A defective and chaotic version, comprising Theon’s preface and Books I-V (with Book III in Nicolaus Cabasila’s version and Book V in Pappus’s version) in disorder and with missing sections. The translation is anonymous and occurs in a single manuscript copied towards the end of the sixteenth century.

Text ‘(Florence, BML, Acquisti e Doni 694) Theonis Alexandrini commentarius in primum constructionis mathematicae Ptolemaei. Ad Epiphanium filium prohoemium. Frequentius admonitus ab auditoribus, Epiphani fili, ut eorum explanationem afferre quae unicuique ex Mathematica Ptolemaei constructione difficilia viderentur…’

Bibl. P. O. Kristeller, Iter Italicum, V, London-Leiden, 1990, 567.

Modern ed. ---