbrada a la vida en común con otras personas — she is not used to living with other people
2) (corriente, frecuente) commoncomún y corriente — (normal, nada especial) ordinary; < expresión> common
es una casa común y corriente — it's just an ordinary house, the house is nothing special
* * *= commonplace, common [commoner -comp., commonest -sup.], popular, run-of-the-mill, shared, standard, ubiquitous, collective, crosscutting [cross cutting], pooled, concerted, everyday, pervading, ordinary, communal, prosaic.Ex: Microfilm and microfiche formats are now commonplace in most libraries.
Ex: When the cataloguer turns to the description of a piece of music a common problem will be the absence of a title page to be used as the chief source of information.Ex: Although the fifteenth edition met with some success, it was not generally popular.Ex: Guides are almost always worth thinking of as the first type of bibliography to search when it is a quick check of run-of-the-mill bibliographical facts which is required.Ex: A work of shared responsibility is one where the work has arisen from collaboration between two or more persons or corporative bodies.Ex: Photographs are normally kept in drawers of standard filing cabinets, with folders or pockets, or both.Ex: Worldwide, however, the printed book is still the most ubiquitous source of record = Sin embargo, el libro impreso es aún en todo el mundo la fuente de información escrita más común.Ex: 'I'm really not trying to put anyone on the spot and, frankly, I'm not too surprised and only a little disappointed at your collective ignorance,' he commented.Ex: The plan comprises over twenty projects addressing the partnership's three priority themes -- access, empowerment and governance -- and four crosscutting issues -- youth, the media, gender and local (community-based) knowledge.Ex: A group of 64 libraries realised substantial cost reductions by joining in a pooled fund to self-insure for unemployment compensation.Ex: There is an obvious need for a concerted and deliberate study of US information policy-making.Ex: We have too much invested, and the new systems too intimately integrated into the everyday operation of the library, for us to assume any longer that we can temper their influence on emerging standards.Ex: While not addressing specific issues the rejoinder focuses on a few pervading themes.Ex: Control is exercised over which terms are used, but otherwise the terms are ordinary words.Ex: Excavation in Qumran suggests that the people were organised on a highly communal basis and adept in the art of pottery and bookmaking.Ex: Take the prosaic problem of the great department store.* aura común = turkey vulture.* auxiliar común = common auxiliary.* bien común, el = common good, the, common wealth, the.* calderón común = pilot whale.* Cámara de los Comunes, la = House of Commons, the.* comunidad de prácticas comunes = community of practice.* común, lo = standard practice, the.* común y corriente = unremarkable.* crear un fondo común de conocimientos = pool + knowledge.* crear un fondo común de experiencias profesionales = pool + expertise.* creencia común = common belief.* demasiado poco común = all too rare.* Denominación Común de Productos Industriales (NIPRO) = Common Nomenclature of Industrial Products (NIPRO).* denominador común = common thread.* en común con = in common with.* encontrar cosas comunes = find + common ground.* enfermedad poco común = rare disease.* espacio público común = commons.* experiencia profesional común = pool of expertise.* faceta común = common facet.* fondo común de conocimientos = pool of knowledge, pool of expertise.* fondo común de inversión = mutual fund.* fosa común = mass grave.* fuera de lo común = eccentric, odd, unordinary, out of the ordinary, a cut above the rest, a cut above.* gente común, la = ordinary people, common people, the.* gente común y corriente, la = common people, the.* hacer un frente común = stand up as + one.* harina común = all-purpose flour, plain flour.* interés común = shared interest.* intereses comunes = community of interest.* lechuza común = barn owl.* Lenguaje Común de Instrucción de EURONET = EURONET Common Command Language.* lo poco común = rarity, rareness.* lugar común de alimentación = feeding ground.* lugar común de encuentro = meeting ground.* más común = mainstream.* Mercado Común, el = Common Market, the.* nombre común = common name.* normas comunes = standard practices.* palabra común = common word.* persona común = ordinary person.* poco común = rare, unfamiliar, unusual, uncommon, unordinary, out of the ordinary.* práctica común = common practice.* práctica común, la = normal pattern, the.* proyecto en común = joint effort.* puntos comunes = common ground.* que era común anteriormente = once-common.* que fue común antes = once-common.* qué poco común = how odd.* resfriado común, el = common cold, the.* rorcual común = fin whale.* salón común = common room.* sentido común = common sense, good judgement, judgement [judgment], good sense.* ser algo común = be a fact of life, dominate + the scene, become + a common feature, be a part of life.* ser algo poco común = be the exception rather than the rule.* ser común = be the case (with).* ser demasiado común = be all too common.* subdivisión común = common subdivision.* subencabezamiento común = free-floating subdivision.* tener Algo en común = have + Nombre + in common, share + Nombre + in common.* tener características en común = share + similarities.* tener cosas en común = share + common ground.* tener en común = hold in + common, tread + common ground.* título común = common title.* trabajar en común = interwork, pull together.* trabajo en común = interworking.* * *A1 ‹intereses/características› common ( before n); ‹amigo› mutualtrabajar por el bien común/un objetivo común to work for the common good/a common objectivecaracterísticas comunes a toda la especie characteristics common to o shared by the whole speciesun sentimiento común a todos los hombres a sentiment shared by all mankind2 ( en locs):de común acuerdo by common consentlo decidimos de común acuerdo ( frml); it was decided by common agreement o consentse separaron de común acuerdo they separated by mutual agreement o common consentla decisión fue tomada de común acuerdo con nuestros aliados the decision was taken in agreement o ( frml) in concert with our alliesen común: tienen una cuenta bancaria en común they have a joint bank accountle hicimos un regalo en común we gave her a joint presentno tengo nada en común con él I have nothing in common with himno está acostumbrada a la vida en común con otras personas she is not used to living with other people o to communal livingB (corriente, frecuente) commonJuan Gómez es un nombre muy común Juan Gómez is a very common nameun modelo fuera de lo común a very unusual modelno es común que un niño sepa leer a esa edad it is unusual for a child to be able to read at that agees común que haya inundaciones en esta zona flooding is frequent o common in this areatiene una inteligencia poco común she is unusually intelligentpor lo común as a ruleuna blusa común y silvestre a fairly ordinary blousemurió como el común de los mortales he died just like any common mortal o ordinary person* * *
común adjetivo
‹ amigo› mutualb) ( en locs)
de común acuerdo con algn in agreement with sb;
en común ‹esfuerzo/regalo› joint ( before n);
no tenemos nada en común we have nothing in common
un modelo fuera de lo común a very unusual model;
común y corriente (normal, nada especial) ordinary
común
I adjetivo
1 (frecuente) common, usual: es poco común, it's unusual
2 (ordinario, corriente) ordinary
3 (compartido) shared, communal: nos une un interés común, we are united by a common interest
II sustantivo masculino GB Pol los Comunes, the Commons
♦ Locuciones: de común acuerdo, by common consent
en común, (conjuntamente) hacer algo en común, to do sthg jointly
(característica compartida) tienen varios rasgos en común, they have several characteristics in common
por lo común, generally
' común' also found in these entries:
Spanish:
acuerdo
- baja
- bajo
- cabeza
- contraponer
- convivencia
- corriente
- dato
- denominador
- despertarse
- fondo
- fosa
- irse
- juicio
- llevar
- múltipla
- múltiplo
- permitirse
- rara
- raro
- sentar
- sentida
- sentido
- soler
- tela
- tópica
- tópico
- única
- único
- uniforme
- unitaria
- unitario
- vista
- visto
- vulgar
- delincuente
- imponer
- mercado
- norma
- peculiar
- rareza
- tino
English:
appeal
- base
- cause
- common
- common denominator
- common sense
- commonplace
- crane
- cure
- deserve
- enjoy
- gumption
- in
- intend
- iota
- jointly
- kitty
- mass grave
- modicum
- mutual
- ordinary
- original
- partnership
- pool
- prevalent
- rank
- reason
- run-of-the-mill
- sense
- stand out
- uncommon
- unusual
- cliché
- communal
- consent
- garden
- house
- lowest common denominator
- ounce
- plain
- platitude
- rarity
- run
- share
* * *♦ adj1. [compartido] [amigo, interés] mutual;[bienes, pastos] communal;el bien común the common good;el motociclismo es nuestra afición común we both like motorcycling;¿cómo llevan la vida en común? how are they finding living together?;hacer algo en común to do sth together;hacer algo de común acuerdo to do sth by mutual consent o agreement;es un rasgo común a todos los reptiles it's a characteristic shared by o common to all reptiles;pusimos nuestros recursos en común we pooled our resources;realizaron una puesta en común de lo observado they pooled their observations;tener algo en común to have sth in common;no tengo nada en común con ella I have nothing in common with her2. [habitual, normal] common;una enfermedad muy común en regiones tropicales a disease very common in tropical regions;es común que llueva en primavera it's normal for it to rain in spring, it often rains in spring;fuera de lo común out of the ordinary;poco común unusual;por lo común generally;es una persona común y corriente he's a perfectly ordinary person3. [ordinario, vulgar] ordinary, average;un vino común an average o ordinary wine;una madera común a common type of wood♦ nmcomo el común de los mortales like any ordinary person o common mortal* * *I adj common;poco común unusual, rare;por lo común generally;en común in common;tener algo en común have sth in commonII m:el común de las gentes the common man* * *1) : common2)común y corriente : ordinary, regular3)por lo común : generally, as a rule* * *común adj1. (en general) commonel naranjo es un árbol muy común en la zona mediterránea orange trees are very common in the Mediterranean area2. (compartido) shared -
8 report
1. n1) доклад; отчет2) сообщение; сводка; репортаж•to address report (to) — направлять доклад / отчет (кому-л.)
to adopt report — одобрять / утверждать доклад
to approve report — одобрять / утверждать доклад
to bring the report up-to-date — включать в доклад самые последние сведения / данные; пополнять доклад новыми данными; обновлять содержание доклада
to carry report — помещать сообщение ( в газете), передавать сообщение ( по радио или телевидению)
to complete / to conclude a report — заканчивать доклад / сообщение
to consider a report — рассматривать доклад / отчет
to contest a report — оспаривать какое-л. сообщение
to deliver report — выступать с докладом; делать доклад
to draw up a report — готовить / составлять доклад
to finalize a report — завершать / окончательно оформлять доклад
to forward a report to smb — направлять доклад / отчет кому-л.
to give a report on smth — делать отчет о чем-л.
to include smth in a report — включать / заносить что-л. в доклад
to issue a report — опубликовывать / обнародовать доклад
to keep a report under lock and key to prevent leaks — держать доклад за семью замками во избежание утечки информации
to leak a report to the press — давать "утечку" сообщения прессе, "сливать" сообщение в прессу
to make a report — выступать с докладом; делать доклад
to make a report "Restricted" — относить отчет к категории материалов "для служебного пользования"
to make comments on a report — комментировать доклад; делать комментарий / критические замечания к докладу
to mention smth in a report — упоминать / констатировать / отмечать что-л. в докладе
to prepare a report — готовить / составлять доклад
to present a report (to smb) — представлять доклад (кому-л.)
to release a report — опубликовывать / обнародовать доклад
to submit a report for smb's consideration — представлять доклад на рассмотрение кому-л.
- accounting reportto unveil a report — опубликовывать / обнародовать доклад
- accurate report
- administrative report
- analytical progress report
- annual report
- army report
- authenticated report
- background report
- basic theses of report
- bimonthly reports
- brief outline report
- circumstantial report
- conflicting report
- confused report
- confusing report
- congressional report
- consolidated report
- contradictory reports
- debate on report
- declassification of report
- derestriction of report
- detailed report
- discussion of report
- documentary report
- draft report
- efficiency report
- expert's report
- eyewitness report
- factual report
- false report
- favorable report
- feasibility report
- final report
- financial report
- fresh report
- full report
- general report
- heads of report
- independent confirmation of report
- in-depth report
- information report
- initial report
- intelligence report
- interim report
- intermittent reports
- interview report
- joint report
- leaked report
- leave report
- liaison report
- majority report
- market report
- material balance report
- medical report
- minority report
- mission report
- monthly report
- news report
- nil report
- observations on report
- official report
- on-the-spot report
- optimistic report
- periodic report
- political report
- preliminary report
- premature report
- press report
- progress report
- provisional report
- quarterly report
- regular reports
- report cleared by censors
- report just in
- report just out
- report of the Secretary General
- report on the management
- reports are consistent with other evidence
- reports come from reliable sources
- reports filter out that...
- reports filter through that...
- reports quoting Lebanese sources
- reports reaching here
- reports say that...
- routine weather report
- secret report
- shorthand report
- six-monthly report
- special report
- statistical report
- substantive report
- summary report
- supplementary report
- terminal report
- travel expense report
- uncensored report
- unconfirmed report
- United Nations report
- unjust report
- unofficial report
- unverified report
- upcoming report
- updated report
- veracity of report
- verbatim report
- well founded report 2. vдокладывать; сообщать; представлять отчетto report back to smb — отчитываться перед кем-л., докладывать результаты
to report for a country — быть журналистом какой-л. страны
to report for a newspaper from a country — быть корреспондентом газеты в какой-л. стране
to report on smth — сообщать о чем-л.
to report personally to President — подчиняться / докладывать лично президенту
- the republic is reported back to normalto report to one's government — делать доклад / докладывать результаты своему правительству
-
9 matrix
1) мат. матрица || матричный2) форма, шаблон4) растр5) решётка6) таблица7) геол. материнская порода, основная масса ( породы)8) основа кристаллического вещества; кристаллическая решётка•- absolutely equivalent matrices - adjoint matrices - almost perfect matrix - almost periodic matrix - almost superdiagonal matrix - associative matrix - birth-death coefficient matrix - cocycle matrix - commutative matrix - commute matrices - commuting matrix - complex conjugate matrix - compound matrix - conjunctive matrices - consistently ordered matrix - constituent matrices - deficient matrix - doubly degenerated matrix - doubly stochastic matrix - encoding matrix - essentially positive matrix - magnetic core matrix - matrix of linear transformation - multiplicatively cogredient matrix - multiply degenerate matrix - mutually consistent matrices - nearly triangular matrix - negatively semidefinite matrix - nonnegatively semidefinite matrix - orthogonally similar matrices - positively definite matrix - positively semidefinite matrix - regularly partitioned matrix - strictly upper triangular matrix - strongly equivalent matrices - totally nonnegative matrix - totally positive matrix - totally unimodular matrix - uniformly tapered matrix - vertex incidence matrix - vertically symmetrical matrix - weakly cyclic matrix -
10 sequence
1) очерёдность; порядок следования3) геол. стратиграфический разрез4) серия, комплекс•- absolutely divergent sequence - absolutely limited sequence - absolutely summable sequence - absolutely unbiased sequence - adjusted homology sequence - asymptotically convergent sequence - asymptotically isotropic sequence - asymptotically lattice sequence - compactly divergent sequence - completely reversible sequence - conditionally divergent sequence - decimal geometric sequence - delicately divergent sequence - discretely convergent sequence - essentially convergent sequence - essentially finite sequence - essentially periodic sequence - everywhere dense sequence - infinitely large sequence - infinitely proceeding sequence - infinitely small sequence - integral stationary sequence - inverse sequence - inverted sequence - linearly independent sequence - locally convergent sequence - metrically convergent sequence - metrically transitive sequence - monotonically decreasing sequence - monotonically increasing sequence - never increasing sequence - numerical sequence - projectively realizable sequence - properly divergent sequence - rapid acquisition sequence - rapidly decreasing sequence - rapidly increasing sequence - recursively defined sequence - recursively divergent sequence - recursively enumerable sequence - relatively compact sequence - sequence of prime numbers - sequence of principal indices - slowly decreasing sequence - slowly increasing sequence - slowly oscillating sequence - stochastically compact sequence - stochastically stable sequence - strictly increasing sequence - strictly measurable sequence - strictly monotonic sequence - strongly convergent sequence - strongly downward sequence - strongly stationary sequence - strongly summable sequence - totally increasing sequence - totally monotone sequence - two-taile sequence - two-way infinite sequence - unconditionally divergent sequence - uniformly divergent sequence - uniformly integrable sequence - weakly convergent sequence -
11 vector
1) вектор || векторный2) матем. матрица-столбец3) аэро пеленг•vector at the origin — вектор, проведённый из начала координат
vector to enter basis — вектор, вводимый в базис
vector to leave basis — вектор, исключаемый из базиса
- almost periodic vector - almost proper vector - antiholomorphic tangent vector - extreme vector - flux vector - magnetic displacement vector - normal curvature vector - normal unit vector - time-similar vector - translation vectorvector with unit length — единичный вектор; орт
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12 Burgi, Jost
SUBJECT AREA: Horology[br]b. 28 February 1552 Lichtensteig, Switzerlandd. 31 January 1632 Kassel, Germany[br]Swiss clockmaker and mathematician who invented the remontoire and the cross-beat escapement, also responsible for the use of exponential notation and the calculation of tables of anti-logarithms.[br]Burgi entered the service of Duke William IV of Hesse in 1579 as Court Clockmaker, although he also assisted William with his astronomical observations. In 1584 he invented the cross-beat escapement which increased the accuracy of spring-driven clocks by two orders of magnitude. During the last years of the century he also worked on the development of geometrical and astronomical instruments for the Royal Observatory at Kassel.On the death of Duke Wilhelm in 1603, and with news of his skills having reached the Holy Roman Emperor Rudolph II, in 1604 he went to Prague to become Imperial Watchmaker and to assist in the creation of a centre of scientific activity, subsequently becoming Assistant to the German astronomer, Johannes Kepler. No doubt this association led to an interest in mathematics and he made significant contributions to the concept of decimal fractions and the use of exponential notation, i.e. the use of a raised number to indicate powers of another number. It is likely that he was developing the idea of logarithms at the same time (or possibly even before) Napier, for in 1620 he made his greatest contribution to mathematics, science and, eventually, engineering, namely the publication of tables of anti-logarithms.At Prague he continued the series of accurate clocks and instruments for astronomical measurements that he had begun to produce at Kassel. At that period clocks were very poor timekeepers since the controller, the foliot or balance, had no natural period of oscillation and was consequently dependent on the driving force. Although the force of the driving weight was constant, irregularities occurred during the transmission of the power through the train as a result of the poor shape and quality of the gearing. Burgi attempted to overcome this directly by superb craftsmanship and indirectly by using a remontoire. This device was wound at regular intervals by the main driving force and fed the power directly to the escape wheel, which impulsed the foliot. He also introduced the crossbeat escapement (a variation on the verge), which consisted of two coupled foliots that swung in opposition to each other. According to contemporary evidence his clocks produced a remarkable improvement in timekeeping, being accurate to within a minute a day. This improvement was probably a result of the use of a remontoire and the high quality of the workmanship rather than a result of the cross-beat escapement, which did not have a natural period of oscillation.Burgi or Prague clocks, as they were known, were produced by very few other makers and were supplanted shortly afterwards by the intro-duction of the pendulum clock. Burgi also produced superb clockwork-driven celestial globes.[br]Principal Honours and DistinctionsEnnobled 1611.BibliographyBurgi only published one book, and that was concerned with mathematics.Further ReadingL.von Mackensen, 1979, Die erste Sternwarte Europas mit ihren Instrumenten and Uhren—400 Jahre Jost Burgi in Kassel, Munich.K.Maurice and O.Mayr (eds), 1980, The Clockwork Universe, Washington, DC, pp. 87– 102.H.A.Lloyd, 1958, Some Outstanding Clocks Over 700 Years, 1250–1950, London. E.T.Bell, 1937, Men of Mathematics, London: Victor Gollancz.See also: Briggs, HenryKF / DV
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