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  • 61 Armstrong, Edwin Howard

    [br]
    b. 18 December 1890 New York City, New York, USA
    d. 31 January 1954 New York City, New York, USA
    [br]
    American engineer who invented the regenerative and superheterodyne amplifiers and frequency modulation, all major contributions to radio communication and broadcasting.
    [br]
    Interested from childhood in anything mechanical, as a teenager Armstrong constructed a variety of wireless equipment in the attic of his parents' home, including spark-gap transmitters and receivers with iron-filing "coherer" detectors capable of producing weak Morse-code signals. In 1912, while still a student of engineering at Columbia University, he applied positive, i.e. regenerative, feedback to a Lee De Forest triode amplifier to just below the point of oscillation and obtained a gain of some 1,000 times, giving a receiver sensitivity very much greater than hitherto possible. Furthermore, by allowing the circuit to go into full oscillation he found he could generate stable continuous-waves, making possible the first reliable CW radio transmitter. Sadly, his claim to priority with this invention, for which he filed US patents in 1913, the year he graduated from Columbia, led to many years of litigation with De Forest, to whom the US Supreme Court finally, but unjustly, awarded the patent in 1934. The engineering world clearly did not agree with this decision, for the Institution of Radio Engineers did not revoke its previous award of a gold medal and he subsequently received the highest US scientific award, the Franklin Medal, for this discovery.
    During the First World War, after some time as an instructor at Columbia University, he joined the US Signal Corps laboratories in Paris, where in 1918 he invented the superheterodyne, a major contribution to radio-receiver design and for which he filed a patent in 1920. The principle of this circuit, which underlies virtually all modern radio, TV and radar reception, is that by using a local oscillator to convert, or "heterodyne", a wanted signal to a lower, fixed, "intermediate" frequency it is possible to obtain high amplification and selectivity without the need to "track" the tuning of numerous variable circuits.
    Returning to Columbia after the war and eventually becoming Professor of Electrical Engineering, he made a fortune from the sale of his patent rights and used part of his wealth to fund his own research into further problems in radio communication, particularly that of receiver noise. In 1933 he filed four patents covering the use of wide-band frequency modulation (FM) to achieve low-noise, high-fidelity sound broadcasting, but unable to interest RCA he eventually built a complete broadcast transmitter at his own expense in 1939 to prove the advantages of his system. Unfortunately, there followed another long battle to protect and exploit his patents, and exhausted and virtually ruined he took his own life in 1954, just as the use of FM became an established technique.
    [br]
    Principal Honours and Distinctions
    Institution of Radio Engineers Medal of Honour 1917. Franklin Medal 1937. IERE Edison Medal 1942. American Medal for Merit 1947.
    Bibliography
    1922, "Some recent developments in regenerative circuits", Proceedings of the Institute of Radio Engineers 10:244.
    1924, "The superheterodyne. Its origin, developments and some recent improvements", Proceedings of the Institute of Radio Engineers 12:549.
    1936, "A method of reducing disturbances in radio signalling by a system of frequency modulation", Proceedings of the Institute of Radio Engineers 24:689.
    Further Reading
    L.Lessing, 1956, Man of High-Fidelity: Edwin Howard Armstrong, pbk 1969 (the only definitive biography).
    W.R.Maclaurin and R.J.Harman, 1949, Invention \& Innovation in the Radio Industry.
    J.R.Whitehead, 1950, Super-regenerative Receivers.
    A.N.Goldsmith, 1948, Frequency Modulation (for the background to the development of frequency modulation, in the form of a large collection of papers and an extensive bibliog raphy).
    KF

    Biographical history of technology > Armstrong, Edwin Howard

  • 62 Bedson, George

    SUBJECT AREA: Metallurgy
    [br]
    b. 3 November 1820 Sutton Coldfield, Warwickshire, England
    d. 12 December 1884 Manchester (?), England
    [br]
    English metallurgist, inventor of the continuous rolling mill.
    [br]
    He acquired a considerable knowledge of wire-making in his father's works before he took a position in 1839 at the works of James Edleston at Warrington. From there, in 1851, he went to Manchester as Manager of Richard Johnson \& Sons' wire mill, where he remained for the rest of his life. It was there that he initiated several important improvements in the manufacture of wire. These included a system of circulating puddling furnace water bottoms and sides, and a galvanizing process. His most important innovation, however, was the continuous mill for producing iron rod for wiredrawing. Previously the red-hot iron billets had to be handled repeatedly through a stand or set of rolls to reduce the billet to the required shape, with time and heat being lost at each handling. In Bedson's continuous mill, the billet entered the first of a succession of stands placed as closely to each other as possible and emerged from the final one as rod suitable for wiredrawing, without any intermediate handling. A second novel feature was that alternate rolls were arranged vertically to save turning the piece manually through a right angle. That improved the quality as well as the speed of production. Bedson's first continuous mill was erected in Manchester in 1862 and had sixteen stands in tandem. A mill on this principle had been patented the previous year by Charles While of Pontypridd, South Wales, but it was Bedson who made it work and brought it into use commercially. A difficult problem to overcome was that as the piece being rolled lengthened, its speed increased, so that each pair of rolls had to increase correspondingly. The only source of power was a steam engine working a single drive shaft, but Bedson achieved the greater speeds by using successively larger gear-wheels at each stand.
    Bedson's first mill was highly successful, and a second one was erected at the Manchester works; however, its application was limited to the production of small bars, rods and sections. Nevertheless, Bedson's mill established an important principle of rolling-mill design that was to have wider applications in later years.
    [br]
    Further Reading
    Obituary, 1884, Journal of the Iron and Steel Institute 27:539–40. W.K.V.Gale, 1969, Iron and Steel, London: Longmans, pp. 81–2.
    LRD

    Biographical history of technology > Bedson, George

  • 63 Casablancas, Fernando

    SUBJECT AREA: Textiles
    [br]
    fl. 1912 Spain
    [br]
    Spanish inventor of the first of the high-draft cotton-spinning systems.
    [br]
    In 1912, Casablancas took out three patents in Britain. The first of these was for putting false twist into textile fibres during the drawing part of spinning. In his next we can find the origins of his interest in his high-draft system, for it contains intermediate sectors or rollers between the usual drawing rollers. It was not until the third patent that there appeared the basis of the modern system with endless inextensible strips of material passing round the rollers to help support the fibres. His first system was for spinning fibres of medium length, giving a much greater draft. This consisted of two aprons around the middle pair of drafting rollers which reached almost to the front ones. The aprons lightly pressed the fibres together in the drafting zone and yet allowed the more-quickly rotating front rollers to pull fibres out of the aprons quite easily. This enabled slivers or rovings to be reduced in thickness more quickly and evenly. In 1913, a further patent showed a development of the apron system where guides made the aprons move in an "S" pattern. Then in 1914 a patent illustrated something similar to the modern layout, while two further patents in the following year contained slightly different layouts. His system was soon applied to both ring frames and the mule, and while it was first applied to cotton, it soon spread to worsted. High-draft spinning was also envisaged by Casablancas and he took out a further patent in 1920 to obtain drafts in a ratio of several hundreds. His principles are used today on some of the most recent open-end spinning frames.
    [br]
    Bibliography
    1912, British patent no. 11,376 (textile fibres with false twist). 1912, British patent no. 11,783.
    1912. British patent no. 12,477.
    1913. British patent no. 11,613.
    1914. British patent no. 19,372 1915. British patent no. 3,366.
    1915, British patent no. 14,228.
    Further Reading
    C.Singer (ed.), 1978, A History of Technology, Vol. 6, Oxford: Clarendon Press (mentions his spinning methods).
    RLH

    Biographical history of technology > Casablancas, Fernando

  • 64 Crampton, Thomas Russell

    [br]
    b. 6 August 1816 Broadstairs, Kent, England
    d. 19 April 1888 London, England
    [br]
    English engineer, pioneer of submarine electric telegraphy and inventor of the Crampton locomotive.
    [br]
    After private education and an engineering apprenticeship, Crampton worked under Marc Brunel, Daniel Gooch and the Rennie brothers before setting up as a civil engineer in 1848. His developing ideas on locomotive design were expressed through a series of five patents taken out between 1842 and 1849, each making a multiplicity of claims. The most typical feature of the Crampton locomotive, however, was a single pair of driving wheels set to the rear of the firebox. This meant they could be of large diameter, while the centre of gravity of the locomotive remained low, for the boiler barrel, though large, had only small carrying-wheels beneath it. The cylinders were approximately midway along the boiler and were outside the frames, as was the valve gear. The result was a steady-riding locomotive which neither pitched about a central driving axle nor hunted from side to side, as did other contemporary locomotives, and its working parts were unusually accessible for maintenance. However, adhesive weight was limited and the long wheelbase tended to damage track. Locomotives of this type were soon superseded on British railways, although they lasted much longer in Germany and France. Locomotives built to the later patents incorporated a long, coupled wheelbase with drive through an intermediate crankshaft, but they mostly had only short lives. In 1851 Crampton, with associates, laid the first successful submarine electric telegraph cable. The previous year the brothers Jacob and John Brett had laid a cable, comprising a copper wire insulated with gutta-percha, beneath the English Channel from Dover to Cap Gris Nez: signals were passed but within a few hours the cable failed. Crampton joined the Bretts' company, put up half the capital needed for another attempt, and designed a much stronger cable. Four gutta-percha-insulated copper wires were twisted together, surrounded by tarred hemp and armoured by galvanized iron wires; this cable was successful.
    Crampton was also active in railway civil engineering and in water and gas engineering, and c. 1882 he invented a hydraulic tunnel-boring machine intended for a Channel tunnel.
    [br]
    Principal Honours and Distinctions
    Vice-President, Institution of Mechanical Engineers. Officier de la Légion d'Honneur (France).
    Bibliography
    1842, British patent no. 9,261.
    1845. British patent no. 10,854.
    1846. British patent no. 11,349.
    1847. British patent no. 11,760.
    1849, British patent no. 12,627.
    1885, British patent no. 14,021.
    Further Reading
    M.Sharman, 1933, The Crampton Locomotive, Swindon: M.Sharman; P.C.Dewhurst, 1956–7, "The Crampton locomotive", Parts I and II, Transactions of the Newcomen Society 30:99 (the most important recent publications on Crampton's locomotives).
    C.Hamilton Ellis, 1958, Twenty Locomotive Men, Shepperton: Ian Allen. J.Kieve, 1973, The Electric Telegraph, Newton Abbot: David \& Charles, 102–4.
    R.B.Matkin, 1979, "Thomas Crampton: Man of Kent", Industrial Past 6 (2).
    PJGR

    Biographical history of technology > Crampton, Thomas Russell

  • 65 Fessenden, Reginald Aubrey

    [br]
    b. 6 October 1866 East Bolton, Quebec, Canada
    d. 22 July 1932 Bermuda
    [br]
    Canadian radio pioneer who made the first known broadcast of speech and music.
    [br]
    After initial education at Trinity College School, Port Hope, Ontario, Fessenden studied at Bishops University, Lennoxville, Quebec. When he graduated in 1885, he became Principal of the Whitney Institute in Bermuda, but he left the following year to go to New York in pursuit of his scientific interests. There he met Edison and eventually became Chief Chemist at the latter's Laboratory in Orange, New Jersey. In 1890 he moved to the Westinghouse Electric and Manufacturing Company, and two years later he returned to an academic career as Professor of Electrical Engineering, initially at Purdue University, Lafayette, Indiana, and then at the Western University of Pennsylvania, where he worked on wireless communication. From 1900 to 1902 he carried out experiments in wireless telegraphy at the US Weather Bureau, filing several patents relating to wire and liquid thermal detectors, or barretters. Following this he set up the National Electric Signalling Company; under his direction, Alexanderson and other engineers at the General Electric Company developed a high-frequency alternator that enabled him to build the first radiotelephony transmitter at Brant Rock, Massachusetts. This made its initial broadcast of speech and music on 24 December 1906, received by ship's wireless operators several hundred miles away. Soon after this the transmitter was successfully used for two-way wireless telegraphy communication with Scotland. Following this landmark event, Fessenden produced numerous inventions, including a radio compass, an acoustic depth-finder and several submarine signalling devices, a turboelectric drive for battleships and, notably, in 1912 the heterodyne principle used in radio receivers to convert signals to a lower (intermediate) frequency.
    [br]
    Principal Honours and Distinctions
    Institute of Electrical and Electronics Engineers Medal of Honour 1921.
    Bibliography
    US patents relating to barretters include nos. 706,740, 706,742 and 706,744 (wire, 1902) and 731,029 (liquid, 1903). His invention of the heterodyne was filed as US patent no. 1,050,441 (1913).
    Further Reading
    Helen M.Fessenden, 1940, Fessenden. Builder of Tomorrow. E.Hawkes, 1927, Pioneers of Wireless, London: Methuen. O.E.Dunlop, 1944, Radio's 100 Men of Science.
    KF

    Biographical history of technology > Fessenden, Reginald Aubrey

  • 66 сечение отстойника

    Русско-английский научный словарь > сечение отстойника

  • 67 удар по аэродромам

    Русско-английский военно-политический словарь > удар по аэродромам

  • 68 винт

    авторотация воздушного винта
    propeller windmilling
    авторотирующий воздушный винт
    windmilling propeller
    балансир несущего винта
    rotor balancer
    балансировать воздушный винт
    balance the propeller
    балансировка воздушного винта
    propeller balance
    балка рулевого винта
    tail rotor pylon
    биение воздушного винта
    airscrew knock
    вал воздушного винта
    propeller shaft
    вал синхронизации несущих винтов
    rotor synchronizing shaft
    вал трансмиссии рулевого винта
    pylon drive shaft
    вертолет с несколькими несущими винтами
    multirotor
    вертолет с одним несущим винтом
    1. single main rotor helicopter
    2. single-rotor верхний несущий винт
    upper rotor
    верхний соосный винт
    upper coaxial rotor
    винт регулировки малого газа
    idle adjusting screw
    винт стравливания давления
    bleed screw
    влияние спутной струи от воздушного винта
    slipstream effect
    воздушное судно с несущим винтом
    rotary-wing aircraft
    воздушные винты противоположного вращения
    contrarotating propellers
    воздушный винт
    1. prop
    2. propeller 3. airscrew воздушный винт во флюгерном положении
    feathered propeller
    воздушный винт двусторонней схемы
    doubleacting propeller
    воздушный винт изменяемого шага
    1. controllable propeller
    2. variable pitch propeller 3. adjustable-pitch propeller воздушный винт левого вращения
    left-handed propeller
    воздушный винт на режиме малого газа
    idling propeller
    воздушный винт постоянного числа оборотов
    constant-speed propeller
    воздушный винт правого вращения
    right-handed propeller
    воздушный винт прямой тяги
    direct drive propeller
    воздушный винт с автоматически изменяемым шагом
    automatic pitch propeller
    воздушный винт с автоматической регулировкой
    automatically controllable propeller
    воздушный винт с большим шагом
    high-pitch propeller
    воздушный винт с гидравлическим управлением шага
    hydraulic propeller
    воздушный винт фиксированного шага
    1. constant-pitch propeller
    2. fixed-pitch propeller вращать воздушный винт
    drive a propeller
    втулка винта
    rotor head
    втулка воздушного винта
    1. propeller hub
    2. airscrew boss 3. airscrew hub втулка несущего винта
    1. main rotor head
    2. main rotor hub 3. rotor hub втулка рулевого винта
    anti-torque rotor hub
    выводить воздушный винт из флюгерного положения
    unfeather the propeller
    высотный воздушный винт
    altitude propeller
    гидравлическое управление шагом воздушного винта
    hydraulic propeller pitch control
    задний несущий винт
    rear main rotor
    закрытый воздушный винт
    shrouded propeller
    запас по оборотам несущего винта
    rotor speed margin
    кок винта в сборе
    cone assy
    колонка несущего винта
    rotor mast
    кольцевой обтекатель воздушного винта
    airscrew antidrag ring
    комель лопасти воздушного винта
    propeller blade shank
    контактное кольцо воздушного винта
    propeller slip ring
    конусность несущего винта
    rotor coning angle
    коэффициент заполнения воздушного винта
    propeller solidity ratio
    крутящий момент воздушного винта
    1. airscrew torque
    2. propeller torque крутящий момент воздушного винта в режиме авторотации
    propeller windmill torque
    крутящий момент несущего винта
    rotor torque
    лонжерон лопасти несущего винта
    rotor blade spar
    лопасть воздушного винта
    propeller blade
    лопасть несущего винта
    main rotor blade
    лопасть рулевого винта
    1. tail rotor blade
    2. antitorque rotor blade л управления шагом воздушного винта
    propeller pitch control system
    малошумный воздушный винт
    silenced tractor propeller
    механизм реверса воздушного винта
    propeller reverser
    механизм реверсирования воздушного винта
    airscrew reversing gear
    механизм синхронизации работы воздушного винта
    propeller synchronization mechanism
    муфта сцепления двигателя с несущим винтом вертолета
    rotor clutch assembly
    несбалансированный воздушный винт
    out-of-balance propeller
    несущий винт
    1. main rotor
    2. rotary wing 3. lifting propeller 4. rotor 5. idling rotor несущий винт вертолета
    helicopter rotor
    несущий винт с приводом от двигателя
    power-driven rotor
    несущий винт с шарнирно закрепленными лопастями
    articulated rotor
    нижний соосный винт
    lower coaxial rotor
    облегченный воздушный винт
    lower pitch propeller
    обратное вращение воздушного винта
    airscrew reverse rotation
    обтекатель втулки воздушного винта
    propeller dome
    окружная скорость законцовки воздушного винта
    propeller tip speed
    окружная скорость лопасти воздушного винта
    airscrew blade speed
    остерегаться лопастей несущего винта
    keep clear of rotor blades
    отказ несущего винта
    rotor failure
    открытый воздушный винт
    unshrouded propeller
    отрицательная тяга воздушного винта
    propeller drag
    паук автомата перекоса несущего винта
    rotor spider
    педаль управления рулевым винтом
    1. antitorque control pedal
    2. tail rotor control pedal переводить винт на отрицательную тягу
    reverse the propeller
    передний несущий винт
    front main rotor
    планетарный редуктор воздушного винта
    propeller planetary gear
    площадь, ометаемая воздушным винтом
    propeller disk area
    подъемная сила несущего винта
    rotor lift
    посадка с неработающим воздушным винтом
    dead-stick landing
    потеря тяги при скольжении воздушного винта
    airscrew slip loss
    проворачивать воздушный винт
    wind up
    промежуточный редуктор несущего винта
    rotor intermediate gear
    рабочая часть лопасти воздушного винта
    blade pressure side
    раскрутка несущего винта
    rotor starting
    расстояние между лопастью несущего винта и хвостовой балкой
    rotor-to-tail boom clearance
    реверсивный воздушный винт
    1. negative thrust propeller
    2. reversible-pitch propeller регулятор оборотов воздушного винта
    propeller governor
    регулятор числа оборотов воздушного винта
    propeller control unit
    редуктор воздушного винта
    1. propeller gearbox
    2. propeller gear 3. airscrew reduction gear редуктор рулевого винта
    antitorque gearbox
    редуктор трансмиссии привода винтов
    rotor gear box
    рулевой винт
    1. antitorque propeller
    2. antitorque rotor 3. tail rotor сдвоенные несущие винты
    dual main rotors
    система регулирования оборотов несущего винта
    rotor governing system
    система флюгирования воздушного винта
    propeller feathering system
    скорость изменения шага винта
    pitch-change rate
    соосные винты
    coaxial rotors
    соосный воздушный винт
    coaxial propeller
    сопротивление воздуха вращению несущего винта
    rotor windage
    спутная струя за воздушным винтом
    airscrew wash
    ставить воздушный винт во флюгерное положение
    feather the propeller
    ставить воздушный винт на полетный упор
    latch the propeller flight stop
    ставить воздушный винт на упор
    latch a propeller
    стенд балансировки воздушных винтов
    propeller balancing stand
    стопорить воздушный винт
    brake the propeller
    толкающий воздушный винт
    pusher propeller
    тормоз воздушного винта
    propeller brake
    тормозить отрицательной тягой винта
    brake by propeller drag
    тормоз несущего винта
    main rotor brake
    трансмиссия привода несущего винта
    1. transmission rotor drive system
    2. rotor drive system туннельный воздушный винт
    ducting propeller
    турбулентный след за воздушным винтом
    propeller wake
    тяга воздушного винта
    1. propeller thrust
    2. airscrew propulsion тяга несущего винта
    rotor thrust
    тянущий воздушный винт
    tractor propeller
    угол установки лопасти воздушного винта
    1. airscrew blade incidence
    2. propeller incidence управление шагом воздушного винта
    propeller pitch control
    уравновешивать крутящий момент несущего винта
    counteract the rotor torque
    устанавливать шаг воздушного винта
    set the propeller pitch
    установка шага лопасти воздушного винта
    propeller pitch setting
    утяжелять воздушный винт
    move the blades to higher
    фиксатор шага лопасти воздушного винта
    propeller pitch lock
    флюгирование воздушного винта
    propeller feathering
    флюгируемый воздушный винт
    feathering propeller
    формуляр воздушного винта
    propeller record
    формуляр несущего винта
    rotor record
    ходовой винт
    actuating screw
    (механизации крыла) четырехлопастный воздушный винт
    four-bladed propeller
    шаг воздушного винта
    propeller pitch
    шаг несущего винта
    1. main rotor pitch
    2. rotor pitch шлиц в головке винта
    screw head slot
    шум от несущего винта
    main rotor noise
    электрическое управление шагом воздушного винта
    electric propeller pitch control

    Русско-английский авиационный словарь > винт

  • 69 καθαρίζω

    καθαρίζω (s. next entry; also καθερίζω; s. B-D-F §29, 1; W-S. §5, 20c; Mlt-H. 67) Attic fut. καθαριῶ (Hb 9:14; J 15:2 D; B-D-F §101 s.v. καθαίρειν; s. Mlt-H. 218); 3 sg.-ίσει (Num 30:13 cod. B; Mal 3:3) 1 aor. ἐκαθάρισα, impv. καθάρισον. Pass.: fut. καθαρισθήσομαι LXX; 1 aor. ἐκαθαρίσθην (also ἐκαθερίσθην: Mt 8:3b v.l.; Mk 1:42 v.l.), impv. καθαρίσθητι; pf. 3 sg. κεκαθάρισται (1 Km 20:26; TestJob 43:17), ptc. κεκαθαρισμένος. See Reinhold 38f; Thackeray 74. (H. Gk. substitute for the st. καθαίρω: as agricultural t.t. PLond I 131 recto, 192 p. 175 [78/79 A.D.]; PStras 2, 11; PLips 111, 12. In the ritual sense, mystery ins fr. Andania=SIG 736, 37; likew. 1042, 3; Jos., Ant. 10, 70; 11, 153; 12, 286; Just., Mel., P. 72, 526. The word is also found BGU 1024 IV, 16; EpArist 90 and in var. mngs. in LXX; En 10:20, 22; TestJob; TestReub 4:8; TestLevi 14:6.—Dssm., NB 43f [BS 216f]; in var. senses ‘cleanse, clear [as of an area], purify’)
    ① to make physically clean, make clean, cleanse τί someth. Mt 23:25f; Lk 11:39. The much-discussed passage καθαρίζων πάντα τὰ βρώματα Mk 7:19 may belong here (so BWeiss; HHoltzmann; Schniewind), but s. 3a below.
    ② to heal a person of a disease that makes one ceremonially unclean, make clean, heal esp. leprosy
    ⓐ τινά make someone clean Mt 8:2; 10:8; Mk 1:40; Lk 5:12; AcPl Ha 8, 36/BMM verso 10; s. also BMM verso 12 and 39 (Mel., P. 72, 526 τοὺς λεπρούς). Pass. (Lev 14:7 al.) Mt 11:5; Mk 1:42; Lk 4:27; 7:22; 17:14, 17; PEg2 37; καθαρίσθητι (cp. 4 Km 5:13) be clean! Mt 8:3a; Mk 1:41; Lk 5:13; 17:14 v.l.; PEg2 38.
    ⓑ τί remove someth. by or for the purpose of purification (cp. Od. 6, 93 καθαίρειν ῥύπα; Epict. 2, 16, 44; 3, 24, 13) pass. ἐκαθαρίσθη αὐτοῦ ἡ λέπρα his leprosy disappeared Mt 8:3b.
    ③ to purify through ritual cleansing, make clean, declare clean
    ⓐ a Levitical cleansing of foods make clean, declare clean (cp. Lev 13:6, 23) ἃ ὁ θεὸς ἐκαθάρισεν Ac 10:15; 11:9. Many (Origen; Field, Notes 31f; et al.) prefer to take καθαρίζων πάντα τ. βρώματα Mk 7:19 (s. 1 above) in this sense, regarding the words as an observation of the evangelist or a marginal note by a reader: he (Jesus) (hereby) declares all foods clean.—WBrandt, Jüd. Reinheitslehre u. ihre Beschreibung in den Evang. 1910.
    ⓑ of moral and cultic cleansing
    α. cleanse, purify fr. sin (LXX) τινά or τί: (τὰς ψυχάς Hippol., Ref. 10, 14, 10) τὴν καρδίαν Hs 6, 5, 2. τὰς καρδίας v 3, 9, 8. χεῖρας Js 4:8; ἑαυτούς Hs 8, 7, 5; τὸ ἐντὸς τ. ποτηρίου the contents of the cup, which must not be acquired in a sinful manner, nor used for a sinful purpose Mt 23:26. ἐλθέτω τὸ ἅγ. πνεῦμά σου ἐφʼ ἡμᾶς κ. καθαρισάτω ἡμᾶς let your Holy Spirit come upon us and make us pure Lk 11:2 v.l. In parable τοὺς λίθους Hs 9, 7, 2 and 6; 9, 8, 4.—Pass. Hv 4, 3, 4. ἅπαξ κεκαθαρισμένους Hb 10:2. καθαρισθήσεται ἡ ἐκκλησία Hs 9, 18, 2; cp. 3. καθαρισθήσομαι 1 Cl 18:7 (Ps 50:9).—τινὰ (τὶ) ἀπό τινος (on the constr. w. ἀπό s. the two pass. fr. SIG at the beg. of that entry; Lev 16:30 καθαρίσαι ὑμᾶς ἀπὸ τ. ἁμαρτιῶν; Ps 18:14; 50:4; Sir 23:10; 38:10 and oft.; En 10:20, 22; PsSol 10:1; 17:22; Jos., Ant. 12, 286; TestReub 4:8; Just., D. 116, 2) κ. τινὰ ἀπὸ πάσης ἁμαρτίας 1J 1:7; cp. vs. 9; 1 Cl 18:3 (Ps 50:4). κ. ἑαυτὸν ἀπὸ μολυσμοῦ σαρκός cleanse oneself from defilement of the body 2 Cor 7:1. ἀπὸ τῆς λύπης Hm 10, 3, 4. ἀπὸ πάσης ἐπιθυμίας Hs 7:2. τῶν πονηριῶν 8, 11, 3; ἀπὸ τούτου τοῦ δαιμονίου 9, 23, 5. κ. τὴν καρδίαν ἀπὸ τῆς διψυχίας cleanse the heart of doubt m 9:7. ἀπὸ τῶν ματαιωμάτων from vanities 9:4. κ. ἑαυτῶν τὰς καρδίας ἀπὸ τῶν ἐπιθυμιῶν 12, 6, 5. κ. τὴν συνείδησιν ἡμῶν ἀπὸ νεκρῶν ἔργων Hb 9:14. Pass. καθαρίζεσθαι ἀπὸ τ. ἁμαρτιῶν Hv 2, 3, 1; ἀπὸ τ. ὑστερημάτων 3, 2, 2a; cp. b and 3, 8, 11.—κ. τινά (τί) τινι (dat. of instr.): τῇ πίστει καθαρίσας (i.e. God) τὰς καρδίας αὐτῶν Ac 15:9. Of Christ and the community of Christians καθαρίσας τῷ λουτρῷ τοῦ ὕδατος ἐν ῥήματι Eph 5:26 (OCasel, Jahrb. für Liturgiewiss. 5, 1925, 144ff). Of Christ and baptism ἵνα τῷ πάθει τὸ ὕδωρ καθαρίσῃ so that through (his) suffering he might purify the water IEph 18:2.—καθάρισον ἡμᾶς τὸν καθαρισμὸν τῆς σῆς ἀληθείας purify us w. the cleansing of your truth 1 Cl 60:2.—Of Christ and Christians κ. ἑαυτῷ λαὸν περιούσιον Tit 2:14.—PEg3 57f.
    β. remove by or for the purpose of purification τὶ someth. (s. 2b and cp. Dt 19:13; κεκαθάρισται ἡμῶν ἡ ἀνομία TestJob 43:17) τὰς ἁμαρτίας τινός Hs 5, 6, 2f.
    ⓒ Hb 9:22f occupies an intermediate position, since ceremon. purification and moral purification merge, and the former becomes the shadow-image of the latter.
    ⓓ set free τινά τινος someone from someth. 1 Cl 16:10 (Is 53:10).—DELG s.v. καθαρός. M-M. EDNT. TW.

    Ελληνικά-Αγγλικά παλαιοχριστιανική Λογοτεχνία > καθαρίζω

  • 70 μέσος

    μέσος, η, ον (Hom.+). The distinction between ‘middle’ and ‘among’ for μ. is sometimes rather fluid, and some of the passages here cited may fit equally well under 1 or 2.
    ① pert. to a middle position spatially or temporally, middle, in the middle.
    ⓐ as adj. (of intermediate terms: Pla., Rep. 330b, Pol. 303a) ὁ μέσος αὐτῶν ἀνήρ the man in their midst, apparently surrounded by them Hs 9, 12, 7. μέσης νυκτός at midnight (3 Km 3:20.—B-D-F §270, 2; Rob. 495; Lobeck, Phryn. p. 53; 54; 465) Mt 25:6. ἡμέρας μέσης at midday (Jos., Bell. 1, 651, Ant. 17, 155) Ac 26:13. εἰς μέσην τὴν οἰκοδομήν into the middle of the building Hs 9, 7, 5; cp. 9, 8, 2; 4; 6 (cp. Philo, Fuga 49 εἰς μέσον τὸν ποταμόν; Jos., Ant. 4, 80 εἰς μέσον τὸ πῦρ). ἐσταύρωσαν … μέσον τὸν Ἰησοῦν they crucified Jesus between (them) J 19:18. ἐσχίσθη τὸ καταπέτασμα μέσον the curtain was torn in two Lk 23:45 (cp. Artem. 4, 30 τὸ ἱμάτιον μέσον ἐρρωγέναι). ἐλάκησεν μέσος Ac 1:18 (cp. Aristoph., Ran. 955). ἐν μέσοις τοῖς ὀργάνοις τοῦ διαβόλου in the midst of the tools of the devil 2 Cl 18:2 (for the syntax cp. Gen 2:9 ἐν μέσῳ τῷ παραδείσῳ).
    ⓑ as subst. neut. τὸ μ. the middle (on the absence of the art. s. B-D-F §264, 4; cp. Rob. 792) ἀνὰ μέσον τινός (s. ἀνά 1) ἀνὰ μέσον τῶν ὁρίων within or through the region Mk 7:31. ἀνὰ μ. αὐτῶν between them GPt 4:10; Hs 9, 2, 3; 9, 15, 2. ἀνὰ μ. ἐκκλησίας ἁγίων B 6:16; 4:10; διακρῖναι ἀνὰ μ. τοῦ ἀδελφοῦ between one (congregation) member and another 1 Cor 6:5 (s. ἀνά 1b. Perh. μέσος prompted a shortening of the sentence tending to obscurity; cp. the Stoic expr. μέσα καθήκοντα = καθήκοντα ἃ ἐν μέσῳ ἐστὶ κατορθωμάτων κ. ἁμαρτημάτων: MPohlenz, D. Stoa II ’49, 73f). τὸ ἀρνίον τὸ ἀ. μ. τοῦ θρόνου the lamb who is (seated) on the center of the throne Rv 7:17. ἀνὰ μ. τῆς ὁδοῦ (they made) half their journey GJs 17:3.—διὰ μέσου αὐτῶν through the midst of them (X., An. 1, 4, 4; Aesop. Fab. 147 P.=247 H./201a Ch./152 [I, II] H-H.; Am 5:17; Jer 44:4; Jdth 11:19; 1 Macc 5:46; Ath. 18, 3 ‘between’) Lk 4:30; J 8:59 v.l. διὰ μέσον Σαμαρείας καὶ Γαλιλαίας Lk 17:11 prob. can only mean through Samaria and Galilee; but this raises a practical difficulty, since we should expect to find the provinces mentioned in the opposite order. Perh. the text is damaged (cp. the vv.ll. διὰ μέσου and μέσον; s. B-D-F §222; Rob. 648; JBlinzler, AWikenhauser Festschr. ’54, 46ff. If the v.l. διὰ μέσου Σ. καὶ Γ. should be correct, we could compare Maximus Tyr. 28, 4a διὰ μέσου πίστεως κ. ἀπιστίας=throughout between). For the view that μέσον signifies the area betw. S. and G. s. the comm. Cp. δια B1.—εἰς τὸ μέσον into the middle or center (X., Cyr. 3, 1, 6; Dio Chrys. 19 [36], 24; 3 Km 6:8; Jos., Ant. 9, 149) Mk 3:3; Lk 4:35; 5:19; 6:8; J 20:19, 26 (ἔστη εἰς τὸ μέσον as Vi. Aesopi G 82 P.); Hs 9, 8, 5; also in the middle 9, 6, 1. W. gen. (X., An. 1, 5; 14a; Jer 21:4; 48:7; Sb 6270, 13) εἰς τὸ μ. αὐτῶν in the midst of them 9, 11, 7. Without the art. (LXX; Jos., Vi. 334; SibOr 3, 674) εἰς μ. τοῦ πεδίου in the middle of the plain Hs 9, 2, 1 (εἰς μ.=‘in the middle’, as Ps.-Clem., Hom. 3, 30 p. 44, 21 Lag.). τί … τὸ ἔριον εἰς μ. τῶν ἀκανθῶν τιθέασιν; Why do they place the wool in the middle of the thorns? 7:11. ἀναστὰς εἰς μ. he arose (and came) forward Mk 14:60 (cp. Theocr. 22, 82 ἐς μέσον=into the middle; Himerius, Or. 63 [=Or. 17], 2 εἰς μέσον ἔρχεσθαι=come into the open; X., Cyr. 4, 1, 1 στὰς εἰς τὸ μ.).—ἐν τῷ μ. among, before (more closely defined by the context, or = in public [so Clearch., Fgm. 45 οἴκοι καὶ μὴ ἐν τῷ μέσῳ; Appian, Liby. 15 §63]) Mt 14:6 (Dio Chrys. 30 [79], 39 ὀρχεῖσθαι ἐν τῷ μέσω; Lucian, Pereg. 8) and into the middle, before (them) (Vi. Aesopi W c. 86 στὰς ἐν τῷ μέσῳ ἔφη) Ac 4:7. Without the art. (LXX) ἐν μέσῳ (on the spelling ἐμ μέσῳ, which occurs several times as v.l., s. B-D-F §19, 1; Mlt-H. 105) abs. into the middle, before (someone) (Appian, Hann. 16 §67, Liby. 14 §59; Jos., Ant. 7, 278) J 8:3; MPol 18:1 and in the middle (Pla., Rep. 558a; Herm. Wr. 4, 3; PLille 1 recto, 5 [259 B.C.]; GrBar 13:4) J 8:9. W. gen. of place (Aeneas Tact. 1529; 1532; TestAbr A 12 p. 90, 21 [Stone p. 28], B 8 p. 113, 3 [St. p. 74]; ParJer 1:2; GrBar 10:2) τῆς θαλάσσης (En 97:7) in the middle of the lake Mk 6:47. τῆς πλατείας through the middle of the street Rv 22:2. ἐν μ. τῆς αὐλῆς in the middle of the courtyard Lk 22:55a; τοῦ τάφου GPt 13:55. ἐν μ. αὐτῆς within it (the city of Jerusalem) Lk 21:21; cp. Dg 12:3; MPol 12:1; 12:2(?). ἐν μ. τοῦ θρόνου καὶ τῶν τεσσάρων ζῴων on the center of the throne and among the four living creatures Rv 5:6a (w. double gen. also between: Appian, Hann. 14 §60, Bell. Civ. 5, 23 §92; Arrian, Anab. 1, 20, 2; 3, 28, 8 al.; Lucian, Fugit. 10 ἐν μ. ἀλαζονείας κ. φιλοσοφίας). ἐν μέσῳ τ. θρόνου around (on every side of) the throne 4:6 (but between the throne and a more remote point: RBrewer, JBL 71, ’52, 227–31).—ἐν μέσῳ ἐκκλησίας Hb 2:12 (Ps 21:23); cp. Ac 17:22. κατὰ μέσον (Jos., Bell. 5, 207; SibOr 3, 802 κατὰ μέσσον=‘in the middle’ [of the day]) κατὰ μ. τῆς νυκτός about midnight Ac 16:25 D; 27:27.
    ⓒ The neut. μέσον serves as adv. (e.g., Appian, Bell. Civ. 3, 43 §175 μ.=meanwhile) ἦν μέσον ὡς he was in the center of it as MPol 15:2; and is used as prep. w. gen. (B-D-F §215, 3; Rob. 644. Cp. Hdt. 9, 107, 2; Polyb. 8, 25, 1; Epict. 2, 22, 10; LXX, TestSol; TestAbr A 4 p. 80, 31 [Stone p. 8]; JosAs 24:21; Jos., Ant. 6, 65; SibOr 3, 319) μ. τῆς θαλάσσης in the middle of the lake Mt 14:24 v.l.; μ. γενεᾶς σκολιᾶς in the midst of a crooked generation Phil 2:15 (cp. Maximus Tyr. 36, 5a ἐν μέσῳ τῷ σιδηρῷ τούτῳ γένει).
    ② pert. to a position within a group, without focus on mediate position, among.
    ⓐ as adj. ἐκάθητο ὁ Πέτρος μέσος αὐτῶν Peter was sitting among them Lk 22:55 (the point being not as center of attention but inconspicuously in the group; cp. Jos., Ant. 9, 107). μέσος ὑμῶν ἕστηκεν J 1:26 (Jos., Ant. 14, 23). τοῦ πύργου μέσου Hs 9, 8, 2. εἶδον … μέσον αὐτῶν τὸν Παῦλον AcPl Ha 11, 14.
    ⓑ as subst. neuter ἀνὰ μέσον τινός (s. ἀνά 1) among someth. Mt 13:25. W. gen. pl. (TestJob 32:6 ἐν μέσῳ τῶν τέκνων σου) in the midst of, among in answer to the questions where and whither (B-D-F §215, 3 app.) Mt 18:2, 20; Mk 9:36; Lk 2:46; 24:36; Ac 1:15; 2:22; 6:15 D; 27:21; Rv 5:6b; cp. 6:6. Of close personal relationship ἐν μέσῳ ὑμῶν among you = in communion with you Lk 22:27; 1 Th 2:7.—ἐν μ. λύκων among wolves Mt 10:16; Lk 10:3; 2 Cl 5:2.—W. gen. pl. of things (Alciphron 3, 24, 3) Lk 8:7; Rv 1:13; 2:1. ἐκ (τοῦ) μ. from among (X., An. 1, 5, 14b; oracular response in Diod S 9, 3, 2; LXX=מִתּוֹךְ): αἴρειν τι (or τινά) ἐκ (τοῦ) μέσου (τινῶν) Col 2:14; 1 Cor 5:2 (s. αἴρω 3). ἁρπάσαι αὐτὸν ἐκ μ. αὐτῶν Ac 23:10 (s. ἁρπάζω 2a). ἀφορίζειν τοὺς πονηροὺς ἐκ μ. τῶν δικαίων Mt 13:49 (s. ἀφορίζω 1). γίνεσθαι ἐκ μ. 2 Th 2:7 (s. γίνομαι 6b). ἐξέρχεσθαι ἐκ μ. αὐτῶν from among them Ac 17:33; cp. 2 Cor 6:17 (cp. Is 52:11). κύριος λαμβάνει ἑαυτῷ ἔθνος ἐκ μ. ἐθνῶν 1 Cl 29:3 (cp. Dt 4:34).—B. 864. DELG. M-M. EDNT. TW. Sv.

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