A Persian Treatise on Astrolabe Ascribed to ‘Abd al-Rah?m?n al-S??f?

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Abstract

Abd al-Rah?m?n al-S??f? is a well-known astronomer who has some works in astronomy, mathematics and alchemy. The importance of his S?uwar al-Kaw?kib (book about the constellations) caused that researchers don’t practice his other works. Four treatises on astrolabe are ascribed to al-S??f?, any one of them is in Persian. Attribution of the three Arabic treatises among these four to him is certain. In this article, besides providing a critical edition of the Persian text, its contents are compared with the Arabic versions.

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