A text of astral magic, of which only the first lines, comprising a short preface and the beginning of the first chapter, survive in a fifteenth-century manuscript. The first chapter deals with the making of a talisman to destroy a city or a castle by means of an image of Saturn made in the second decan of … (?) at the hour of Saturn (?). The sign and the planet involved are denoted by unclear symbols.

Text ‘(Paris, BnF, lat. 17178) Ptholomei regis Egiptii liber incipit. Antiquorum secreta ruminando philosoforum nullum opus in arte misci (?) opere de y<maginib>us certius nec fortius… Sequitur operatio y<maginis> ad civitatis destructionem. Si ergo volueris operari ad destructionem alicuius civitatis vel castri vel villae, funde y<maginem> Saturni — carmen conveniens tali negocio quod in fine libri sequitur parte (?) acci…’

Bibl. G. Bohak, C. Burnett, Thābit ibn Qurra On Talismans and Ps.-Ptolemy On Images 1-9, Together with the Liber prestigiorum Thebidis of Adelard of Bath, Firenze, 2021, 33 n. 58.

Modern ed. ---