sextant alidade

sextant alidade
1) Военный термин: алидада секстанта
2) Техника: секстанта алидада

Универсальный англо-русский словарь. . 2011.

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Смотреть что такое "sextant alidade" в других словарях:

  • sextant — [ sɛkstɑ̃ ] n. m. • 1639; lat. sc. sextans (1602), proprt « sixième » ♦ Astron., mar. Instrument composé d un miroir tournant et d un sixième de cercle gradué, permettant de mesurer la distance angulaire d un astre avec l horizon. Faire le point… …   Encyclopédie Universelle

  • Sextant (astronomical) — This article is about the Sextant as used for astrometry. For the navigator s sextant, see Sextant . Sextants for astronomical observations were used primarily for measuring the positions of stars. They are little used today, having been replaced …   Wikipedia

  • Alidade — An alidade (archaic forms include alhidade, alhidad, alidad) is a device that allows one to sight a distant object and use the line of sight to perform a task. This task can be, for example, to draw a line on a plane table in the direction of the …   Wikipedia

  • Sextant — This article is about the sextant as used for navigation. For the astronomer s sextant, see Sextant (astronomical). : For the history and development of the sextant see Reflecting instruments A sextant is an instrument generally used to measure… …   Wikipedia

  • Astronomie arabe — Miniature ottomane de l étude de la lune et des étoiles XVIIe siècle Dans l’histoire de l astronomie, l’astronomie arabe renvoie aux découvertes astronomiques accomplies par la civilisation islamique, particulièrement au cours de l’Âge d or… …   Wikipédia en Français

  • Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …   Wikipedia

  • Mariner's astrolabe — Three Mariner s Astrolabes in the Museum of the Forte da Ponta da Bandeira; Lagos, Portugal This article is about the Mariner s astrolabe. For the Planispheric astrolabe, see Astrolabe. The mariner s astrolabe, also called sea astrolabe, was an… …   Wikipedia

  • Octant (instrument) — Octant. This instrument, labelled Crichton London, Sold by J Berry, Aberdeen, appears to have an ebony frame with ivory scale, vernier and signature plate. The index arm and mirror supports are brass. Rather than use a sighting telescope, this… …   Wikipedia

  • Theodolite — A theodolite (IPA en|θiːˈɒdəlаɪt) is an instrument for measuring both horizontal and vertical angles, as used in triangulation networks. It is a key tool in surveying and engineering work, particularly on inaccessible grounds, but theodolites… …   Wikipedia

  • Astrolabe — The astrolabe is a historical astronomical instrument used by classical astronomers, navigators, and astrologers. Its many uses included locating and predicting the positions of the Sun, Moon, planets and stars; determining local time given local …   Wikipedia

  • Ulugh Beg — Ulugh Bek Forensic facial reconstruction Born March 22, 1394 Sultaniyeh Died October 27, 1449 Occupation …   Wikipedia


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