Astrolabe
Astrolabe of ‘Umar ibn Yusuf ibn ‘Umar ibn ‘Ali ibn Rasul al-Muzaffari
‘Umar ibn Yusuf ibn ‘Umar ibn ‘Ali ibn Rasul al-Muzaffari
Yemini, ruled 1295–96
‘Umar ibn Yusuf ibn ‘Umar ibn ‘Ali ibn Rasul al-Muzaffari
dated A.H. 690/ 1291 CE
Brass; cast and hammered, pierced, chased, inlaid with silver
Edward C. Moore Collection, Bequest of Edward C. Moore, 1891
Astronomy