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


Arabus et Latinus

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Basel, Ex officina Petriana, 1559

Title page:

‘ΕΙΣ ΤΗΝ ΤΕΤΡΑΒΙΒΛΟΝ ΤΟΥ ΠΤΟΛΕΜΑΙΟΥ ΕΞΗΓΗΤΗΣ ΑΝΩΝΥΜΟΣ. In Claudii Ptolemaei Quadripartitum enarrator ignoti nominis, quem tamen Proclum fuisse quidam existimant. Item ΠΟΡΦΥΡΙΟΥ ΦΙΛΟΣΟΦΟΥ ΕΙΣΑΓΩΓΗ ΕΙΣ ΤΗΝ αποτελεσματικην του Πτολεμαιου. Porphyrii philosophi introductio in Ptolemaei opus de effectibus astrorum. Praetera Hermetis philosophi De revolutionibus nativitatum libri duo, incerto interprete. Basileae. Cum gratia et privilegio Caes<aris> maiest<atis>.’

Last page:

‘Ex officina Petriana, anno M.D.LIX, mense Septembri’.

Astrology: publisher’s letter to the reader (a2r-a2v); subject index (a3r-[b5]v); Errata ([b6]r); Ptolemaica (1-180); publisher’s letter to the reader (180); Ptolemaica (181-204); Albumasar, De revolutionibus nativitatum, attr. Hermes (205-279).


The editor of this volume is generally believed to be Hieronymus Wolf (d. 1580), but this is unlikely, for his name occurs only once, as the author of the preface to Albumasar’s text (sig. 207: ‘Ornatissimo viro, Paulo Haintzelio, patricio Augustano, Hieronymus Vuolfius S. P. D.’). This volume was rather the initiative of the publisher, i.e. Henricus Petrus or one of his associates, as suggested by the letters to the reader, which served as prefaces to the Ptolemaic sections and which are entitled ‘Typographus lectori astrologiae studioso’ (sig. a2r) and ‘Typographus lectori’ (sig. 180).


VD16 P 5250


Munich, Bayerische Staatsbibliothek, 2 886#Beibd.1



‘Enarrator ignoti nominis in Claudii Ptolemaei quatuor libros De iudiciis, anonymo interprete. In exordio Ptolemaeus contra eos disputat, qui astrologiam artem esse negant, eamque demonstrare volunt — etiam angulis e substractione ascensionum regulae rectae sphaerae, initia omnum angulorum sumus habituri. Finis enarrationis Quadripartiti mathematici Ptolemaei Claudii.’

= Greek Commentary on the Tetrabiblos (tr. in or before 1559) (C.2.11.3)

, together with the Greek text in two columns. Book I, 1-52; II, 53-85; III, 86-145; IV, 146-180. Several pages have a wrong signature.



‘Porphyrii philosophi Introductio in Claudii Ptolemaei opus de effectibus astrorum. Praefatio. Quia doctrinam de temperatura coelestium corporum et effectuum genera per illam doctrinam observata — Venus et Mercurius 14, 7 ante et totidem post. Finis.’