Ali ibn Khalaf

Alī ibn Khalaf (Arabic) masanin taurari ne na Andalusian [1] wanda ya kasance daga cikin masana kimiyya na Ṣāʿid al- Andalusī . [2]

Ya kirkiro, tare da taimakon al-Zarqali, astrolabe na duniya. Dukkanin zane na Khalaf da al-Zarqali an haɗa su a cikin Libros del Saber (1227) na Alfonso X na Castile . 

 Bayanan da aka ambata