A manuscript titled: 'Geheimschriften-Methoden, die sowohl den Ersatztypus als auch den Versatztypus aufweisen. System Bazeries und System Schneider und ihre Entraetselung.' (Cipher methods that have both the substitute type and the offset type. System Bazeries and System Schneider and their unraveling).
Austrian Cipher Bureau (?)
Fine. Modern binding.
Excellent - Object has no apparent wear or defects. Fine - Object has no significant wear or defects. Good - Object has some wear or defects, but is otherwise stable. Fair - Object has wear or defects commensurate with age. Poor - Object damaged and/or fragile.
A manuscript concerning the Bazeries and Schneider cipher systems, comprising of two parts. Part 1: Geheimschriften-Methoden System Bazeries (Cipher Methods System Bazeries). Part II: Geheimschriften-Methode System Schneider (Cipher Methods System Schneider). Both parts containing subsections: 1. Typisierung (typing) and 2. Verwandlung der Klarschrift in Geheimschrift (conversion of plain text into cipher text).
Acquired as part of a collection of 12 manuscripts addressing codebreaking and cryptanalysis. The manuscripts are linked to a series of training courses and lectures held in Vienna between the 17th of April - 19th of June 1936 and the 16th of October - 25th of June 1937. The manuscripts were probably produced by the Austrian Cipher Bureau.
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