/ From eleventh-century Spain
From eleventh-century Spain
This is one of the earliest instruments to survive from Muslim Spain. Its maker was born in Zaragosa but studied in Egypt. Two of his instruments are known to have survived. Places mentioned where the latitude plates can be used include Mecca, Cairo, Medina, Alexandria, Basra, Baghdad, Fez, Damascus, Tunis, Tarsus, Granada, Málaga, Sardinia, Azerbaijan, Cordova, Seville, Valencia, Toledo, Zaragosa and Rome.
Astrolabe, by Muhammad ibn Sa'id as-Sabban, Guadalajara, 1081/2 (Inv. 52473)