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Keywords
- Almucantar[remove]13
- Early works13
- Manuscripts, Arabic13
- New Jersey--Princeton10
- Quadrants (Astronomical instruments)10
- Astronomy, Arab7
- Astronomical instruments6
- Manuscripts, Turkish5
- Astrolabes4
- Prayer--Islam3
- Timekeeping3
- diagrams3
- tables (documents)3
- Geometry2
- Islamic Empire2
- Manuscripts, Persian2
- Mathematics, Arab2
- Qiblah2
- Satellites--Phases2
- Seventeenth century2