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Keywords
- Astronomical instruments2
- Early works2
- Sundials[remove]2
- Time measurements2
- tables (documents)2
- Astronomy1
- Astronomy, Arab1
- Geographical positions1
- Ibn al-Majdī, Aḥmad ibn Rajab, 1366-1447. Irshād al-ḥāʼir1
- Manuscripts, Arabic1
- Manuscripts, Latin1
- Manuscripts, Renaissance1
- Manuscripts, Turkish1
- New Jersey--Princeton1
- Quadrants (Astronomical instruments)1
- codices (bound manuscripts)1
- diagrams1
- treatises1