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Keywords
- Astronomical instruments[remove]2
- Early works2
- codices (bound manuscripts)2
- tables (documents)2
- Almucantar1
- Astronomy1
- Astronomy, Arab1
- Islamic Empire1
- Manuscripts, Arabic1
- Manuscripts, Latin1
- Manuscripts, Renaissance1
- Manuscripts, Turkish1
- Sundials1
- Time measurements1
- Timekeeping1
- compilation manuscripts1
- diagrams1
- manuscripts (documents)1
- treatises1