Three treatises on astronomy: (A.) Ridwan Efendi ibn 'Abdullah Abhari al-Jani al-Falaki al-Razzaz al-Misri al-Munajjim, Al-Taqwim al-Qawim fi Usul 'ilm al-Falak wa Tahrir al-Awqat, a treatise on astronomy and timekeeping Ottoman North Africa, probably Egypt, late 17th Century(3)
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