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Keywords
- Astronomical instruments[remove]3
- Early works3
- codices (bound manuscripts)3
- treatises3
- Astrolabes2
- Manuscripts2
- Manuscripts, Arabic2
- Manuscripts, Renaissance2
- diagrams2
- Annotations1
- Astronomy1
- Astronomy, Arab1
- Compasses (Mathematical instruments)1
- Manuscripts, Latin1
- Manuscripts, Medieval1
- Sixteenth century1
- Stamps1
- Sundials1
- Thirteenth century1
- Time measurements1