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Results
-
- Catalogue level
- Piece
German naval communications
German naval communications
- Held by
- The National Archives, Kew
- Date
- 1945 Feb 01-1945 Jun 06
- Reference
- HW 18/163
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- Catalogue level
- Piece
Information on the communications of the German, Spanish and French navies
Information on the communications of the German, Spanish and French navies
- Held by
- The National Archives, Kew
- Date
- 1944 May 05-1945 Sep 13
- Reference
- HW 18/39
-
- Catalogue level
- Piece
Criticisms of GC&CS Notes with source references on external and internal criticism...
Criticisms of GC&CS Notes with source references on external and internal criticism of GC&CS Service dissatisfaction, Naval Section criticism concerning difficulties in obtaining staff, miscellaneous criticism by Admiralty
- Held by
- The National Archives, Kew
- Date
- 1939 Dec 16 - 1947 Feb 22
- Reference
- HW 50/18
-
- 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
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- Catalogue level
- Piece
W.T.I. interpretation Reports passed to the Admiralty which contained interpretation...
W.T.I. interpretation Reports passed to the Admiralty which contained interpretation of the X series of traffic analysis reports on the German navy
- Held by
- The National Archives, Kew
- Date
- 1941 Apr 03-1941 May 31
- Reference
- HW 18/185
-
- Catalogue level
- Piece
Summaries of German and Italian decrypts concerning radar
Summaries of German and Italian decrypts concerning radar
- Held by
- The National Archives, Kew
- Date
- 1944 Feb 02-1945 Jan 24
- Reference
- HW 18/233
-
- Catalogue level
- Piece
Intelligence memorandum on the Japanese naval telecommunications organisation. Pages...
Intelligence memorandum on the Japanese naval telecommunications organisation. Pages 138-149 reported missing July 2013
- Held by
- The National Archives, Kew
- Date
- 1944 Jun 23-1944 Jun 23
- Reference
- HW 18/214
-
- Catalogue level
- Piece
French naval messages Continuation of ZIP/T.F.N series
French naval messages Continuation of ZIP/T.F.N series
- Held by
- The National Archives, Kew
- Date
- 1942 Mar 11-1943 May 22
- Reference
- HW 18/154
-
- Catalogue level
- Piece
W/Tactivity charts Series of charts which accompanied the naval traffic analysis...
W/Tactivity charts Series of charts which accompanied the naval traffic analysis reports in the X series
- Held by
- The National Archives, Kew
- Date
- 1940 May 28-1940 Nov 30
- Reference
- HW 18/181
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U92, U306, U315, U321, U354, U387, U802, U826, U1022, U1061, U1222, U1278, U1302
- Held by
- The National Archives, Kew
- Date
- 1944 Jun 01-1945 May 05
- Reference
- HW 18/402
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U18, U19, U288, U314, U441, U473, U498, U548, U596, U718, U983, U986, U1062
- Held by
- The National Archives, Kew
- Date
- 1943 Jun 01-1944 May 31
- Reference
- HW 18/364
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U148, U195, U300, U650, U716, U870, U956, U979, U1053, U1228, U2518
- Held by
- The National Archives, Kew
- Date
- 1944 Nov 01-1945 May 07
- Reference
- HW 18/417
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U180, U22, U222, U263, U444, U465, U613, U621, U622, U624, U663, UD5
- Held by
- The National Archives, Kew
- Date
- 1942 May 01-1943 Jul 31
- Reference
- HW 18/342
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U178, U238, U270, U297, U360, U586, U713, U836, U863, U1002, U1165, U1225
- Held by
- The National Archives, Kew
- Date
- 1943 Dec 01-1945 May 30
- Reference
- HW 18/380
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U38, U307, U351, U421, U774, U805, U872, U925, U926, U1053, U1163, U1202
- Held by
- The National Archives, Kew
- Date
- 1944 Mar 01-1945 Apr 30
- Reference
- HW 18/390
-
- Catalogue level
- Piece
Commercial messages concerning Japanese shipping and cargoes
Commercial messages concerning Japanese shipping and cargoes
- Held by
- The National Archives, Kew
- Date
- 1945 Oct 02-1945 Oct 30
- Reference
- HW 30/18
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U181, U248, U307, U308, U393, U772, U779, U2506, U2508, U2515, U3002, U3003, U3501
- Held by
- The National Archives, Kew
- Date
- 1944 Aug 01-1945 May 04
- Reference
- HW 18/409
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U107, U137, U276, U547, U737, U883, U955, U990, U1019, U1057, U1162, U1208, U1235, U1277
- Held by
- The National Archives, Kew
- Date
- 1944 May 01-1944 May 05
- Reference
- HW 18/399
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U256, U262, U275, U287, U386, U481, U537, U538, U648, U721, U742, U745, U792
- Held by
- The National Archives, Kew
- Date
- 1943 Nov 01-1945 Apr 30
- Reference
- HW 18/379
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U81, U124, U155, U333, U362, U373, U433, U451, U584, U585, U754
- Held by
- The National Archives, Kew
- Date
- 1941 Sep 01-1943 Feb 28
- Reference
- HW 18/317