- sextant alidade
- 1) Военный термин: алидада секстанта2) Техника: секстанта алидада
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
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