Astrolabe: Eastern

Body, rete, uninscribed diopter with sights, pin, horse, handle, ring, and 5 tympans. Roman months and days. 24 star markers. Labeled in Arabic. Inscription: "sana`ahu muhammad ibn al-fattuh al-khama'iri bi-madinat ishbiliyya fi sanah kh.l.d. al-hijrah" [Muhammad ibn al-Futtuh al-Khama'iri made it in the city of Seville in the year A. H. 634.]