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Keywords
- Astronomical instruments[remove]32
- Manuscripts, Arabic32
- Early works31
- New Jersey--Princeton29
- Astronomy, Arab15
- Quadrants (Astronomical instruments)15
- Astrolabes14
- Almucantar10
- Manuscripts, Turkish9
- Islamic Empire8
- Timekeeping8
- diagrams6
- Commentaries5
- Hadith5
- Prayer--Islam5
- Qurʼan5
- Logic4
- tables (documents)4
- Arabic language3
- Islam3