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Keywords
- Astrolabes[remove]11
- Early works11
- Manuscripts, Arabic10
- New Jersey--Princeton7
- Quadrants (Astronomical instruments)7
- Astronomy, Arab6
- Eighteenth century5
- Almucantar4
- Astronomical instruments3
- Islamic Empire3
- Timekeeping3
- Arabic poetry2
- Geometry2
- Manuscripts, Persian2
- Mathematics, Arab2
- Tables2
- Arithmetic1
- Astrology1
- Astronomy1
- Calendar, Chinese1