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Keywords
- Manuscripts, Arabic22
- Quadrants (Astronomical instruments)[remove]22
- Early works21
- New Jersey--Princeton18
- Almucantar11
- Astronomical instruments9
- Astrolabes8
- Astronomy, Arab7
- Mathematics, Arab5
- Manuscripts, Turkish4
- Prayer--Islam4
- Timekeeping4
- Commentaries3
- Geometry3
- Manuscripts, Persian3
- Qurʼan3
- Recitations3
- Tables3
- Watermarks3
- Astronomy2