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Methods Development and Quality

  • 1 Methods Development and Quality

    Ecology: MDQAL

    Универсальный русско-английский словарь > Methods Development and Quality

  • 2 MDQAL

    Methods Development and Quality Research Laboratory — Лаборатория по разработке методов и изучению качества (EPA, США)

    Англо-русский словарь промышленной и научной лексики > MDQAL

  • 3 MDQRL

    Methods Development and Quality Research Laboratory — Лаборатория по разработке методов и изучению качества, США

    Англо-русский словарь промышленной и научной лексики > MDQRL

  • 4 Лаборатория разработки методов и изучения качества

    Универсальный русско-английский словарь > Лаборатория разработки методов и изучения качества

  • 5 Welte, Edwin

    SUBJECT AREA: Recording
    [br]
    b. 1876 Germany
    d. after 1925
    [br]
    German instrument maker who developed piano-music recording methods for reproducing pianos.
    [br]
    He was the third generation of the Freiburg (Germany) firm of M.Welte \& Soehne, music box and orchestrion manufacturers, founded in 1832, and was made a partner in 1901. He was the driving force behind the development and refinement of the reproducing piano, which had an upper-class market from 1905 to c. 1925. With his partner and brother-in-law Karl Bockisch, he also developed recording methods that made it possible to distribute perforated paper rolls representing a reasonably accurate representation of the performance of famous soloists. This is a principle for recording and replay that is totally different from the mechanical recording principle, and at that time the quality was generally regarded as higher than that of mechanical reproduction. However, because of the possibilities of editing, the source value may be less certain. Welte's contribution was the first commercial use of a coded representation of live performances. The Welte patents were licensed to several other player-piano manufacturers.
    [br]
    Bibliography
    German patent no. 162,708 (controlling the dynamics of reproduction).
    Further Reading
    Q.D.Bowers, 1972, Encyclopedia of Automatic Musical Instruments, New York: Vestal Press, pp. 319–38 (a good if somewhat uneven account of the Welte involvement in the reproduction of recorded sound).
    GB-N

    Biographical history of technology > Welte, Edwin

  • 6 contexto

    m.
    context.
    * * *
    1 context
    2 figurado environment
    * * *
    noun m.
    * * *
    SM
    1) (=marco) context
    2) (Téc) web, tangle
    * * *
    masculino context
    * * *
    = context, Display, environment, scenario, setting, situation, milieu, sphere, set and setting, landscape, climate, environ.
    Ex. In this chapter a review of the development of cataloguing codes is given in order to explain and place in context the nature of modern cataloguing codes.
    Ex. This layout gives the lead term in the context of wider terms on the same line (the Qualifier) and narrower terms (the Display) on the second line.
    Ex. This document specifies methods of extending the 7-bit code, remaining in a 7-bit environment or increasing to an 8-bit environment.
    Ex. This article describes a scenario in which the training of junior staff on-the-job is discussed emphasising that the reality in New Zealand libraries falls far short of the ideal.
    Ex. Over 700 CRT terminals are online to Columbus and are used in a variety of ways to improve service in the local library settings.
    Ex. Even in this apparently straightforward situation, complications can arise.
    Ex. These are the kinds of problems that characteristically arise in the complex and continually changing milieu of libraries and media and information centers.
    Ex. I am not convinced that people become connoisseurs -- experts: educated and discriminating people in any sphere -- from limited knowledge and experience, no matter how rich in quality.
    Ex. For me a picture of myself in a dentist's waiting room is a perfect metaphor for set and setting very much in play against the easily obtained pleasures I usually get from reading.
    Ex. During the post-war period international organizations have become a prominent feature of the international landscape.
    Ex. The article 'Keeping your ear to the ground' discusses the skills and knowledge information professionals need to have in today's IT-rich climate.
    Ex. For example, the games themselves can act as a tool to educate social science students how to access and interact with unknown cultures within a safe environ.
    ----
    * ayuda sensible al contexto = context-sensitive help.
    * contexto actual, el = scheme of things, the.
    * contexto cultural = cultural context.
    * contexto económico = economic context.
    * contexto físico = atmospherics.
    * contexto histórico = historical context.
    * contexto político = political context.
    * contextos = sphere of activity, sphere of life.
    * contexto social = social context.
    * contexto sociocultural = sociocultural context.
    * contexto temático = subject context.
    * dependencia del contexto = situatedness.
    * dependiente del contexto = context-dependent.
    * desde el punto de vista del contexto = contextually.
    * encuadrar en un contexto = set in + context.
    * en el contexto de = in the realm of.
    * en este contexto = against this background.
    * en otros contextos = in other connections.
    * establecer el contexto = set + context.
    * índice KWIC (Palabra Clave en su Contexto) = KWIC (Keyword-in-Context).
    * índice KWOC (Palabra Clave fuera de su Contexto) = KWOC (Keyword-Out-of-Context).
    * limitado por el contexto = context-bound.
    * según el contexto = contextually.
    * ser una novedad en el contexto del que se está hablando = be a newcomer to the scene.
    * situar en contexto = place + in context.
    * situar en un contexto = bring into + context.
    * usar fuera de contexto = use + out of context.
    * * *
    masculino context
    * * *
    = context, Display, environment, scenario, setting, situation, milieu, sphere, set and setting, landscape, climate, environ.

    Ex: In this chapter a review of the development of cataloguing codes is given in order to explain and place in context the nature of modern cataloguing codes.

    Ex: This layout gives the lead term in the context of wider terms on the same line (the Qualifier) and narrower terms (the Display) on the second line.
    Ex: This document specifies methods of extending the 7-bit code, remaining in a 7-bit environment or increasing to an 8-bit environment.
    Ex: This article describes a scenario in which the training of junior staff on-the-job is discussed emphasising that the reality in New Zealand libraries falls far short of the ideal.
    Ex: Over 700 CRT terminals are online to Columbus and are used in a variety of ways to improve service in the local library settings.
    Ex: Even in this apparently straightforward situation, complications can arise.
    Ex: These are the kinds of problems that characteristically arise in the complex and continually changing milieu of libraries and media and information centers.
    Ex: I am not convinced that people become connoisseurs -- experts: educated and discriminating people in any sphere -- from limited knowledge and experience, no matter how rich in quality.
    Ex: For me a picture of myself in a dentist's waiting room is a perfect metaphor for set and setting very much in play against the easily obtained pleasures I usually get from reading.
    Ex: During the post-war period international organizations have become a prominent feature of the international landscape.
    Ex: The article 'Keeping your ear to the ground' discusses the skills and knowledge information professionals need to have in today's IT-rich climate.
    Ex: For example, the games themselves can act as a tool to educate social science students how to access and interact with unknown cultures within a safe environ.
    * ayuda sensible al contexto = context-sensitive help.
    * contexto actual, el = scheme of things, the.
    * contexto cultural = cultural context.
    * contexto económico = economic context.
    * contexto físico = atmospherics.
    * contexto histórico = historical context.
    * contexto político = political context.
    * contextos = sphere of activity, sphere of life.
    * contexto social = social context.
    * contexto sociocultural = sociocultural context.
    * contexto temático = subject context.
    * dependencia del contexto = situatedness.
    * dependiente del contexto = context-dependent.
    * desde el punto de vista del contexto = contextually.
    * encuadrar en un contexto = set in + context.
    * en el contexto de = in the realm of.
    * en este contexto = against this background.
    * en otros contextos = in other connections.
    * establecer el contexto = set + context.
    * índice KWIC (Palabra Clave en su Contexto) = KWIC (Keyword-in-Context).
    * índice KWOC (Palabra Clave fuera de su Contexto) = KWOC (Keyword-Out-of-Context).
    * limitado por el contexto = context-bound.
    * según el contexto = contextually.
    * ser una novedad en el contexto del que se está hablando = be a newcomer to the scene.
    * situar en contexto = place + in context.
    * situar en un contexto = bring into + context.
    * usar fuera de contexto = use + out of context.

    * * *
    1 (en un texto) context
    fuera de contexto out of context
    poner algo en contexto to put sth into context
    2 (marco, coyuntura) context
    * * *

    contexto sustantivo masculino
    context
    contexto sustantivo masculino context
    contexto sustantivo masculino context
    ' contexto' also found in these entries:
    Spanish:
    marco
    - mayoría
    - empezar
    English:
    context
    - must
    - set-up
    * * *
    1. [de texto] context
    2. [circunstancias] context;
    en/fuera de contexto in/out of context
    * * *
    m context;
    fuera de contexto out of context;
    sacar de contexto take out of context
    * * *
    : context
    * * *
    contexto n context

    Spanish-English dictionary > contexto

  • 7 evaluación

    f.
    1 evaluation, rating, review, assessment.
    2 evaluation, valuation, break-down.
    * * *
    1 evaluation, assessment
    2 EDUCACIÓN (acción) assessment; (examen) exam
    * * *
    noun f.
    evaluation, assessment
    * * *
    SF
    1) (=valoración) [de datos] evaluation; [de daños, pérdidas] assessment
    2) (Escol) (=acción) assessment; (=examen) test
    * * *
    a) (de daños, situación) assessment; (de datos, informes) evaluation, assessment
    b) (Educ) ( acción) assessment; (prueba, examen) test
    * * *
    = appraisal, assaying, assessing, assessment, evaluation, measurement, trial, rating, evaluation rating, post mortem [postmortem].
    Ex. The notice could contain the list of the poorest performers, based on the most recent set of appraisals.
    Ex. Suppose you have classified, by UDC, the document 'Select methods of metallurgical assaying', class number 669.9.
    Ex. Consequently, the skill of shopping around and assessing the cost-effectiveness of a supplier's goods and services is important for the librarian to develop.
    Ex. However, although the subject may be the primary consideration in the assessment of relevance, subject is not the only factor that determines whether a user wishes to be alerted to the existence of a document.
    Ex. There is an extensive theory of the evaluation of indexes and indexing, but regrettably there is not space to treat this topic at any length in this work.
    Ex. Here ' Measurement' is an action term, and so, the operator for an action term is assigned to ' Measurement'.
    Ex. The intention was to determine which department within each library has the responsibility for arranging trials of products.
    Ex. But the rater must not be afraid to give negative ratings.
    Ex. In order to make sure that no prejudice or bias influences an evaluation rating, the rating should be reviewed by the supervisor's supervisor -- the next person in the hierarchy.
    Ex. Survey research is used to determine what kind of post mortem appraisals companies undertake concerning their abandoned information systems development projects.
    ----
    * comisión de evaluación = review panel, review board.
    * comité de evaluación = review panel, review board, review committee.
    * de evaluación = evaluative.
    * estándar de evaluación = benchmark.
    * evaluación anónima = blind review.
    * evaluación comparativa = benchmarking.
    * evaluación continua = continuous assessment, formative evaluation.
    * evaluación crítica = critical evaluation.
    * evaluación cualitativa = qualitative evaluation.
    * evaluación cuantitativa = quantitative evaluation.
    * evaluación de la calidad = quality assessment.
    * evaluación de la colección = collection assessment, collection evaluation, collection analysis.
    * evaluación de la productividad = performance appraisal, performance review.
    * evaluación de la seguridad = safety evaluation.
    * evaluación de las necesidades económicas = means-testing, means test.
    * evaluación del avance realizado = progress evaluation.
    * evaluación del impacto en función del género = gender-impact assessment.
    * evaluación de los ingresos = means-testing, means test.
    * evaluación de los productos = product rating.
    * evaluación del personal = personnel evaluation.
    * evaluación del profesorado = faculty evaluation.
    * evaluación del rendimiento = performance appraisal, performance evaluation, performance measurement, performance review, performance rating.
    * evaluación de metales = metallurgical assaying.
    * evaluación de necesidades = needs assessment.
    * evaluación de procedimientos = process rating.
    * evaluación de procesos = process rating.
    * evaluación de productos = product rating.
    * evaluación de riesgos = risk assessment.
    * evaluación de sistemas = system(s) evaluation.
    * evaluación de usuario = user rating.
    * evaluación final = summative evaluation, final assessment.
    * evaluación iluminativa = illuminative evaluation.
    * evaluación interviniente = obtrusive evaluation.
    * evaluación intrusiva = obtrusive evaluation, obtrusive test.
    * evaluación no intrusiva = unobtrusive evaluation.
    * evaluación objetiva = objective evaluation.
    * evaluación por comparación = benchmarking.
    * evaluación por expertos = peer review, refereeing, peer reviewing.
    * evaluación por expertos abierta = open refereeing.
    * evaluación por expertos anónima = blind refereeing.
    * evaluación por pares = peer review, refereeing, peer reviewing.
    * evaluación por resultados obtenidos = outcomes assessment.
    * evaluación sin intervención del examinador = unobtrusive testing.
    * herramienta de evaluación = assessment tool, evaluation tool.
    * impreso de evaluación = evaluation form.
    * instrumento de evaluación = assessment tool, evaluation tool.
    * método de evaluación de un edificio en uso = post-occupancy evaluation method.
    * nueva evaluación = reappraisal.
    * para la evaluación de hipótesis = hypothesis-testing.
    * procedimiento de evaluación por expertos = refereeing procedure.
    * proceso de evaluación = review process, evaluation process.
    * realizar una evaluación = administer + evaluation.
    * sistema de evaluación = rating system.
    * sistema de evaluación anónima = double-blind.
    * sistema de evaluación por paresanónima = double-blind refereeing system.
    * someter a una evaluación por expertos doble = double referee.
    * test de evaluación = evaluative test.
    * * *
    a) (de daños, situación) assessment; (de datos, informes) evaluation, assessment
    b) (Educ) ( acción) assessment; (prueba, examen) test
    * * *
    = appraisal, assaying, assessing, assessment, evaluation, measurement, trial, rating, evaluation rating, post mortem [postmortem].

    Ex: The notice could contain the list of the poorest performers, based on the most recent set of appraisals.

    Ex: Suppose you have classified, by UDC, the document 'Select methods of metallurgical assaying', class number 669.9.
    Ex: Consequently, the skill of shopping around and assessing the cost-effectiveness of a supplier's goods and services is important for the librarian to develop.
    Ex: However, although the subject may be the primary consideration in the assessment of relevance, subject is not the only factor that determines whether a user wishes to be alerted to the existence of a document.
    Ex: There is an extensive theory of the evaluation of indexes and indexing, but regrettably there is not space to treat this topic at any length in this work.
    Ex: Here ' Measurement' is an action term, and so, the operator for an action term is assigned to ' Measurement'.
    Ex: The intention was to determine which department within each library has the responsibility for arranging trials of products.
    Ex: But the rater must not be afraid to give negative ratings.
    Ex: In order to make sure that no prejudice or bias influences an evaluation rating, the rating should be reviewed by the supervisor's supervisor -- the next person in the hierarchy.
    Ex: Survey research is used to determine what kind of post mortem appraisals companies undertake concerning their abandoned information systems development projects.
    * comisión de evaluación = review panel, review board.
    * comité de evaluación = review panel, review board, review committee.
    * de evaluación = evaluative.
    * estándar de evaluación = benchmark.
    * evaluación anónima = blind review.
    * evaluación comparativa = benchmarking.
    * evaluación continua = continuous assessment, formative evaluation.
    * evaluación crítica = critical evaluation.
    * evaluación cualitativa = qualitative evaluation.
    * evaluación cuantitativa = quantitative evaluation.
    * evaluación de la calidad = quality assessment.
    * evaluación de la colección = collection assessment, collection evaluation, collection analysis.
    * evaluación de la productividad = performance appraisal, performance review.
    * evaluación de la seguridad = safety evaluation.
    * evaluación de las necesidades económicas = means-testing, means test.
    * evaluación del avance realizado = progress evaluation.
    * evaluación del impacto en función del género = gender-impact assessment.
    * evaluación de los ingresos = means-testing, means test.
    * evaluación de los productos = product rating.
    * evaluación del personal = personnel evaluation.
    * evaluación del profesorado = faculty evaluation.
    * evaluación del rendimiento = performance appraisal, performance evaluation, performance measurement, performance review, performance rating.
    * evaluación de metales = metallurgical assaying.
    * evaluación de necesidades = needs assessment.
    * evaluación de procedimientos = process rating.
    * evaluación de procesos = process rating.
    * evaluación de productos = product rating.
    * evaluación de riesgos = risk assessment.
    * evaluación de sistemas = system(s) evaluation.
    * evaluación de usuario = user rating.
    * evaluación final = summative evaluation, final assessment.
    * evaluación iluminativa = illuminative evaluation.
    * evaluación interviniente = obtrusive evaluation.
    * evaluación intrusiva = obtrusive evaluation, obtrusive test.
    * evaluación no intrusiva = unobtrusive evaluation.
    * evaluación objetiva = objective evaluation.
    * evaluación por comparación = benchmarking.
    * evaluación por expertos = peer review, refereeing, peer reviewing.
    * evaluación por expertos abierta = open refereeing.
    * evaluación por expertos anónima = blind refereeing.
    * evaluación por pares = peer review, refereeing, peer reviewing.
    * evaluación por resultados obtenidos = outcomes assessment.
    * evaluación sin intervención del examinador = unobtrusive testing.
    * herramienta de evaluación = assessment tool, evaluation tool.
    * impreso de evaluación = evaluation form.
    * instrumento de evaluación = assessment tool, evaluation tool.
    * método de evaluación de un edificio en uso = post-occupancy evaluation method.
    * nueva evaluación = reappraisal.
    * para la evaluación de hipótesis = hypothesis-testing.
    * procedimiento de evaluación por expertos = refereeing procedure.
    * proceso de evaluación = review process, evaluation process.
    * realizar una evaluación = administer + evaluation.
    * sistema de evaluación = rating system.
    * sistema de evaluación anónima = double-blind.
    * sistema de evaluación por paresanónima = double-blind refereeing system.
    * someter a una evaluación por expertos doble = double referee.
    * test de evaluación = evaluative test.

    * * *
    1 (de daños, pérdidas, una situación) assessment; (de datos, informes) evaluation, assessment
    en la reunión se hizo evaluación de la situación económica de la empresa they assessed the company's financial situation at the meeting
    2 ( Educ) (acción) assessment; (prueba, examen) test
    Compuesto:
    continuous assessment
    * * *

     

    evaluación sustantivo femenino
    a) (de daños, situación) assessment;

    (de datos, informes) evaluation, assessment
    b) (Educ) ( acción) assessment;

    (prueba, examen) test
    evaluación sustantivo femenino
    1 evaluation: tardaremos unos días en completar la evaluación de los daños sufridos, it'll take a few days to fully assess the damage
    2 Educ test: mañana tenemos la segunda evaluación de matemáticas, we have our second maths test tomorrow
    ' evaluación' also found in these entries:
    Spanish:
    valoración
    - cotización
    English:
    appraisal
    - appreciation
    - assessment
    - evaluation
    - continuous
    * * *
    1. [valoración] evaluation, assessment;
    [de daños, pérdidas, riesgos] assessment;
    una primera evaluación de las estadísticas confirma que… a first assessment of the statistics confirms that…;
    realizaron una evaluación de los daños they assessed the damage;
    hacen evaluaciones periódicas del rendimiento de los trabajadores employees are given regular performance evaluations o appraisals;
    hizo una evaluación positiva de la situación he gave a positive assessment of the situation
    Com evaluación comparativa benchmarking;
    evaluación de impacto ambiental environmental impact assessment;
    evaluación de riesgos risk assessment
    2. Educ [acción] assessment;
    [examen] exam, test; [periodo] = division of school year, of which there may be three to five in total evaluación continua continuous assessment
    * * *
    f
    1 evaluation, assessment
    2 ( prueba) test
    * * *
    evaluación nf, pl - ciones : assessment, evaluation
    * * *
    evaluación n assessment

    Spanish-English dictionary > evaluación

  • 8 Chevenard, Pierre Antoine Jean Sylvestre

    SUBJECT AREA: Metallurgy
    [br]
    b. 31 December 1888 Thizy, Rhône, France
    d. 15 August 1960 Fontenoy-aux-Roses, France
    [br]
    French metallurgist, inventor of the alloys Elinvar and Platinite and of the method of strengthening nickel-chromium alloys by a precipitate ofNi3Al which provided the basis of all later super-alloy development.
    [br]
    Soon after graduating from the Ecole des Mines at St-Etienne in 1910, Chevenard joined the Société de Commentry Fourchambault et Decazeville at their steelworks at Imphy, where he remained for the whole of his career. Imphy had for some years specialized in the production of nickel steels. From this venture emerged the first austenitic nickel-chromium steel, containing 6 per cent chromium and 22–4 per cent nickel and produced commercially in 1895. Most of the alloys required by Guillaume in his search for the low-expansion alloy Invar were made at Imphy. At the Imphy Research Laboratory, established in 1911, Chevenard conducted research into the development of specialized nickel-based alloys. His first success followed from an observation that some of the ferro-nickels were free from the low-temperature brittleness exhibited by conventional steels. To satisfy the technical requirements of Georges Claude, the French cryogenic pioneer, Chevenard was then able in 1912 to develop an alloy containing 55–60 per cent nickel, 1–3 per cent manganese and 0.2–0.4 per cent carbon. This was ductile down to −190°C, at which temperature carbon steel was very brittle.
    By 1916 Elinvar, a nickel-iron-chromium alloy with an elastic modulus that did not vary appreciably with changes in ambient temperature, had been identified. This found extensive use in horology and instrument manufacture, and even for the production of high-quality tuning forks. Another very popular alloy was Platinite, which had the same coefficient of thermal expansion as platinum and soda glass. It was used in considerable quantities by incandescent-lamp manufacturers for lead-in wires. Other materials developed by Chevenard at this stage to satisfy the requirements of the electrical industry included resistance alloys, base-metal thermocouple combinations, magnetically soft high-permeability alloys, and nickel-aluminium permanent magnet steels of very high coercivity which greatly improved the power and reliability of car magnetos. Thermostatic bimetals of all varieties soon became an important branch of manufacture at Imphy.
    During the remainder of his career at Imphy, Chevenard brilliantly elaborated the work on nickel-chromium-tungsten alloys to make stronger pressure vessels for the Haber and other chemical processes. Another famous alloy that he developed, ATV, contained 35 per cent nickel and 11 per cent chromium and was free from the problem of stress-induced cracking in steam that had hitherto inhibited the development of high-power steam turbines. Between 1912 and 1917, Chevenard recognized the harmful effects of traces of carbon on this type of alloy, and in the immediate postwar years he found efficient methods of scavenging the residual carbon by controlled additions of reactive metals. This led to the development of a range of stabilized austenitic stainless steels which were free from the problems of intercrystalline corrosion and weld decay that then caused so much difficulty to the manufacturers of chemical plant.
    Chevenard soon concluded that only the nickel-chromium system could provide a satisfactory basis for the subsequent development of high-temperature alloys. The first published reference to the strengthening of such materials by additions of aluminium and/or titanium occurs in his UK patent of 1929. This strengthening approach was adopted in the later wartime development in Britain of the Nimonic series of alloys, all of which depended for their high-temperature strength upon the precipitated compound Ni3Al.
    In 1936 he was studying the effect of what is now known as "thermal fatigue", which contributes to the eventual failure of both gas and steam turbines. He then published details of equipment for assessing the susceptibility of nickel-chromium alloys to this type of breakdown by a process of repeated quenching. Around this time he began to make systematic use of the thermo-gravimetrie balance for high-temperature oxidation studies.
    [br]
    Principal Honours and Distinctions
    President, Société de Physique. Commandeur de la Légion d'honneur.
    Bibliography
    1929, Analyse dilatométrique des matériaux, with a preface be C.E.Guillaume, Paris: Dunod (still regarded as the definitive work on this subject).
    The Dictionary of Scientific Biography lists around thirty of his more important publications between 1914 and 1943.
    Further Reading
    "Chevenard, a great French metallurgist", 1960, Acier Fins (Spec.) 36:92–100.
    L.Valluz, 1961, "Notice sur les travaux de Pierre Chevenard, 1888–1960", Paris: Institut de France, Académie des Sciences.
    ASD

    Biographical history of technology > Chevenard, Pierre Antoine Jean Sylvestre

  • 9 Bakewell, Robert

    [br]
    b. 23 May 1725 Loughborough, England
    d. 1 October 1795 Loughborough, England
    [br]
    English livestock breeder who pioneered the practice of progeny testing for selecting breeding stock; he is particularly associated with the development of the Improved Leicester breed of sheep.
    [br]
    Robert Bakewell was the son of the tenant farming the 500-acre (200 hectare) Dishley Grange Farm, near Loughborough, where he was born. The family was sufficiently wealthy to allow Robert to travel, which he began to do at an early age, exploring the farming methods of the West Country, Norfolk, Ireland and Holland. On taking over the farm he continued the development of the irrigation scheme begun by his father. Arthur Young visited the farm during his tour of east England in 1771. At that time it consisted of 440 acres (178 hectares), 110 acres (45 hectares) of which were arable, and carried a stock of 60 horses, 400 sheep and 150 other assorted beasts. Of the arable land, 30 acres (12 hectares) were under root crops, mainly turnips.
    Bakewell was not the first to pioneer selective breeding, but he was the first successfully to apply selection to both the efficiency with which an animal utilized its food, and its physical appearance. He always had a clear idea of the animal he wanted, travelled extensively to collect a range of animals possessing the characteristics he sought, and then bred from these towards his goal. He was aware of the dangers of inbreeding, but would often use it to gain the qualities he wanted. His early experiments were with Longhorn cattle, which he developed as a meat rather than a draught animal, but his most famous achievement was the development of the Improved Leicester breed of sheep. He set out to produce an animal that would put on the most meat in the least time and with the least feeding. As his base he chose the Old Leicester, but there is still doubt as to which other breeds he may have introduced to produce the desired results. The Improved Leicester was smaller than its ancestor, with poorer wool quality but with greatly improved meat-production capacity.
    Bakewell let out his sires to other farms and was therefore able to study their development under differing conditions. However, he made stringent rules for those who hired these animals, requiring the exclusive use of his rams on the farms concerned and requiring particular dietary conditions to be met. To achieve this control he established the Dishley Society in 1783. Although his policies led to accusations of closed access to his stock, they enabled him to keep a close control of all offspring. He thereby pioneered the process now recognized as "progeny testing".
    Bakewell's fame and that of his farm spread throughout the country and overseas. He engaged in an extensive correspondence and acted as host to all of influence in British and overseas agriculture, but it would appear that he was an over-generous host, since he is known to have been in financial difficulties in about 1789. He was saved from bankruptcy by a public subscription raised to allow him to continue with his breeding experiments; this experience may well have been the reason why he was such a staunch advocate of State funding of agricultural research.
    [br]
    Further Reading
    William Houseman, 1894, biography, Journal of the Royal Agricultural Society. 1–31. H.C.Parsons, 1957, Robert Bakewell (contains a more detailed account).
    R.Trow Smith, 1957, A History of British Livestock Husbandry to 1700, London: Routledge \& Kegan Paul.
    —A History of British Livestock Husbandry 1700 to 1900 (places Bakewell within the context of overall developments).
    M.L.Ryder, 1983, Sheep and Man, Duckworth (a scientifically detailed account which deals with Bakewell within the context of its particular subject).
    AP

    Biographical history of technology > Bakewell, Robert

  • 10 Logical Empiricism

       Modern analytical empiricism... differs from that of Locke, Berkeley, and Hume by its incorporation of mathematics and its development of a powerful logical technique. It is thus able, in regard to certain problems, to achieve definite answers, which have the quality of science rather than of philosophy. It has the advantage, as compared with the philosophies of the system-builders, of being able to tackle its problems one at a time, instead of having to invent at one stroke a block theory of the whole universe. Its methods, in this respect, resemble those of science. I have no doubt that, in so far as philosophical knowledge is possible, it is by such methods that it must be sought: I also have no doubt that, by these methods, many ancient problems are completely soluble.... Take such questions as: What is number? What are space and time? What is mind, and what is matter? I do not say that we can here and now give definitive answers to all these ancient questions, but I do say that a method has been discovered by which, as in science, we can make successive approximations to the truth, in which each new stage results from an improvement, not a rejection, of what has gone before. (Russell, 1961, pp. 788-789)
       Not a single one of the great theses of Logical Empiricism (that Meaning is Method of Verification; that metaphysical propositions are literally without sense; that Mathematics is True by Convention) has turned out to be correct. It detracts from the excitement of the fact that, by turning philosophical theses into linguistic ones [as Carnap had tried to do]... one can make philosophy more scientific and settle the truth value of philosophical propositions by hard scientific research, if the results one obtains are uniformly negative. (Putnam, 1975, p. 20)

    Historical dictionary of quotations in cognitive science > Logical Empiricism

  • 11 Boulsover, Thomas

    [br]
    b. 1704
    d. 1788
    [br]
    English cutler, metalworker and inventor of Sheffield plate.
    [br]
    Boulsover, originally a small-scale manufacturer of cutlery, is believed to have specialized in making knife-handle components. About 1742 he found that a thin sheet of silver could be fused to copper sheet by rolling or beating to flatten it. Thus he developed the plating of silver, later called Sheffield plate.
    The method when perfected consisted of copper sheet overlaid by thin sheet silver being annealed by red heat. Protected by iron sheeting, the copper and silver were rolled together, becoming fused to a single plate capable of undergoing further manufacturing processes. Later developments included methods of edging the fused sheets and the placing of silver sheet on both lower and upper surfaces of copper, to produce high-quality silver plate, in much demand by the latter part of the century. Boulsover himself is said to have produced only small articles such as buttons and snuff boxes from this material, which by 1758 was being exploited more commercially by Joseph Hancock in Sheffield making candlesticks, hot-water pots and coffee pots. Matthew Boulton introduced its manufacture in very high-quality products during the 1760s to Birmingham, where the technique was widely adopted later. By the 1770s Boulsover was engaged in rolling his plated copper for industry elsewhere, also trading in iron and purchasing blister steel which he converted by the Huntsman process to crucible steel. Blister steel was converted on his behalf to shear steel by forging. He is thought to have also been responsible for improving this product further, introducing "double-shear steel", by repeating the forging and faggoting of shear steel bars. Thomas Boulsover had become a Sheffield entrepreneur, well known for his numerous skills with metals.
    [br]
    Further Reading
    H.W.Dickinson, 1937, Matthew Boulton, Cambridge: Cambridge University Press (describes Boulsover's innovation and further development of Sheffield plate).
    J.Holland, 1834, Manufactures in Metal III, 354–8.
    For activities in steel see: K.C.Barraclough, 1991, "Steel in the Industrial Revolution", in J.Day and R.F.Tylecote (eds), The Industrial Revolution in Metals, The Institute of Metals.
    JD

    Biographical history of technology > Boulsover, Thomas

  • 12 Dunlop, John Boyd

    SUBJECT AREA: Land transport
    [br]
    b. 5 February 1840 Dreghorn, Ayrshire, Scotland
    d. 23 October 1921 Ballsbridge, Dublin, Ireland
    [br]
    Scottish inventor and pioneer of the pneumatic tyre.
    [br]
    Reared in an agricultural community, Dunlop became a qualified veterinary surgeon and practised successfully in Edinburgh and then in Belfast when he moved there in 1867. In October 1887, Dunlop's 9-year-old son complained of the rough ride he experienced with his tricycle over the cobbled streets of Belfast. Dunlop devised and fitted rubber air tubes, held on to a wooden ring by tacking a linen covering which he fixed around the wheels of the tricycle. A marked improvement in riding quality was noted. After further development, a new tricycle was ordered, with the new airtube wheels. This was so successful that Dunlop applied for a patent on 23 July 1889, granted on 7 December. With tyres made in Edinburgh to his specification, bicycles were manufactured by Edlin \& Co. of Belfast and put on sale complete with pneumatic tyres. The successful performance of a racing bicycle thus equipped inspired an unsuccessful competitor, William Harvey de Cros, who had used a solid-tyred machine, to take an interest in Dunlop's invention. With Dunlop, he refloated a company in Dublin, the Pneumatic Tyre \& Booth's Cycle Agency. Dunlop made over his patents, for the tyre, valves, rims and fixing methods, to Du Cros and took shares in the company. Although he was involved in it for many years, it was Du Cros who steered the company through several struggles to success.
    The pneumatic tyre revolutionized cycling and made possible the success of the motor vehicle, although Dunlop did not profit greatly from his invention. After the sale of the company in 1896, to E.T.Hooley for $3 million, he took no further part in the development of the pneumatic tyre. The company went on to become the great Dunlop Rubber Company.
    [br]
    Further Reading
    J.McClintock, 1923, History of the Pneumatic Tyre, Belfast (written by Dunlop's daughter, who based the book on her father's reminiscences).
    LRD

    Biographical history of technology > Dunlop, John Boyd

  • 13 Agricola, Georgius (Georg Bauer)

    SUBJECT AREA: Metallurgy
    [br]
    b. 24 March 1494 Glauchau, Saxony
    d. 21 November 1555 Chemnitz, Germany
    [br]
    German metallurgist, who wrote the book De Re Metallica under the latinized version of his name.
    [br]
    Agricola was a physician, scientist and metallurgist of note and it was this which led to the publication of De Re Metallica. He studied at Leipzig University and between 1518 and 1522 he was a school teacher in Zwickau. Eventually he settled as a physician in Chemnitz. Later he continued his medical practice at Joachimstal in the Erzgebirge. This town was newly built to serve the mining community in what was at the time the most important ore-mining field in both Germany and Europe.
    As a physician in the sixteenth century he would naturally have been concerned with the development of medicines, which would have led him to research the medical properties of ores and base metals. He studied the mineralogy of his area, and the mines, and the miners who were working there. He wrote several books in Latin on geology and mineralogy. His important work during that period was a glossary of mineralogical and mining terms in both Latin and German. It is, however, De Re Metallica for which he is best known. This large volume contains twelve books which deal with mining and metallurgy, including an account of glassmaking. Whilst one can understand the text of this book very easily, the quality of the illustrative woodcuts should not be neglected. These illustrations detail the mines, furnaces, forges and the plant associated with them, unfortunately the name of the artist is unknown. The importance of the work lies in the fact that it is an assemblage of information on all the methods and practices current at that time. The book was clearly intended as a textbook of mining and mineralogy and as such it would have been brought to England by German engineers when they were employed by the Mines Royal in the Keswick area in the late sixteenth century. In addition to his studies in preparation for De Re Metallica, Agricola was an "adventurer" holding shares in the Gottesgab mine in the Erzegebirge.
    [br]
    Principal Honours and Distinctions Bibliography
    1556, De Re Metallica, Basel; 1912, trans. H. Hoover and L.H.Hoover, London.
    KM

    Biographical history of technology > Agricola, Georgius (Georg Bauer)

  • 14 Gillott, Joseph

    SUBJECT AREA: Paper and printing
    [br]
    b. 1799 Sheffield, Yorkshire d. 1877
    [br]
    English maker of steel pens.
    [br]
    The name Joseph Gillott became synonymous with pen making at a time when the basic equipment for writing was undergoing a change. The quill pen had served writers for centuries, but attempts had been made since the seventeenth century to improve on it. The first major technical development was the steel nib, which began to be made c.1829. The steel nib was still little known in Birmingham in 1839, but ten years later it was in common use. Its stiffness was at first a drawback, but Gillott was among the first to improve its flexibility by introducing three slots, which later became standard practice. Mechanical methods of manufacture made the pen cheaper and improved its quality. In 1840 Gillott issued a "precept" informing the public that he was pen maker to the Queen and that he had been manufacturing pens for twenty years at his Victoria Works in Birmingham. He announced the successful reception by the public of his new patent pen. There were also special "warranted school" pens designed for the various grades of writing taught in schools. Finally, he warned against inferior imitations and recommended the public to buy only those pens stamped with his name.
    [br]
    Further Reading
    J.T.Bunce and S.Timmins, c.1880 Joseph Gillott 1799–1877: A Sketch of His Life.
    J.Whalley, 1975, Writing Implements and Accessories, Newton Abbot: David \& Charles.
    LRD

    Biographical history of technology > Gillott, Joseph

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