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Keywords
- Astrolabes[remove]10
- Early works10
- Manuscripts, Arabic10
- New Jersey--Princeton8
- Astronomy, Arab7
- Astronomical instruments5
- Manuscripts, Persian5
- Geometry3
- Islamic Empire3
- Quadrants (Astronomical instruments)3
- Timekeeping3
- Almucantar2
- Autographs2
- Calendars2
- Dialectic2
- Elements (Euclid)2
- Manuscripts, Turkish2
- Mathematics, Arab2
- Qiblah2
- Seventeenth century2