Keywords
- Mathematics, Arab7
- Sources7
- Watermarks7
- Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad, 1201-1274. Bīst bāb dar maʻrifat-i asṭurlāb7
- Islamic countries6
- Manuscripts, Hebrew6
- Seventeenth century6
- Stamps6
- Astrology5
- Autographs5
- Jewish astronomy5
- treatises5
- Calendars4
- Manuscripts, Renaissance4
- Mulakhkhaṣ fī al-hayʼah (Jaghmīnī, Maḥmūd ibn Muḥammad)4
- Qiblah4
- Tables4
- Time measurements4
- Timekeeping4
- compilation manuscripts4