Paper, 147 f., several hands. Several folia are missing at the beginning, between f. 50 and 51 (several pages cut off) and at the end. The last pages of the MS, esp. f. 144-147, are damaged.

Astronomy, astrology, geometry, arithmetic, music and physics: text on the astrolabe, beginning gone ‘… comparatio stature ad planiciem. Explicit’ (1r-6v); ‘Si vis scire utrum astrolabium recte pendit vel non…’ (6v-7r); ‘Astrolabium ita construitur: recipe tabulas de auricalco ad hoc aptas…’ (7r-12v); ‘Operaturus autem per chilindrum, si vis scire horas cuiuscumque diei… Investigantibus chilindri compositionem quod dicitur horologium viatorum, sumatur lignum…’ (12v-14v); ‘Describemus circulum ABCD super centrum E et dividemus in quatuor partes…’ (15r-16v); ‘Speram solidam sic complebis querendo primo per circinum…’ (17r-17v); ‘Alia compositio chilindri licet omnes coincidunt. De figura autem chilindri est sciendum quod totum corpus chylindri…’ (17v-19v); ‘Sequitur practica chylindri et incipit s… (?) canones eius. Operaturus autem per chylindrum si vis scire horas cuiuscumque diei…’ (19v); ‘Questio proposita fuit numquid Luna semper equaliter distat a centro universi…’ (20r-30r); ‘Series temporum secundum Albategni. Ab Adam ad Diluvium…’ (30r-30v); Pseudo-Thebit Bencora, De motu octave spere (32r-37r); Ptolemaica (37v-42v); Thebit Bencora, De recta imaginatione spere et circulorum eius diversorum (42v-44v); Thebit Bencora (?), De quantitate stellarum et planetarum et proportione terre (44v-48r); Pseudo-Albertus Magnus, Speculum astronomie, c. 1-5 due to missing folia (48r-50v); ‘Nota: Umbra est recta quam facit res infixa rei infixa rei…’ (51r-53v); John of Murs, Arithmetica speculativa (54r-62v); Thomas Bradwardine, Tractatus proportionum, abridged version (63r-69v); ‘In collecto presenti plura narrabo, primo terminorum aliquorum notificationem…’ (69v-77r); ‘Quoniam de practica arismetice in algorismo quo ad integra sufficienter…’ (77r-89v); geometrical and astrological diagrams (89v-90r); notes and diagram of computus (90v); ‘Nota: Luna est immutationis temporum, ut dicit Beda. Si Luna in principio rubeat ut aurum…’ (90v); ‘Nota quod augmentum Lune est ab 1 usque ad 15…’ (91r-91v); ‘Capitulum primum de dispositione quandrantis et de expositione linearum et circulorum ipsius. Hunc tractatum divisimus in 16 capitula, et primo sciendum est quod in fine istius instrumenti, scilicet in limbo…’ (92ra-103rb); John of Murs, Musica speculativa (104r-115v); ‘Opus istud in quatuor partes distinguitur. In prima planismetriam et superficierum quantitatis…’ (116r-131v); Campanus of Novara, De figura sectore (131v-133r); ‘Proportio est duarum quantitatum eiusdem generis ad invicem habitudo…’ (133v-137r); Zenodorus, De isoperimetris (137r-140v); ‘De ingeniis ductuum aquarum. In nomine Dei pii et misericodris incipit liber Phylonii de specialibus ingeniis…’ (140v-144r); computus text, whose beginning is gone due to damage (144v-145r); ‘Nota: 12 sunt passiones, videlicet amor, odium…’ (145r-147v). Blank: 31, 103v.

Bibl. W. Wisłocki, Katalog rękopisόw Biblijoteki Uniwersytetu Jagiellońskiego, II, Krakόw, 1881, 479; P. Zambelli, S. Caroti, M. Pereira, S. Zamponi, Alberto magno: Speculum astronomiae, Pisa, 1977, 142-143; G. Rosińska, Scientific Writings and Astronomical Tables in Cracow. A Census of Manuscript Sources (xiv^th-xvi^th Centuries), Wrocław-Warszawa, 1984, 555 (index); A. Paravicini Bagliani, Le Speculum Astronomiae, une énigme? Enquête sur les manuscrits, Turnhout, 2001, 26.