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Keywords
- Almucantar[remove]5
- Astronomy, Arab5
- Early works5
- Manuscripts, Arabic5
- Astronomical instruments4
- New Jersey--Princeton4
- diagrams4
- tables (documents)4
- Astrolabes3
- Islamic Empire3
- Manuscripts, Turkish3
- Quadrants (Astronomical instruments)3
- Illustrated works2
- Time measurements2
- Timekeeping2
- Watermarks2
- scientific illustrations (images)2
- Arabic alphabet1
- Arabic language1
- Arithmetic1