Columbia University Library MS Or 30, Uṣūl al-handasah wa-al-ḥisāb, Uqlīdis, اصول الهندسة والحساب / اقليدس. Iran?, 1348. Copy of the Arabic translation of Euclid's Elements by Nasir ad Din at Tusi
identification by Rabbi Isaac Elchanan
p 13, figures I.1, I.2 et variantes
p 13, figure I.5 et variantes
p 22, figure I.22
p 36, figures I.43 et I.44
p 38, figure I.47
p 91, figure VI.1
p 163, figure XI.31
p 168, figure XII.1
p 190, figure XIII.17
---------- beaucoup de figures pâles à effacées, many pale or erased figures
translations of Euclid's Elements by Nasir ad Din at Tusi
Columbia University Library
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