Catalogue description Military Cryptanalysis (German) - Early historical notes. A P Mahon's manuscript...

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Details of HW 25/18
Reference: HW 25/18
Description:

Military Cryptanalysis (German) - Early historical notes. A P Mahon's manuscript notebook, containing notes on the work of Bletchley Park, particularly Hut 8, on German Naval ENIGMA, probably in preparation for his Hut 8 History (see HW25/2)

Date: 1920 Jan 01-1945 Dec 31
Held by: The National Archives, Kew
Legal status: Public Record(s)
Closure status: Open Document, Open Description

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