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Keywords
- Astrolabes[remove]9
- Manuscripts, Arabic8
- New Jersey--Princeton8
- Early works7
- Astronomical instruments5
- Astronomy, Arab4
- Watermarks4
- Almucantar3
- Autographs3
- Quadrants (Astronomical instruments)3
- Time measurements3
- diagrams3
- Astrology, Arab2
- Islamic Empire2
- Manuscripts, Turkish2
- scientific illustrations (images)2
- tables (documents)2
- Arab countries1
- Arabic alphabet1
- Arabic language1