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Keywords
- Early works6
- Time measurements[remove]6
- Astronomical instruments4
- Astronomy, Arab4
- Manuscripts, Arabic4
- New Jersey--Princeton4
- diagrams4
- tables (documents)4
- Astrolabes3
- Manuscripts, Turkish3
- Sundials3
- Almucantar2
- Astronomy2
- Geographical positions2
- Islamic Empire2
- Manuscripts, Latin2
- Quadrants (Astronomical instruments)2
- codices (bound manuscripts)2
- scientific illustrations (images)2
- treatises2