Catalogue search results

Filters

Results

• Catalogue level

  Piece

  Accessions administration: HW 25

  Accessions administration: HW 25

  Held by

  The National Archives, Kew

  Date

  1999 Jan 1 - 2004 Dec 31

  Reference

  PRO 57/15756

• Catalogue level

  Item

  R883860 TOOTELL HW 25/10/1952 MANCHESTER

  R883860 TOOTELL HW 25/10/1952 MANCHESTER

  Held by

  The National Archives, Kew

  Date

  1913 - 1972

  Reference

  BT 372/2876/80

• Catalogue level

  Item

  See HW 15/25 1944 Aug 23

  See HW 15/25 1944 Aug 23

  Held by

  The National Archives, Kew

  Date

  1944 Dec 28

  Reference

  HW 15/27/85

• Catalogue level

  Piece

  Name: HW Brown. Service number: 5783898/1. Date of birth: 25 September 1922.

  Date of birth: 25 September 1922.

  Held by

  The National Archives, Kew

  Date

  [1939-1963]

  Reference

  WO 423/670377

• Catalogue level

  Division

  General records of the Government Code and Cypher School

  -c7">HW 7, HW 11; Histories of work at Bletchley Park HW 25, HW 43; Special Liaison Units histories

  Held by

  Date

  1914-1979

  Reference

• Catalogue level

  Piece

  War Office translations of two papers entitled 'ENIGMA Enciphering Machine' and 'Typewriting...

  War Office translations of two papers entitled 'ENIGMA Enciphering Machine' and 'Typewriting and Enciphering Machine, The ENIGMA'

  Held by

  The National Archives, Kew

  Date

  Reference

  HW 25/25

• Catalogue level

  Series

  Government Code and Cypher School: Cryptographic Studies

  At the end of the Second World War histories were written of various aspects of the work of the Bletchley Park organisation. Records in the series include volumes covering the breaking of two of the major cypher systems used by the enemy - ENIGMA and…

  Held by

  The National Archives, Kew

  Date

  1920-1978

  Reference

  HW 25

• Catalogue level

  Item

  New York. See May 31

  New York. See May 31

  Held by

  The National Archives, Kew

  Date

  1944 Aug 12

  Reference

  HW 15/25/25

• Catalogue level

  Piece

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

  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)

  Held by

  The National Archives, Kew

  Date

  1920 Jan 01-1945 Dec 31

  Reference

  HW 25/18

• Catalogue level

  Piece

  Letter from Cdr Travis to Nigel de Grey, recounting his recollections of the search...

  Letter from Cdr Travis to Nigel de Grey, recounting his recollections of the search to find a means of speeding up Bombes in 1941

  Held by

  The National Archives, Kew

  Date

  1941 Jan 01 - 1950 Jan 17

  Reference

  HW 25/32

• Catalogue level

  Piece

  Major Curtis of Hut 3 makes further attempt to play a greater role, suggests he runs...

  Major Curtis of Hut 3 makes further attempt to play a greater role, suggests he runs a Hut 3 training organisation; JCC minutes; meeting at BP on Dec 27 on future of UK Sigint; weekly return of GCCS staff by hut, quoting gains and losses, staff list …

  Held by

  The National Archives, Kew

  Date

  1941 Dec 16-31

  Reference

  HW 14/25

• Catalogue level

  Piece

  Bombe Register II, which had been on loan to the Historical section.Continuation...

  Bombe Register II, which had been on loan to the Historical section.Continuation of Vol I

  Held by

  The National Archives, Kew

  Date

  1940 Jan 01-1945 Dec 31

  Reference

  HW 25/20

• Catalogue level

  Piece

  Mathematical theory of ENIGMA machine by Alan Mathison Turing. (1) Also known as...

  Mathematical theory of ENIGMA machine by Alan MathisonTuring. (1) Also known as 'Prof's book'. (2) Pages 8, 124-128 and 131 are missing. (3) A comment dated 8 Feb 1978 is attached to Page 143.

  Held by

  The National Archives, Kew

  Date

  1939 Jan 01 - 1942 Dec 31

  Reference

  HW 25/3

• Catalogue level

  Piece

  Reports in the series MKA/1 to MKA/500. Number MKA/185 not taken up

  Reports in the series MKA/1 to MKA/500. Number MKA/185 not taken up

  Held by

  The National Archives

  Date

  1942 Jul 23-1942 Jul 29

  Reference

  HW 20/25

• Catalogue level

  Piece

  ALAN TURING WARTIME RESEARCH PAPERS RELEASED BY GCHQ'The Applications of Probability...

  ALAN TURING WARTIME RESEARCH PAPERS RELEASED BY GCHQ'The Applications of Probability to Crypt'As the country marks the centenary of Alan Turing's birth, two of his mathematical research papers, believed to have been written whilst he was at Bletchley…

  Held by

  The National Archives, Kew

  Date

  1945 Jan 01 - 1946 Dec 31

  Reference

  HW 25/37

• Catalogue level

  Piece

  ALAN TURING WARTIME RESEARCH PAPERS RELEASED BY GCHQ'Paper on Statistics of Repetitions'...

  ALAN TURING WARTIME RESEARCH PAPERS RELEASED BY GCHQ'Paper on Statistics of Repetitions' As the country marks the centenary of Alan Turing's birth, two of his mathematical research papers, believed to have been written whilst he was at Bletchley Park…

  Held by

  The National Archives, Kew

  Date

  1945 Jan 01 - 1946 Dec 31

  Reference

  HW 25/38

• Catalogue level

  Piece

  Report on the British Y Service by Captain Brown of the US Signal Corps

  Report on the British Y Service by Captain Brown of the US Signal Corps

  Held by

  The National Archives, Kew

  Date

  1942 Jan 01 - 1942 Aug 31

  Reference

  HW 57/25

• Catalogue level

  Piece

  South Africa Y organisation

  South Africa Y organisation

  Held by

  The National Archives, Kew

  Date

  1943 Feb 23 - 1944 Jul 03

  Reference

  HW 61/25

• Catalogue level

  Piece

  GC&CS Naval Sigint Volume XV: Contents, Sources and General Index

  GC&CS Naval Sigint Volume XV: Contents, Sources and General Index

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/25

• Catalogue level

  Piece

  Office inventories of documents and working aids throughout GCCS at BP

  Office inventories of documents and working aids throughout GCCS at BP

  Held by

  The National Archives, Kew

  Date

  1941

  Reference

  HW 3/25