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Keywords
- Early works6
- Sundials[remove]6
- Astronomical instruments3
- Time measurements3
- tables (documents)3
- Astrolabes2
- Astronomy, Arab2
- Manuscripts, Arabic2
- Manuscripts, Turkish2
- New Jersey--Princeton2
- Quadrants (Astronomical instruments)2
- diagrams2
- Almucantar1
- Arabic alphabet1
- Astrology1
- Astrology, Arab1
- Astronomy1
- Autographs1
- Besalú family1
- Comets1