A manuscript titled: 'Die Versatzsysteme.' (The offset systems).
Austrian Cipher Bureau (?)
Fine. Modern binding.
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A manuscript discussing offset systems (versatzsysteme). On the first page, the author states: 'Der Begriff des Versetzens kann folgendermassen festgesetzt werden: Die Klarbuchstaben der Klarschrift werden erhalten, die Klarstellen - das sind also diejenigen Stellen, die ein Klaruchstabe im Klaralphabet hat - werden nach einer estimmten Regel verwürfelt'. This roughly translates to: 'The concept of offsets can be defined as follows: the plain letters of the plain text are preserved, the clear places - these are the places that a plain language letter has in the plain alphabet - are scrambled according to a specific rule'. The author then proceeds to explore two types of offset (linear offset and areal offset), providing examples.
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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