A collection of short extracts of poetry and prose in Perisan and Arabic on various topics related to the natural sciences. The extracts are attributed to such authorities and works as Sharaf al-Dīn ‘Alī Yazdī (شرف الدين علي يزدي, d. 1454; f. 5r), the Optica (كتاب المناظر) of Euclid of Alexandri...