SHARH-I MUKHTASAR AL-SALAHI BY SHAMSUDDIN MOHAMMAD EBN AL MUZAFFAR AL KHATIBI (D. 1344) Egypt or Syria, dated 785 AH (1383) Arabic manuscript on arithmetic, algebra, and geometry, 84ff. plus three fly-leaves, each folio with 21ll. of black ink naskh on paper, with red markings and geometric drawings, signed Sheikh Hassan Al Rumi, in later calf binding, the folio 15.2cm x 105cm.