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Keywords
- Quadrants (Astronomical instruments)[remove]18
- Early works17
- Manuscripts, Arabic17
- New Jersey--Princeton13
- Almucantar9
- Astronomy, Arab7
- Astronomical instruments6
- Astrolabes5
- Mathematics, Arab5
- Astronomy3
- Commentaries3
- Manuscripts, Turkish3
- Prayer--Islam3
- Qurʼan3
- Recitations3
- Tables3
- Timekeeping3
- Watermarks3
- Autographs2
- Eighteenth century2