Manuscript. Persian. Title from fol. 1b. Pagination: 1st work: fol. 1b-26a (14 lines); 2nd work: fol. 27b-43a. (15 lines) First work written by ʻAlī ibn Aḥmad al-Shīrāzī; scribe of second work not identified. Gift of Cyrus Ebrahim Zadeh, Nov. 9, 2009. First work written in al-Ṭihrān [Tehran], Iran; second work written in Iran, city not identified. Paper: yellowish, polished cream color commercial paper with no visible watermarks; black ink, with rubrication and some overlining in red; some pages folded over; catchwords. First work: Cursive Naskh; 14 lines in written area 16 x 9 cm.; second work: Nastaʻliq; 15 lines in written area 16.5 x 9.5 cm. First work: Cursive Naskh; second work: Nastaʻliq. Astronomical drawings throughout in red and black. Folio 1b-26a; Folio 27b-43a. Library of Congress. Manuscript, M305. Binding: blue grain over cardboard sides, dark blue cloth spine.