Written in one column, 19 lines per page, in black and red.Paper. 20 x 13 cm. (12.5 x 6.8 cm.).Black cloth; tan leather spine and corners.According to the colophon (f. 80r), copy completed in the hand of Ṣāliḥ ibn Khūnd Miyān ibn Mawlānā Aḥmad ibn Mawlānā Shaykh Ḥusām al-Dīn.On f. 1r, ownership seal: Muḥammad Yūsuf Shāh, 1189 AH 1775 or 6 AD.MS Arab SM4287. Houghton Library, Harvard University.In Arabic.
Title from f. 1v.Black cloth; tan leather spine and corners.Written in one column, 13 lines per page, in black and red.According to the colophon (f. 199r), copy completed in the hand of Khwājah Munawwar ʻAlī in Hyderabad on 25 Jumādá al-Ūlá 1256 AH March 11, 1840 AD.MS Arab SM4286. Houghton Library, Harvard University.In Arabic.
Written in one column, 21 lines per page, in black rubricated in red.Written between 9 Shawwāl - 5 Dhū al-Qaʻdah 1008 AH April 23 - May 18 1600 AD.According to the colophon (f. 74v), copy completed on 2 Ṣafar 1047 AH June 25, 1637 AD.MS Arab SM7028. Houghton Library, Harvard University.In Arabic.
Title from f. 1r.Written in one column, 17 lines per page, in black and red.Cream laid paper. 25.5 x 15.5 cm. (18 x 9.5 cm.)Bound in red leather.Illegible ownership statement on f. 1r dated 1169 AH 1755 or 56 AD.MS Arab SM4289. Houghton Library, Harvard University.In Arabic.
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.