Catalogue description Early ENIGMA Papers, all undated. Peter TWINN: ENIGMA (General). FOSS' system of...

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Details of HW 25/9
Reference: HW 25/9
Description:

Early ENIGMA Papers, all undated. Peter TWINN: ENIGMA (General). FOSS' system of rectangles. Explanation of keys of the ENIGMA Cipher machine (translation from German). Directions for use of keys on the cipher machine ENIGMA I (translation from German). ZYKLOMETER schematic. Notes on the Signal Experimental Establishment (SEE) test set
Date: 1933 Jan 01-1943 Dec 31
Held by: The National Archives, Kew
Legal status: Public Record(s)
Closure status: Open Document, Open Description

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