The astrolabe, an invention of Hellenistic Alexandria, was the principal Islamic instrument for telling the time, surveying and determining latitude. By the later 9th century it was used througho ... See full description on web site.
Date
9th century AD
Medium
brass, cast, with fretwork rete and surface engraving
DescriptionKhalili Collection Islamic Art sci 0430 back.jpg
Planispheric Astrolabe
Source
Khalili Collections
Author
Khalili Collections
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