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Keywords
- Early works12
- Manuscripts, Arabic12
- Quadrants (Astronomical instruments)[remove]12
- New Jersey--Princeton10
- Almucantar7
- Astrolabes7
- Astronomical instruments7
- Astronomy, Arab6
- Eighteenth century3
- Geometry2
- Islamic Empire2
- Prayer--Islam2
- Tables2
- Timekeeping2
- Astrology1
- Astronomy1
- Calendar, Chinese1
- Calendars1
- Dialectic1
- Intellectual life1