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The first known metal astrolabe in Western Europe is the Destombes astrolabe made from brass in the eleventh century in Portugal. [ 27 ] [ 28 ] (p 140) Metal astrolabes avoided the warping that large wooden ones were prone to, allowing the construction of larger and therefore more accurate instruments.
The Verona astrolabe is an archaeological discovery unearthed in the vaults of a museum in Verona, Italy. [1] Dating back to the eleventh century, this Islamic astrolabe is one of the oldest examples of its kind and is among the few known to exist worldwide. It appears to have been employed by Muslim, Jewish, and Christian communities spanning ...
An astrolabe from the Mughal era exhibited at the National Museum in New Delhi, India. Yantrarāja is the Sanskrit name for the ancient astronomical instrument called astrolabe . It is also the title of a Sanskrit treatise on the construction and working of the astrolabe composed by a Jain astronomer Mahendra Sūri in around 1370 CE.
Jean Fusoris (c. 1355/1365 – 1436) was a medieval French clergyman and astronomer who designed astrolabes and other astronomical instruments made of brass. He also published a treatise on the construction of the astrolabe.
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 Canterbury Astrolabe Quadrant is the only one of its kind known to have been definitely made in England. [2]
[9] [11] The astrolabe was confirmed by laser scanning, which revealed a series of 18 gradations marking 5-degree intervals, and has been named the Sodré astrolabe. It has been proposed that the Sodré astrolabe is a transitional instrument between the classic planispheric astrolabe from which the first mariner's astrolabes made of brass were ...
The center of attention is light as a hinge between new science and old religion — Christian, Jewish and Muslim — as manifest in around 100 Medieval art objects made in Western Europe.
Zacuto's tables in conjunction with the new metal nautical astrolabe allowed navigators to take accurate readings anywhere. Already in 1497, Vasco da Gama made use of Zacuto's tables and the astrolabe on his maiden trip to India. [7] It continued to be used by Portuguese ships thereafter to reach far-off destinations such as Brazil and India. [8]