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Keywords
- Astrolabes[remove]39
- Early works38
- Manuscripts, Arabic23
- New Jersey--Princeton22
- Astronomy, Arab17
- Manuscripts, Persian14
- Astronomical instruments9
- Islamic Empire9
- diagrams9
- Quadrants (Astronomical instruments)8
- codices (bound manuscripts)7
- Fifteenth century6
- Timekeeping6
- Almucantar5
- Astronomy5
- Mathematics, Arab5
- Qiblah5
- manuscripts (documents)5
- tables (documents)5
- Astrology4