Catalogue description ENIGMA history. Papers relating to the pre-war meetings between French and Polish...

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Details of HW 25/12
Reference: HW 25/12
Description:

ENIGMA history. Papers relating to the pre-war meetings between French and Polish cryptanalysts and members of GC & CS on the subject of ENIGMA; subsequent wartime correspondence between KNOX and DENNISTON on ENIGMA processing at Bletchley Park
Date: 1938 Sept 09-1943 June 05
Held by: The National Archives, Kew
Legal status: Public Record(s)
Language: English, French and German
Closure status: Open Document, Open Description

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