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Keywords
- Astronomical instruments[remove]24
- Early works22
- New Jersey--Princeton20
- Manuscripts, Arabic19
- Astrolabes9
- Astronomy, Arab9
- Quadrants (Astronomical instruments)9
- Islamic Empire7
- Almucantar6
- Timekeeping5
- Manuscripts, Turkish4
- Prayer--Islam4
- diagrams4
- tables (documents)4
- Astronomy3
- Commentaries3
- Islamic law3
- Manuscripts, Persian3
- Qiblah3
- Qurʼan3