Hieronymi Cardani mediolanensis medici De subtilitate libri XXI
By: ab authore plusquam mille locis illustratt, nonnullis etiam cum additionibus ; addita insuper Apologia adversus calumniatorem, qua uis horum librorum aperitur.
Publisher: Ex officina Petrina
Published: 1560
Place of publication: Basileæ
Language: lat
Number of pages: 1426
Subjects: Philosophy.; Science -- Early works to 1800.; Inventions.
Other titles: De subtilitate libri XXI.
Notes: Among several inventions described and partly illustrated in this work are a telegraph and an alphabetical combination lock.  Book XVI, "De scientiis," contains treatises on music, algebra, arithmetic and geometry.

Third edition, in which the author retracts his famous statement (printed in the 2nd ed.), "Igitur his arbitrio victoriæ relictis," a remark that made his religious convictions suspect to the authorities of church and state.  See Brunet V, 1573 which lists this edition.

"Hieronymi Cardani ... In calumniatorem librorum De subtilitate, actio prima ad Franciscum Abundium": p. 1265-1426 (the author's Apology).

Includes indices.