Two treatises on gnomonics Ibn al-Raqqām, Muḥammad ibn Ibrāhīm ابن الرقام، محمد بن ابراهيم
Scope & Content:
Two treatises on the construction and use of sundials by the Andalusian scholar Abū ʿAbd Allāh Muḥammad ibn Ibrāhīm ibn ʿAlī ibn Aḥmad ibn Yūsuf al-Mursī al-Andalusī al-Tūnisī al-Awsī ibn al-Raqqām (عبد الله محمد بن إبراهيم بن علي بن أحمد بن يوسف المرسي الأندلسي التونسي الأوسي بن الرقام, d. 1315...
Risālah fī ʿilm al-ẓalālāt رسالة في علم الظلالات Ibn al-Raqqām, Muḥammad ibn Ibrāhīm ابن الرقام، محمد بن ابراهيم
Scope & Content:
A comprehensive treatise on the construction and use of several types of sundials, including explanations of the theoretical principles of gnomonics. The treatise is divided into forty-four chapters (فصول), and contains fifty diagrams. Both the content and arrangement of the text preserved here...
‘Amal ‘āmm fī ‘amal ālāt al-iẓlāl عمل عام في عمل آلات الإظلال Ibn al-Raqqām, Muḥammad ibn Ibrāhīm ابن الرقام، محمد بن ابراهيم
Scope & Content:
Fragment of a general introduction to the use of sundials. The text does not appear to be preserved elsewhere. Only one folio of this treatise is preserved and the text is imperfect at the end. The text on the lower half of f. 30v is obscured by water damage, worm holes and repairs. Begins (f. ...
Author: Ibn Qāḍī ʻAjlūn, Abū Bakr ibn ʻAbd Allāh, 1437 or 1438-1521 or 1522 VIAF ID: 73612684 Subject: Shafiites--Early works to 1800; Islamic law--Early works to 1800