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Keywords
- Early works4
- Manuscripts, Arabic4
- New Jersey--Princeton4
- Time measurements[remove]4
- Astronomy, Arab3
- Manuscripts, Turkish3
- Quadrants (Astronomical instruments)3
- Almucantar2
- Astrolabes2
- Astronomical instruments2
- Illustrated works2
- Islamic Empire2
- Manuscripts, Persian2
- Sundials2
- diagrams2
- tables (documents)2
- Arabic alphabet1
- Astrology, Arab1
- Autographs1
- Comets1