Catalogue description Papers relating to the French and Polish contribution to the solution of ENIGMA,...

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Details of HW 25/16
Reference: HW 25/16
Description:

Papers relating to the French and Polish contribution to the solution of ENIGMA, particularly as revealed by General Gustave BERTRAND in his book, ENIGMA, and S A MAYER of the Polish Intelligence Service. This comprises a number of papers mostly concerning BERTRAND's book detailing the French (and Polish) contribution to the breaking of ENIGMA. Comments on the book, or the story itself, are provided by the pre-war head of the Polish Intelligence Service, members of GC & CS, the National Security Agency and the SIS. Folio 31: Views on ENIGMA expressed by Commander DUNDERDALE, SIS. Folio 34: Brig TILTMAN's comments on BERTRAND's book plus review by National Security Agency. Folio 34: Review of BERTRAND's book by J E S COOPER, of GC & CS. Folio 39: Account by S A MAYER, pre-war head of Polish Intelligence, of Polish attack on ENIGMA cypher machine. Folio 42: Covering letter to Cabinet Office, enclosing above documents for consideration by HINSLEY for his official history of 'British Intelligence in the Second World War'. Folio 42 (sic): Cabinet Office acknowledgement of receipt. Unreferenced: General assessment of Polish (and French) contribution [to breaking of ENIGMA]
Date: 1974 May 03-1978 Mar 09
Held by: The National Archives, Kew
Legal status: Public Record(s)
Closure status: Open Document, Open Description
Access conditions: Open on Transfer
Record opening date: 04 January 2001

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