Fols. 20; 23 x 16.5 cm.; written surface 17.3 x 10.4 cm.; 23 lines to page; on glazed European paper; in naskhi; with catchwords; entries in red.An abridgment of Uṣūl al-raṣd al-jadīd, an astronomical work by Ulugh Bey ibn Shāh Rukh ibn Tīmūr A.H. 796-852 A.D. 1393/4-1448/9.Beg.: بسم الله ... الحمد لله واهب المنن من فضله العمىمColophon: تم وکمل والحمد لله رب العالمىن م على ىد افقر العباد واحوجهم الى الله احمد البدوي البتنوني الشافعي الازهري عفي عنهA few marginal notes; ruled marginal lines in red. Work contains a number of charts. MS in good condition; Arabic binding with flap.Acquired from Brill, Leyden, A.D. 1900.ḥājjī Khalīfah, Kashf al-ẓunūn (1835-58), III, pp. 197/8; Ahlwardt, Verzeichnis der arabischen Handschriften, 5757; Bibliothecae Bodleianae codicum MSS orientalium, II, 277; Catalogus codicum arabicorum Bibliothecae Academiae Lugduno-Batavae, 1140.