Search results
Results from the WOW.Com Content Network
North African, 9th century CE, planispheric astrolabe. Khalili Collection. A modern astrolabe made in 2013, in Tabriz, Iran.. An astrolabe (Ancient Greek: ἀστρολάβος astrolábos, ' star-taker '; Arabic: ٱلأَسْطُرلاب al-Asṭurlāb; Persian: ستارهیاب Setāreyāb) is an astronomical instrument dating to ancient times.
A Treatise on the Astrolabe is a medieval instruction manual on the astrolabe by Geoffrey Chaucer. It was completed in 1391. It was completed in 1391. It describes both the form and the proper use of the instrument, and stands out as a prose technical work from a writer better known for poetry, written in English rather than the more typical Latin.
The mariner's astrolabe, also called sea astrolabe, was an inclinometer used to determine the latitude of a ship at sea by measuring the sun's noon altitude (declination) or the meridian altitude of a star of known declination. Not an astrolabe proper, the mariner's astrolabe was rather a graduated circle with an alidade used to measure ...
Jost Bürgi and Antonius Eisenhoit: Armillary sphere with astronomical clock, made in 1585 in Kassel, now at Nordiska Museet in Stockholm. A armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of objects in the sky (on the celestial sphere), consisting of a spherical framework of rings, centered on Earth or the Sun, that represent lines of celestial ...
Astrolabe was originally a horse-transport barge converted into an exploration ship of the French Navy. Originally named Coquille , she is famous for her travels with Jules Dumont d'Urville . The name derives from an early navigational instrument , the astrolabe , a precursor to the sextant .
The Canterbury Astrolabe Quadrant. British Museum, London.. The Canterbury Astrolabe Quadrant is a medieval astrolabe believed to date from 1388, and which was found in an archaeological dig at the House of Agnes, [1] a bed and breakfast hotel in Canterbury, Kent, England, in 2005.
The astrolabe consists of a disk engraved with the positions of the celestial bodies. Medieval Islamic astronomy comprises the astronomical developments made in the Islamic world, particularly during the Islamic Golden Age (9th–13th centuries), and mostly written in the Arabic language.
The Astrolabe Company (German: Astrolabe-Compagnie) was a German "colonial society" (Kolonialgesellschaft) in Kaiser-Wilhelmsland, which existed from 1891 to 1896. On 27 October 1891 it was founded with a capital of 2.4 million marks .