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Keywords
- Astronomical instruments[remove]3
- Early works3
- Almucantar2
- Astronomy, Arab2
- Manuscripts, Arabic2
- codices (bound manuscripts)2
- tables (documents)2
- Astronomy1
- Islamic Empire1
- Manuscripts, Latin1
- Manuscripts, Renaissance1
- Manuscripts, Turkish1
- New Jersey--Princeton1
- Quadrants (Astronomical instruments)1
- Satellites--Phases1
- Sundials1
- Time measurements1
- Timekeeping1
- compilation manuscripts1
- diagrams1