angular instrument

angular instrument
углоизмерительный прибор

English-Russian arms dictionary. 2013.

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  • Angular resolution — describes the resolving power of any image forming device such as an optical or radio telescope, a microscope, a camera, or an eye. Definition of terms Resolving power is the ability of the components of an imaging device to measure the angular… …   Wikipedia

  • angular harp — ▪ musical instrument  musical instrument in which the neck forms a clear angle with the resonator, or belly; it is one of the principal varieties of the harp. The earliest known depictions of angular harps are from Mesopotamia about 2000 BC. In… …   Universalium

  • Angular sections — Section Sec tion, n. [L. sectio, fr. secare, sectum, to cut; akin to E. saw a cutting instrument: cf. F. section. See {Saw}, and cf. {Scion}, {Dissect}, {Insect}, {Secant}, {Segment}.] 1. The act of cutting, or separation by cutting; as, the… …   The Collaborative International Dictionary of English

  • angular aperture — noun : the angle subtended at the principal focus of an optical system by the diameter of its entrance pupil * * * angular aperture, the angular breadth of the light which an optical instrument transmits from the point viewed …   Useful english dictionary

  • angular magnification — noun : the ratio of the angle subtended at the eye by the image formed by an optical instrument to that subtended at the eye by the object when not viewed through the instrument * * * Optics. the ratio of the angle subtended at the eye by the… …   Useful english dictionary

  • angular magnification — Optics. the ratio of the angle subtended at the eye by the image formed by an optical instrument to the angle subtended at the eye by the object being viewed. * * * …   Universalium

  • Reflecting instrument — Reflecting instruments are those that use mirrors to enhance their ability to make measurements. In particular, the use of mirrors permits one to observe two objects simultaneously while measuring the angular distance between the objects. While… …   Wikipedia

  • Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …   Wikipedia

  • Saturn V Instrument Unit — The Saturn V Instrument Unit is a ring shaped structure fitted to the top of the Saturn V rocket s third stage (S IVB) and the Saturn IB s second stage (S IVB). It was immediately below the SLA (Spacecraft/Lunar Module Adapter) panels that… …   Wikipedia

  • stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments. * * * Any musical instrument that produces sound by the… …   Universalium

  • Quadrant (instrument) — Ptolemy using a quadrant A quadrant is an instrument that is used to measure angles up to 90°. It was originally proposed by Ptolemy as a better kind of astrolabe.[1] Several different variations of the instrument were later produced by medieval… …   Wikipedia

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