Who created "Horary Quadrant"?

Horary Quadrant was created by Muhammad ibn Mahmud in 10th century.

When was "Horary Quadrant" created?

This artwork was created 10th century.

Horary Quadrant is Brass; cast, incised.

Yes, Horary Quadrant is in the public domain and available for free download under CC0 license.

10th century

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

Museum

Metropolitan Museum of Art, New York, NY

Credit

Rogers Fund, 1936

Accession Number

36.20.54