C0034

'Teilungsregeln bei unregelmässigen Zahlenchiffren' (manuscript)
Title
'Teilungsregeln bei unregelmässigen Zahlenchiffren' (manuscript)
Production date
c. 1936-1937
Additional Title information
A manuscript titled: 'Teilungsregeln bei unregelmässigen Zahlenchiffren (Unregelmässigen Zahlencaesaren)' (Division rules for irregular number ciphers (irregular number caesars).
MATERIAL(s)
Paper.
Type
Book
DIMENSIONS
TBC
Serial number(s)
Contributer(S)
Austrian Cipher Bureau (?)
COLLECTION NUMBER
C0034
CONDITION
Fine. Modern binding.
Category / Subcategory (if applicable)
Location
Main collection (Durham, UK).
STATUS
In storage
provenance
Purchased from Austrian dealer Antiquariat Deinbacher (Artikel-Nr. 122304).
Acquisition Date
Jun 2021
Associated object(S)
C0030, C0031, C0032, C0033, C0035, C0036, C0037, C0038, C0039, C0040, C0041.
Record Last Updated
Aug 20, 2022
DESCRIPTION
A manuscript comprising of two parts. Part I. Einleitung (introduction). Containing subsections: 1. Allgemeines (general) and 2. Begriffe (concept). Part II. Teilungsregeln (division rules). Containing subsections: 1. Schlüsselvorschrift (key regulation), 2. Anzahl der verschiedenen möglichen eineindeutigen ziffernpaarigen Zuordnungen bei einem Normalalphabet von 26 Buchstaben (Number of different possible one-to-one digit-pair assignments in a normal alphabet of 26 letters) and 3. Teilungsregeln (division rules). The same subsections are repeated under 'Eineindeutige unregelmässige teils ziffernpaarige, teils ziffernupaarige Zuordnungen (Unregelmässigrer Zahlencaesar)' (One-to-one, irregular assignments, some of which have pairs of digits and some of which have only a few digits (irregular numbers Caesar).
Notes
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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