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• R364020 LANG HW 10/09/1904 BRIXHAM

  Held by

  The National Archives, Kew

  Date

  1913-1972

  Reference

  BT 372/1013/79

• R883860 TOOTELL HW 25/10/1952 MANCHESTER

  Held by

  The National Archives, Kew

  Date

  1913 - 1972

  Reference

  BT 372/2876/80

• See HW 15/10 1944 Feb 20

  Held by

  The National Archives, Kew

  Date

  1945 June 13

  Reference

  HW 15/12/28

• See item 2, 1944 Feb 20, HW 15/10

  Held by

  The National Archives, Kew

  Date

  1945 May 12

  Reference

  HW 15/12/17

• General records of the Government Code and Cypher School

  Held by

  Date

  1914-1979

  Reference

• Government Code and Cypher School: Japanese Section: Diplomatic Intelligence Summary...

  Held by

  The National Archives, Kew

  Date

  1945

  Reference

  HW 10

• Triangulation (Trig) Station number NC/35/T2. Trig name: Sula Sgeir: tertiary mark....

  Held by

  The National Archives, Kew

  Date

  1935 Jan 01 - 2008 Dec 31

  Reference

  OS 69/363

• Triangulation (Trig) Station number NC/35/T3. Trig name: Rona Lighthouse: tertiary...

  Held by

  The National Archives, Kew

  Date

  1935 Jan 01 - 2008 Dec 31

  Reference

  OS 69/365

• Moscow:. Fragmentary text

  Held by

  The National Archives, Kew

  Date

  1944 fEB 23

  Reference

  HW 15/10/10

• Communications including the provision of teleprinter links and bicycles for messengers

  Held by

  The National Archives, Kew

  Date

  1939 Sep 18 - 1942 Dec 16

  Reference

  HW 64/10

• Japanese communcations: messages and reports concerned with intercept, analysis and...

  Held by

  The National Archives, Kew

  Date

  1944 Oct 01 - 1944 Dec 31

  Reference

  HW 67/10

• Japanese army order of battle: minor units

  Held by

  The National Archives, Kew

  Date

  1944 Jan 01-1944 Aug 15

  Reference

  HW 33/10

• Bulgarian Navy messages

  Held by

  The National Archives, Kew

  Date

  1946 Feb 23

  Reference

  HW 75/10

• Messages passed between the army intercept site, Derna, at Ras El Hilal, Libya and...

  Held by

  The National Archives, Kew

  Date

  1943 Jul 01 - 1943 Sep 30

  Reference

  HW 51/10

• AGD requests annual work reports for 1940 from all main GCCS sections; security rules...

  Held by

  The National Archives, Kew

  Date

  1941 Jan 1-21

  Reference

  HW 14/10

• Decrypts of Japanese army and army air force messages

  Held by

  The National Archives, Kew

  Date

  1944 Aug 01-1945 Jan 06

  Reference

  HW 52/10

• Teleprinted summaries of enemy air activity issued daily from HQ RAF, Middle East...

  Held by

  The National Archives, Kew

  Date

  1940 Jul 11-1941 Mar 31

  Reference

  HW 41/10

• BRUSA Planning Conference, 2-19 March 1953 Proposed agenda Final report Appendix...

  Held by

  The National Archives, Kew

  Date

  1953

  Reference

  HW 80/10

• Block C (Freeborn) weekly reports: produced by Frederic Freeborn's Hollerith Machine...

  Held by

  The National Archives, Kew

  Date

  1943 Feb 25 - 1945 Jul 02

  Reference

  HW 77/10

• GC&CS Naval Sigint Volume I: The Organisation and Evolution of British Naval Sigint...

  Held by

  The National Archives, Kew

  Date

  1914 Aug 01 - 1945 Aug 30

  Reference

  HW 43/10