min taʼlīf Khwajah Nasīr al-Dīn al-Ṭūsī = Euclidis Elementorum geometricorum libri tredecimextraditione doctissimi Nasiridini Tusini nunc primum Arabicè impressi.First edition in Arabic.Arabic title romanized.Signatures: 1-50⁴.Pages are numbered in numerals of the traditional Arabic font on p. 2-400 and also in modern Arabic numerals on p. 2, 7 (misnumbered 8), 8, and 25-400.Title and text within double line borders; title vignette."Maqālah al-ūlá ilá al-thālithah ʻashar" on top of double line borders of the page.Text in Arabic only.
Title supplied by cataloger.Written in one column with paragraphs in two columns, 14 lines per page, in black and red.Cream laid paper. 20.4 x 15 cm. (14-15 x 9-9.5 cm.).Bound. Marbled paper over board. Brown leather over spine.MS Arab 263. Houghton Library, Harvard University.In Arabic.