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  Item

  R364020 LANG HW 10/09/1904 BRIXHAM

  R364020 LANG HW 10/09/1904 BRIXHAM

  Held by

  The National Archives, Kew

  Date

  1913-1972

  Reference

  BT 372/1013/79

• 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 15/10 1944 Feb 20

  See HW 15/10 1944 Feb 20

  Held by

  The National Archives, Kew

  Date

  1945 June 13

  Reference

  HW 15/12/28

• Catalogue level

  Item

  See item 2, 1944 Feb 20, HW 15/10

  See item 2, 1944 Feb 20, HW 15/10

  Held by

  The National Archives, Kew

  Date

  1945 May 12

  Reference

  HW 15/12/17

• Catalogue level

  Division

  General records of the Government Code and Cypher School

  DIPLOMATIC, COMMERCIAL AND METEOROLOGICAL COMMUNICATIONS: Japanese Section summary reports from intercepted Japanese and Siamese diplomatic communications HW 10, HW 38

  Held by

  Date

  1914-1979

  Reference

• Catalogue level

  Series

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

  Summaries of intelligence concerning diplomatic communications between Japan and her overseas representatives, obtained from various sources. The summaries cover all aspects of the war, but especially Japanese peace overtures. Key to Abbreviations: J…

  Held by

  The National Archives, Kew

  Date

  1945

  Reference

  HW 10

• Catalogue level

  Piece

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

  National Grid reference: HW/63 (10 km square at 1:25000 scale)

  Held by

  The National Archives, Kew

  Date

  1935 Jan 01 - 2008 Dec 31

  Reference

  OS 69/363

• Catalogue level

  Piece

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

  National Grid reference: HW/83 (10 km square at 1:25000 scale)

  Held by

  The National Archives, Kew

  Date

  1935 Jan 01 - 2008 Dec 31

  Reference

  OS 69/365

• Catalogue level

  Item

  Moscow:. Fragmentary text

  Moscow:. Fragmentary text

  Held by

  The National Archives, Kew

  Date

  1944 fEB 23

  Reference

  HW 15/10/10

• Catalogue level

  Piece

  Communications including the provision of teleprinter links and bicycles for messengers

  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

• Catalogue level

  Piece

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

  Japanese communcations: messages and reports concerned with intercept, analysis and code breaking

  Held by

  The National Archives, Kew

  Date

  1944 Oct 01 - 1944 Dec 31

  Reference

  HW 67/10

• Catalogue level

  Piece

  Japanese army order of battle: minor units

  Japanese army order of battle: minor units

  Held by

  The National Archives, Kew

  Date

  1944 Jan 01-1944 Aug 15

  Reference

  HW 33/10

• Catalogue level

  Piece

  Bulgarian Navy messages

  Bulgarian Navy messages

  Held by

  The National Archives, Kew

  Date

  1946 Feb 23

  Reference

  HW 75/10

• Catalogue level

  Piece

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

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

  Held by

  The National Archives, Kew

  Date

  1943 Jul 01 - 1943 Sep 30

  Reference

  HW 51/10

• Catalogue level

  Piece

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

  AGD requests annual work reports for 1940 from all main GCCS sections; security rules for private correspondence at BP; security of source CX/BQ, E reports; main invasion threat over, no need for GCCS BQ mobile column but replacement buses needed for…

  Held by

  The National Archives, Kew

  Date

  1941 Jan 1-21

  Reference

  HW 14/10

• Catalogue level

  Piece

  Decrypts of Japanese army and army air force messages

  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

• Catalogue level

  Piece

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

  Teleprinted summaries of enemy air activity issued daily from HQ RAF, Middle East for the Air Ministry

  Held by

  The National Archives, Kew

  Date

  1940 Jul 11-1941 Mar 31

  Reference

  HW 41/10

• Catalogue level

  Piece

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

  BRUSA Planning Conference, 2-19 March 1953 Proposed agenda Final report Appendix B, Principles of Security and Dissemination Notes to Appendix B Annexure B1, The Assignment of Comint to Categories and Sub-categories Annexure B2, Security Principles g…

  Held by

  The National Archives, Kew

  Date

  1953

  Reference

  HW 80/10

• Catalogue level

  Piece

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

  Block C (Freeborn) weekly reports: produced by Frederic Freeborn's Hollerith Machine Tabulating Section (moved from Hut 7 to Block C in November 1942)

  Held by

  The National Archives, Kew

  Date

  1943 Feb 25 - 1945 Jul 02

  Reference

  HW 77/10

• Catalogue level

  Piece

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

  GC&CS Naval Sigint Volume I: The Organisation and Evolution of British Naval Sigint by Frank Birch. Part 1 The Making of Sigint

  Held by

  The National Archives, Kew

  Date

  1914 Aug 01 - 1945 Aug 30

  Reference

  HW 43/10