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Keywords
- Astronomical instruments[remove]36
- Early works33
- New Jersey--Princeton32
- Manuscripts, Arabic31
- Quadrants (Astronomical instruments)16
- Astrolabes14
- Astronomy, Arab14
- Almucantar11
- Manuscripts, Turkish10
- Islamic Empire9
- Timekeeping8
- diagrams7
- Manuscripts, Persian6
- Commentaries5
- Hadith5
- Prayer--Islam5
- Qurʼan5
- tables (documents)5
- Astronomy4
- Logic4