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Keywords
- Almucantar[remove]12
- Early works12
- Manuscripts, Arabic12
- Quadrants (Astronomical instruments)9
- Astronomy, Arab8
- New Jersey--Princeton8
- Astronomical instruments6
- Astrolabes4
- Manuscripts, Turkish4
- Timekeeping4
- diagrams3
- tables (documents)3
- Astronomy2
- Islamic Empire2
- Mathematics, Arab2
- Prayer--Islam2
- Qiblah2
- Satellites--Phases2
- Seventeenth century2
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)2