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Keywords
- Astrolabes[remove]7
- Early works7
- Manuscripts, Arabic7
- Astronomy, Arab5
- Eighteenth century3
- Quadrants (Astronomical instruments)3
- Geometry2
- History2
- Manuscripts, Persian2
- Mathematics, Arab2
- New Jersey--Princeton2
- Timekeeping2
- Almucantar1
- Arab countries1
- Arabic poetry1
- Astronomical instruments1
- Astronomy1
- Calendar, Chinese1
- Dialectic1
- Fifteenth century1