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Keywords
- Early works5
- Time measurements[remove]5
- Astronomical instruments4
- Astronomy, Arab4
- Manuscripts, Arabic4
- New Jersey--Princeton4
- tables (documents)4
- Astrolabes3
- Manuscripts, Turkish3
- Sundials3
- diagrams3
- Almucantar2
- Geographical positions2
- Islamic Empire2
- Quadrants (Astronomical instruments)2
- scientific illustrations (images)2
- Arab countries1
- Arabic alphabet1
- Arabic language1
- Astrology, Arab1