Joanes Tritemius Abbas Sancti Jacobi. s.d.

Joanes Tritemius Abbas Sancti Jacobi. s.d.

TRITHEMIUS (Johannes)
Polygraphiae libri sex Ioannis Trithemij, abbatis Peapolitani quondam Spanheimensis, ad Maximilianum Caesarem. [Reichenau]: Impressum ductu Ioannis Haselberg de Aia, 1518, Jul.

a4[de 6], b[6], A8, B-Z6, a-m6, n8, o-r6; [249 de 270] ff.; 270 mm.

FIRST EDITION, very rare, of this famous work on the art of secret writing.

Johannes Trithemius's Polygraphia (1518) is one of the earliest works on cryptography, widely considered to be the first printed treatise on the subject. Trithemius, a Benedictine abbot, developed methods of secret communication using codes and hidden writing systems in this work. Polygraphia describes different cryptographic techniques ranging from simple substitution to complex polyalphabetic coding systems.

The work was originally published with a second part entitled Clavis Polygraphiæ which this copy does not have.

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