Project icon: lavishly furnished initial letter with a painting of Ptolemy using an astrolab.

Ptolemaeus Arabus et Latinus

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Cracow, Biblioteka Jagiellońska, 580

s. XV2 (c. 1450-1465).


northern Italy.


Martin Bylica de Olkusz (cf. f. 1r: ‘Liber Martini de Ilkus, plebani Budensis et custodis Kelcensis’), who annotated and corrected the text on f. 1v, 2r, 3r, 13r and 14r-23r. The MS was perhaps aimed for Rodrigo Borgia (future Alexander VI).

Paper, 189 f., two very neat hands (I: f. 1-91 and 120-188; II: f. 92-103), ms. richly decorated with painted initials at the beginning of each book of the Mathesis.

Astrology: Firmicus Maternus, Mathesis (1r-187v); Ptolemaica (187v-188v). Blank: 189.


G. Rosińska, Scientific Writings and Astronomical Tables in Cracow. A Census of Manuscripts Sources (xivth-xvith Centuries), Wrocław-Warszawa, 1984, 553 (index); M. Kowalczyk et al., Catalogus codicum manuscriptorum medii aevi latinorum qui in Bibliotheca Jagellonica Cracoviae asservantur, IV: Numeros continens inde a 564 usque ad 667, Wrocław, 1988, 86-87; M. Rinaldi, ‘Sic itur ad astra’. Giovanni Pontano e la sua opera astrologica nel quadro della tradizione manoscritta della Mathesis di Giulio Firmico Materno, Napoli, 2002, 238.


‘Quoniam in primo libro partium terminos et loca posuimus, iudicia sub earundem demonstratione curavimus. Pars fortune et eius dominus corpus — participio erit assumenda. Pars item peccunie…’

= Pseudo-Ptolemy, De iudiciis partium (B.6)

, breaks off mid-sentence in the part associated to the second house No glosses.