Islamic ArtMetal10th centuryBy Muhammad ibn Mahmud
Horary quadrant is a metal Nishapur from Iran created in 10th century using brass; cast, incised measuring H. 2 7/8 in. (7.3 cm) W. 2 1/2 in. (7.0 cm) attributed to Muhammad ibn Mahmud — now part of the Islamic Art collection at The Metropolitan Museum of Art.
About This Artwork
| Medium | Brass; cast, incised |
| Dimensions | H. 2 7/8 in. (7.3 cm) W. 2 1/2 in. (7.0 cm) |
| Classification | Metal |
| Department | Islamic Art |
| Credit Line | Rogers Fund, 1936 |
| Date | 10th century |
Historical Context
Geography
Origin: Nishapur, Iran. 
Frequently Asked Questions
What department houses Horary quadrant?
Horary quadrant is housed in the Islamic Art department of The Metropolitan Museum of Art.
When was Horary quadrant created?
Horary quadrant dates to 10th century.
What material is Horary quadrant made from?
Horary quadrant is crafted from brass; cast, incised.
Where does Horary quadrant originate?
Horary quadrant originates from Iran.
Is Horary quadrant in the public domain?
Horary quadrant is in the public domain and can be freely used.
Data Source: The Metropolitan Museum of Art Open Access · Last updated: April 2026