Category
page 1Astronomy in the medieval Islamic world

astrolabe
alt=Planispheric Astrolabe made of brass, cast, with fretwork rete and surface engraving|thumb|upright=1.2|North African, planispheric astrolabe. Khalili Collections|Khalili Collection.
thumb|upright|A modern astrolabe made in 2013, in Tabriz, Iran.
quadrant
navigation instrument
astronomy in medieval Islam
overview about the Astronomy in the medieval Islamic world
Tusi couple
mathematical device in which a small circle rotates inside a larger circle twice the diameter of the smaller circle
muwaqqit
thumb|The muvakkithane ("lodge of the muwaqqit") in [[Hagia Sophia, Istanbul]]
mural instrument
angle-measuring device used for astronomical purposes
Sine quadrant
type of quadrant used by medieval Arabic astronomers