a manuscript of Tusi's recension of Euclid’s Elements of Geometry, the text composed in 17 lines of elegant cursive script within a gold margin enclosed by blue lines, numerous diagrams in red and black throughout the manuscript within a further double border in black, leather binding, approximately 250 ff., folio 22.5 x 14.1 cm., text 15.2 x 6.3 cm.

A later owner's inscription records the manuscript as having been in the possession of Ziya al-Din al-Durri al-Isfahani, dated 1928-9.

Property from a New York private collection

This commentary by Al-Tusi is arrnaged in 15 books and is based on the Arabic translations of Euclid's works by al-Hajjaj ibn Yusuf and Thabit ibn Qurra made in the 9th century. It is considered one of the most important treatises in the Arabic language and was prized amongst Western scholars with the first printed version appearing under the patronage of the Medici's in Rome in 1594. The Euclidian theorem on Geometry retained currency into the twentieth century.

The manuscript includes and owners inscription belonging to Ziya al-Din al-Durri al-Isfahani, dated 1347 (1928-9 A.D.).