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Keywords
- Almucantar[remove]22
- Early works22
- Manuscripts, Arabic22
- New Jersey--Princeton18
- Quadrants (Astronomical instruments)18
- Astronomy, Arab11
- Astronomical instruments9
- Astrolabes8
- Manuscripts, Turkish8
- Manuscripts, Persian6
- Islamic Empire4
- Prayer--Islam4
- Time measurements4
- Timekeeping4
- Arabic language3
- Astronomy3
- Dialectic3
- Eighteenth century3
- Geometry3
- Hadith3