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Category: Arab/Arab American

Image of an ornate clock showing 2:05 with sculpted male figures sitting on each side of the clock face

Newly Acquired Arabic Manuscript on Early Astronomy and Mathematics

Posted by: Erin Allen

(The following is a guest post by Anchi Hoh, program specialist in the African and Middle Eastern Division.) The Library of Congress’s African and Middle Eastern Division recently added to its treasure trove a very important 15th century Arabic manuscript on astronomy and mathematics. “Tahrir al-Majisti” (“Commentary on the Almagest”), by Nasir al-Din al-Tusi, is …