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Keywords
- Astronomical instruments[remove]18
- Early works18
- Manuscripts, Arabic15
- New Jersey--Princeton12
- Astrolabes8
- Astronomy, Arab8
- diagrams8
- codices (bound manuscripts)6
- tables (documents)6
- Islamic Empire5
- Quadrants (Astronomical instruments)5
- Almucantar4
- Manuscripts, Turkish4
- Time measurements4
- Astronomy3
- Manuscripts, Persian3
- Sundials3
- Timekeeping3
- Watermarks3
- manuscripts (documents)3