Virtual Bletchley Park
by Tony Sale Print

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Tony Sale's
Codes and Ciphers

Tony Sale's BP History Data base extracted in date order

date
    topic
PROref source
1909 Cumming sets up SSB in Whitehall Court Christopher Andrew Secret Service
1909 Home dept of SSB became later MI5 Christopher Andrew Secret Service
1909 Foreign Dept of SSB became later SIS Christopher Andrew Secret Service
1909 First head of home dept Vernon Kell Christopher Andrew Secret Service
1909/10 First head of foreign section SSB Christopher Andrew Secret Service
1910 Foreign section of SSB responsible to Ad Christopher Andrew Secret Service
1912 Kell's deputy Holt-Wilson Christopher Andrew Secret Service
1913/06 New head of Special Branch Basil Thomson Christopher Andrew Secret Service
1914 Room 40 Christopher Andrew Secret Service
1914 Ewing recruits Denniston Christopher Andrew Secret Service
1914/08 DID recruits Sir Alfred Ewing Christopher Andrew Secret Service
1914/10 Breach between Admiralty and WO Christopher Andrew Secret Service
1914/11 Director Naval ID William Blinker Hall Christopher Andrew Secret Service
1915 Recruits for room 40 Christopher Andrew Secret Service
1915 Dispute for control Ewing, Hall Christopher Andrew Secret Service
1915 Admiralty decisive lead over WO Christopher Andrew Secret Service
1915 Brief for Secret Int. Service Patrick Beesly Very Special Intelligenc1915
1916 Room 40 people Christopher Andrew Secret Service
1916 Clarke recruited by Blinker Hall 1916 W F Clarke in Cryptologia Oct 1987
1916 W F Clarke recruited by Hall for Rm 40 W F Clarke Bletchley Park 1941-45 Crypto1916
1916/10 Ewing resigns Christopher Andrew Secret Service
1917 ID25 Commander William James Christopher Andrew Secret Service
1918 MI5 after 1918 list of suspects Christopher Andrew Secret Service
1918 Org charts for DMI 1918 Patrick Beesly Very Special Intelligenc1918
1919 Admiral Sinclair DNI and Dir. GC&CS A G Denniston GC&CS between the wars
1919 origins of GC&CS A G Denniston GC&CS between the wars
1919 Appointed Director Naval Int. DNI Nigel West MI6
1919 SIS off to a shaky start Nigel West MI6
1919 Passport Control Christopher Andrew Secret Service
1919 Head of GC&CS Alistair Denniston Christopher Andrew Secret Service
1919 Formation of GC&CS Christopher Andrew Secret Service
1919 MIIc became known as Secret Int Serv SIS Christopher Andrew Secret Service
1919 Scotland Yard v MI5 Christopher Andrew Secret Service
1919 SIS and Security Service tasks after WWI Patrick Beesly Very Special Intelligenc1919
1919 formation of GC&CS Patrick Beesly Very Special Intelligenc1919
1919 Name GC&CS invented by Sir Victor Forbes HW3/ 33 Notes on BP history 1948 HW3/33
1919/02 Passport Control set up Christopher Andrew Secret Service
1919/05 Secret Service Commission Christopher Andrew Secret Service
1919/11 GC&CS formed November 1919 under Admlty W F Clarke in Cryptologia Oct 1987
1920 Admiralty Y Pembroke & Scarborough A G Denniston GC&CS between the wars
1920 GC&CS staff 6 snr 18 jnr 28 clerks Christopher Andrew Secret Service
1921 WO MI1B at Chatham liaison off. at GC&CS A G Denniston GC&CS between the wars
1921 Naval Section A G Denniston GC&CS between the wars
1921 Left to head submarine services Nigel West MI6
1921 Head of Section I in SIS, FO Christopher Andrew Secret Service
1921 Cumming's espionage agency known as SIS Christopher Andrew Secret Service
1922 GC&CS transfered to FO A G Denniston GC&CS between the wars
1922 FO took control of GC&CS W F Clarke in Cryptologia Oct 1987
1922 GC&CS transfered to FO Chief Clerks Dept HW3/ 33 Notes on BP history 1948 HW3/33
1922- civil establishment A G Denniston GC&CS between the wars
1922- Decline of forces intelligence Christopher Andrew Secret Service
1922- Org charts for DMI 1922-39 Patrick Beesly Very Special Intelligenc1922-
1922/04 FO takes over responsibility for GC&CS Christopher Andrew Secret Service
1923 Returned on death of Cummings "C" Nigel West MI6
1923 Head of Military Section II Christopher Andrew Secret Service
1923 Sinclair's Deputy, Menzies, biopic Christopher Andrew Secret Service
1923 Admiral Hugh Sinclair appointed "C" biop Christopher Andrew Secret Service
1923 Sinclair acquired Denmark Hill intercept HW3/ 33 Notes on BP history 1948 HW3/33
1923 Denmark Hill first under GC&CS control HW3/ 33 Notes on BP history 1948 HW3/33
1923 Intcpt and Crypt transfered to FO, GC&CS HW3/ 92 Hist of Military Intelligence 1926-45 H1923
1923 MI1(b) lost crypt but retaind Intcpt org HW3/ 92 Hist of Military Intelligence 1926-45 H1923
1923- Organisation of SIS Christopher Andrew Secret Service
1923/06 Cumming's death June 1923 Christopher Andrew Secret Service
1923/06 Death of Sir Mansfield Cumming Patrick Beesly Very Special Intelligenc1923/06
1924 AM AII Waddington A G Denniston GC&CS between the wars
1924 Naval section Nigel West MI6
1924 Head of Section III in SIS, Naval Christopher Andrew Secret Service
1924 Small Naval section under Admiralty Christopher Andrew Secret Service
1924 Naval Section formed 1924 W F Clarke in Cryptologia Oct 1987
1924 Grp Cpt Blandy at 1st meeting Main Cttee HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1924
1924-1938 Hugh Sinclair's career Nigel West MI6
1925 GC&CS moved to Broadway Patrick Beesly Very Special Intelligenc1925
1925 SIS under FO and funded by FO, aka MI6 Patrick Beesly Very Special Intelligenc1925
1925 Col Spencer: WO provide Field Cryptograp HW3/ 92 Hist of Military Intelligence 1926-45 H1925
1925 Officrs attached to GC&CS for training HW3/ 92 Hist of Military Intelligence 1926-45 H1925
1925- Notes on staff numbers and names 1925-39 HW3/ 82 Staff and Establishment of GC&CS 1925-191925-
1926 Japanese code breaking Christopher Andrew Secret Service
1926 J E S Cooper, F C Fletcher,W Bodsworth HW3/ 82 Staff and Establishment of GC&CS 1925-191926
1926-1938 Coord of W/T Intcpt Cttee (Main Ctte) HW3/ 92 Hist of Military Intelligence 1926-45 H1926-1938
1926/03 Chatham opened 5 ops 1 Offcr March 1926 HW3/ 92 Hist of Military Intelligence 1926-45 H1926/03
1927 Russian section Christopher Andrew Secret Service
1928 Y committee formed to co-ordinate intcpt Patrick Beesly Very Special Intelligenc1928
1929 Intervewed Winterbotham Nigel West MI6
1929 GC&CS "distant" from SIS although in Bdw Christopher Andrew Secret Service
1929 3 Offcrs charge Intcpt meet@GC&CS,"Y"cte HW3/ 92 Hist of Military Intelligence 1926-45 H1929
1930 Army section Nigel West MI6
1930 Assessment of Soviet air strength Nigel West MI6
1930 MI5 shortage of resources Christopher Andrew Secret Service
1930 Head of Section IV in SIS, Air Christopher Andrew Secret Service
1930 No Air reps at SIS until 1930 Christopher Andrew Secret Service
1930 Mil Sectn GC&CS,No 4IS under Tiltman HW3/ 92 Hist of Military Intelligence 1926-45 H1930
1930 In wartime 4IS at GC&CS direct cntl WO HW3/ 92 Hist of Military Intelligence 1926-45 H1930
1930- Military Section under Tiltman MI1 A G Denniston GC&CS between the wars
1930- Military section started by Tiltman A G Denniston GC&CS between the wars
1930- failure to crack codes in 1930's Christopher Andrew Secret Service
1930- NID not using GC&CS decrypts Christopher Andrew Secret Service
1930- SIS shortage of funds Christopher Andrew Secret Service
1930- sucesses with Japanese, Italian Christopher Andrew Secret Service
1930- Y stations at Chatham and nr Winchester Patrick Beesly Very Special Intelligenc1930-
1930/01 Air Section of SIS Nigel West MI6
1933 Commintern radio traffic decrypted Christopher Andrew Secret Service
1934-1941 list of reports refered to by W F Clarke HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1934-1941
1935 Air Section formed with Cooper as head A G Denniston GC&CS between the wars
1935 figures for trained German pilots Christopher Andrew Secret Service
1935 Admiral Sinclair was "C" HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1935
1935 Need increase staff cover Ital/Abassinia HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1935
1935- Enigma and Typex unbreakable if used ok Patrick Beesly Very Special Intelligenc1935-
1936 Navy Enigma under Knox A G Denniston GC&CS between the wars
1936 RAF section started by Cooper A G Denniston GC&CS between the wars
1936 Air section Nigel West MI6
1936 No Air reps at GC&CS until 1936 Christopher Andrew Secret Service
1936 1st tsks Air Sectn Italian Air & Russian HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1936
1936 At Waddington Swanborough on GAF OrdOBat HW3/ 83 memo from Josh Cooper to Travis 1944 HW1936
1936 At Air Min Allen on Ital Air OrdOBat HW3/ 83 memo from Josh Cooper to Travis 1944 HW1936
1936 Air Min Italian country Sctn und Paynter HW3/ 83 memo from Josh Cooper to Travis 1944 HW1936
1936- Organisation of SIS & GC&CS interwars Codebreakers William Millward
1936- Travis involved with encipherement Hut 6 Story Gordon Welchman
1936/05 Cooper head of Air section GC&CS May 36 HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1936/05
1936/05 Air secn Fetterlein, Wills, Moore HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1936/05
1936/05 Air Section terms of ref "to produce Int HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1936/05
1936/05 Air Min already getting PL GAF Waddingtn HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1936/05
1936/05 Fl Lt Allen AI1(c) doing Italian gnd air HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1936/05
1936/05 Fetterlein trsfd Mility to Air for Russi HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1936/05
1936/05 No GAF cypher traffic of any kind HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1936/05
1936/06 JIC formed Patrick Beesly Very Special Intelligenc1936/06
1936/07 Spanish Civil War July 1936,Air took trf HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1936/07
1937 Military Section. First German A G Denniston GC&CS between the wars
1937 attempts to read German Naval signals A G Denniston GC&CS between the wars
1937 prewar GC&CS recruitment Christopher Andrew Secret Service
1937 Chatham first German Army,Air,Police Int HW3/ 33 Notes on BP history 1948 HW3/33
1937 1st German Air/Gnd cipher simple 2 lette HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1937
1937 Fl Lt Moore studying GAF safety Traffic HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1937
1937 Liaison Waddington, AI1(c) and AI3(b) HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1937
1937 Cooper proposed Int Reference Sctn inAir HW3/ 83 memo from Josh Cooper to Travis 1944 HW1937
1937 Winterbotham stops Int Ref proposal HW3/ 83 memo from Josh Cooper to Travis 1944 HW1937
1937 Barbara Abernethy joined SIS Ital 1937 Interview with Barbara Eachus(Abernethy)1937
1937/04 introduction of bigrams beats Knox A G Denniston GC&CS between the wars
1938 acquisition of BP R.V.Jones
1938 IIC under Desmond Morton to study Commcl A G Denniston GC&CS between the wars
1938 SIS fall back position in BP Nigel West MI6
1938 first mathematician, Peter Twinn Christopher Andrew Secret Service
1938 Professor types Christopher Andrew Secret Service
1938 GC&CS move to BP Patrick Beesly Very Special Intelligenc1938
1938 parochial attitude of Services HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938
1938 Experiment at decrypt at Waddington HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938
1938 Cooper taken to task by Denniston HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938
1938 L Lambert Radio Officer at GC&CS HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938
1938 Moore collated Swanbo's OrdOBat with AM HW3/ 83 memo from Josh Cooper to Travis 1944 HW1938
1938 Moore, personal contacts with AI(1)b HW3/ 83 memo from Josh Cooper to Travis 1944 HW1938
1938 Cheadle TA went to Moore at Bdwy then AM HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1938
1938 Chatham increased 6 High spd 18 Hand spd HW3/ 92 Hist of Military Intelligence 1926-45 H1938
1938 Sinclair,Peel told reporters "Air Defenc HW3/ 16 W F Clarke, BP reminiscences HW3/16
1938 German hand cyphers before the war HW3/ 17 W Bodsworth answers to Christopher's qus1938
1938 "FL" bigrams HW3/ 17 W Bodsworth answers to Christopher's qus1938
1938 Before war Travis thought get Int fmWT/I HW3/ 17 W Bodsworth answers to Christopher's qus1938
1938-1945 Strategical Intercept in UK pgs 842-808 HW3/ 92 Hist of Military Intelligence 1926-45 H1938-1945
1938/03 Moore joined Air Sectn March 1938 HW3/ 83 memo from Josh Cooper to Travis 1944 HW1938/03
1938/05 BP purchase A G Denniston GC&CS between the wars
1938/07 Air Sectn expanded 4 new recruits HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/07
1938/07 Hooper, Vlasto, Fischer-Sobell joind Air HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/07
1938/07 Air Sect crammed in 5th Flr Broadway HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/07
1938/07 Heads of Air, Mil & Naval not own office HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/07
1938/08 Moore sent to Cheadle, not a success HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1938/08
1938/09 first visit to BP A G Denniston GC&CS between the wars
1938/09 GC&CS moved to BP Sept 1938 W F Clarke in Cryptologia Oct 1987
1938/09 Naval Section numbered 28 Ital,Germ,Span W F Clarke in Cryptologia Oct 1987
1938/09 Parts of GC&CS & SIS move to BP HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/09
1938/09 Cpt Ridley of SIS in charge of 1st move HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/09
1938/09 Admiral Sinclair sent his chef HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/09
1938/09 Move paid out of SIS funds HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/09
1938/09 Air Sectn in large gnd flr room HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/09
1938/09 1st move showed need for better comms HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/09
1938/09 List of party that moved to BP Sept 38 HW3/ 82 Naval Section GC&CS pre-war HW3/82
1938/09 Barbara Abernethy came to BP in Sept 38 Interview with Barbara Eachus(Abernethy)1938/09
1938/09 Y ctte reorg Sept 1938 HW3/ 92 Hist of Military Intelligence 1926-45 H1938/09
1938/09 Y ctte Hd GC&CS,NID9,MI1(b)laterMI8,AI1e HW3/ 92 Hist of Military Intelligence 1926-45 H1938/09
1938/09 YC subctte Dep Hd,IOs,Hd Com,O/Cs Y stns HW3/ 92 Hist of Military Intelligence 1926-45 H1938/09
1938/09 YT subctte HD WBoard,NID9,MI1(b),AI1(e) HW3/ 92 Hist of Military Intelligence 1926-45 H1938/09
1938/09 YI subctte control of production of W/T HW3/ 92 Hist of Military Intelligence 1926-45 H1938/09
1938/09 Test Mobilisation of Station X Sept 38 HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1938/09
1938/09 List of 24 staff going to BP Sept 38 HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1938/09
1938/09 1st occupation,150 Civ,Army&Navy HW3/ 16 W F Clarke, BP reminiscences HW3/16
1938/09 accomodated in Hotels around HW3/ 16 W F Clarke, BP reminiscences HW3/16
1938/09 The chef who tried to commit suicide HW3/ 16 W F Clarke, BP reminiscences HW3/16
1938/10 Naval section, German, transfered to NID W F Clarke in Cryptologia Oct 1987
1938/10 Returned to London 9th Oct 1938 W F Clarke in Cryptologia Oct 1987
1938/10 Return to Broadway HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/10
1938/10 Air Min annoyed not told of move HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/10
1938/10 DNI proposes NS transfd to OIC when war HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1938/10
1938/11 first set of GAF Air/gnd tactical codes HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/11
1938/11 Waddington had moved to Cheadle HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/11
1938/12 Moore sent to Cheadle to exploit 3 lttr HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/12
1938/12 Moore seprated @ Cheadle,missed MF/HFLnk HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1938/12
1938/12 DNI has requested Operatnl Sectn go Adml HW3/ 1 Naval Section in War memo by W F Clarke 1938/12
1938/12 This would decimate GC&CS NS HW3/ 1 Naval Section in War memo by W F Clarke 1938/12
1938/12 NS not doing Operational Int just Int HW3/ 1 Naval Section in War memo by W F Clarke 1938/12
1938/12 Breakup of GC&CS NS would be a mistake HW3/ 1 Memo to Travis ?Dec 1938 HW3/1
1938/12 Part of Int side of NS to go to OIC HW3/ 1 Memo to Travis ?Dec 1938 HW3/1
1939 Head of Hut 3 Winterbotham R.V.Jones
1939 Commandant at Minley Mabor, Shearer Christopher Andrew Secret Service
1939 DNI John Godfrey, Room 39 Christopher Andrew Secret Service
1939 Cambridge and Oxford Colleges Christopher Andrew Secret Service
1939 Winterbotham's boss, Menzies Gordon Welchman Hut 6 Story
1939 Early expansion of GC&CS Patrick Beesly Very Special Intelligenc1939
1939 Head of Naval Section at BP, Birch Patrick Beesly Very Special Intelligenc1939
1939 Org of BP into sections Patrick Beesly Very Special Intelligenc1939
1939 John Tiltman CO No4 Int. School,4IS Codebreakers Henry Dryden
1939 GC&CS third floor Broadway Codebreakers Henry Dryden
1939 SIS 2nd and 4th floors Broadway Codebreakers Henry Dryden
1939 Col Freddie Jacob acting head MS GC&CS Codebreakers Henry Dryden
1939 Tiltman in India and Hong Kong Codebreakers Henry Dryden
1939 German Enigma message with Stecker 1938 Codebreakers Peter Twinn
1939 Pyry Forest meeting July 1939 Codebreakers Peter Twinn
1939 Peter Twinn worked out wheel wiring Codebreakers Peter Twinn
1939 First British Cryptograher to read Enigm Codebreakers Peter Twinn
1939 BP consisted of not more than 30 people Codebreakers Stuart Milner-Barry
1939 Importance of Welchman to BP development Codebreakers Stuart Milner-Barry
1939 S M-B recruited Mary Wilson et al Codebreakers Stuart Milner-Barry
1939 need for more intercept stations Hut 6 Story Gordon Welchman
1939 Welchman: need for considerable staff Hut 6 Story Gordon Welchman
1939 Welchman: ability to decode lots of Enig Hut 6 Story Gordon Welchman
1939 Dilly Knox didn't know abt double mes ky Hut 6 Story Gordon Welchman
1939 Coloured pencils to mark intercepts Hut 6 Story Gordon Welchman
1939 wooden Huts constructed by Cpt Faulkner Hut 6 Story Gordon Welchman
1939 Gordon foresaw Enigma would be broken P S Milner-Barry Memorium for Gordon Wel1939
1939 Knowledge of German W/T procedures nill HW3/ 92 History of Military Section HW3/92
1939 Chatham intercepting 5 letter Enigma HW3/ 92 History of Military Section HW3/92
1939 MI8 respnsbl for int of location enmy WT HW3/ 92 History of Military Section HW3/92
1939 Compilation & Records Room CRR @ Chatham HW3/ 92 History of Military Section HW3/92
1939 MI8 & I(a)iv at GHQ BEF to get WT/I HW3/ 92 History of Military Section HW3/92
1939 Pamphlet no 5 Manual of M I 1939 HW3/ 92 History of Military Section HW3/92
1939 attempts to get enemy WT networks failed HW3/ 92 History of Military Section HW3/92
1939 Military Section at GC&CS called IV IS HW3/ 92 History of Military Section HW3/92
1939 Military Section just cryptographic HW3/ 92 History of Military Section HW3/92
1939 Lack of people with W/T research exprnse HW3/ 92 History of Military Section HW3/92
1939 Hut 2 was recreation Hut Interview with Bob Watson 12/11/98
1939 Fails to get service hd,Ital&Germ split HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1939
1939 NS at BP sent Int Admlty ID8 prefix NSI HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1939
1939 NID originally wanted crypt at OIC HW3/ 17 W Bodsworth answers to Christopher's qus1939
1939 Notes on Hist of Military Sectn 1932-40 HW3/ 82 Notes on Hist of Military Sectn 1932-40 1939
1939 We emerged from our shell in the Library HW3/ 146 Genesis Chap One by Mr E Green (Scrounge1939
1939 Hut 4 almost being built round us HW3/ 146 Genesis Chap One by Mr E Green (Scrounge1939
1939- GC&CS increase 4 fold in 16 months Harry Hinsley Vol 1
1939- Traffic Analysis & Research Organisation HW3/ 92 History of Military Section HW3/92
1939- Lists of Nos of Staff by year 1939-1945 HW3/ 82 Strength Returns for Histories HW3/82
1939- Sqdn Ldr Hamilton, Y units in France HW3/ 95 pt 3 of Nigel de Grey's Hist of BP HW3/1939-
1939-1941 Allegorical early Hist of Naval Sectn HW3/ 146 Genesis Chap One by Mr E Green (Scrounge1939-1941
1939-1945 Non-Morse Interception pgs 807-794 HW3/ 92 Hist of Military Intelligence 1926-45 H1939-1945
1939-40 German cypher method allowed sorting HW3/ 92 History of Military Section HW3/92
1939/01 Dilly still working in Broadway The Knox Bothers Penelopy ?
1939/01 Denniston's Training Courses for Dons HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/01
1939/01 Cooper stresses importance of Courses HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/01
1939/01 Ellingworth at Chatham, Red key GAF Josh Cooper's Hist of Air Section GC&CS 1939/01
1939/01 Admlty basement altered to take NS Int HW3/ 1 Plans for accomodation at OIC Jan 1939 H1939/01
1939/01 accomodation ready March 1939 HW3/ 1 Plans for accomodation at OIC Jan 1939 H1939/01
1939/01/12 Radio silence fr Goerings bthdy 12/01/39 Josh Cooper's Hist of Air Section GC&CS 1939/01/12
1939/02 Dryden joined GC&CS Feb 1939 Codebreakers Henry Dryden
1939/02 Peter Twinn joined GC&CS Feb 1939 Codebreakers Peter Twinn
1939/02 Peter Twinn recruited Feb 1939 The Knox Bothers Penelopy ?
1939/02 Moore back BP breaks 3 ltr GAF Air Gnd HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1939/02
1939/03 WO School for Intelligence training Christopher Andrew Secret Service
1939/03 Aerial photo joint SIS with French Patrick Beesly Very Special Intelligenc1939/03
1939/03 Air Sectn party sent to Heliopolis ItAir HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/03
1939/03 Miss Egan and Fischer-Sobell to Heliopol HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/03
1939/03 Hitler annexed Checoslovakia March 1939 Josh Cooper's Hist of Air Section GC&CS 1939/03
1939/03 Recruits for Mil Sectn on mobilisation HW3/ 82 Staff and Establishment of GC&CS 1925-191939/03
1939/03 Available emergency staff (A M Turing) HW3/ 82 Staff and Establishment of GC&CS 1925-191939/03
1939/05 friction between Allen & Cooper HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1939/05
1939/05/18 Alarm by radio silence Ascn day 18/05/39 Josh Cooper's Hist of Air Section GC&CS 1939/05/18
1939/07 Pyry Forest meeting Christopher Andrew Secret Service
1939/07 Meeting in Pyry forest Patrick Beesly Very Special Intelligenc1939/07
1939/07 Orders to move to BP July 11th 1939 W F Clarke in Cryptologia Oct 1987
1939/07/25 Poles told Knox & Denniston Red was GAF HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/07/25
1939/08 Delivery of copy Enigma Christopher Andrew Secret Service
1939/08 Polish Enigmas delivered to BP Patrick Beesly Very Special Intelligenc1939/08
1939/08 Naval sectn 24 on move to BP Aug 1939 W F Clarke Bletchley Park 1941-45 Crypto1939/08
1939/08 Chatham taking Enigma "main discriminant HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1939/08 GC&CS & SIS all back at BP HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/08
1939/08 Cooper thinks some Huts already built HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/08
1939/08 1st People at BP put into hotels HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/08
1939/08 Cpt Ridley in charge of Admin HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/08
1939/08 Nice description of BP Hw3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/08
1939/08 Close to main N/S GPO cable Fenny Stratf Hw3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/08
1939/08 top floor SIS gnd floor GC&CS HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/08
1939/08 Air, Nav Mil Tel Excng & Teleprints Gndf HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/08
1939/08 Kitchen & dining room for whole staff HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/08
1939/08 Air Sect large rm on right in door HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/08
1939/08 Air Sectn Cooper,Moore,Fetterlein,Hooper HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/08
1939/08 Barbara Abernethy came with NS to BP0839 Interview with Barbara Eachus(Abernethy)1939/08
1939/08 Naval Section GC&CS went into Garden rm Interview with Barbara Eachus(Abernethy)1939/08
1939/08 Huts 1,2,3,4 outer shells by August 1939 Interview with Bob Watson 12/11/98
1939/08 MS in Leon's Dining rm then Hut 5 Interview with Bob Watson 12/11/98
1939/08 Mansion library partitioned Interview with Bob Watson 12/11/98
1939/08/01 service sections ordered to war stations A G Denniston GC&CS between the wars
1939/08/15 Diplomatic & commercial sections arrived A G Denniston GC&CS between the wars
1939/08/15 re-occupation of BP by service sectns Codebreakers Henry Dryden
1939/08/15 List of 71 GC&CS staff to BP Aug 39 HW3/ 1 Test of War Site Comms by AGD 15th Aug 11939/08/15
1939/08/15 OC Travis,NS Clarke,MS Tiltman,AS Cooper HW3/ 1 Test of War Site Comms by AGD 15th Aug 11939/08/15
1939/08/15 Research Section Head Knox HW3/ 1 Test of War Site Comms by AGD 15th Aug 11939/08/15
1939/08/15 Commercial & Diplomatic Travis HW3/ 1 Test of War Site Comms by AGD 15th Aug 11939/08/15
1939/08/15 War Stn to be manned from 15th Aug HW3/ 1 Test of War Site Comms by AGD 15th Aug 11939/08/15
1939/08/15 Combined Navy RAF exercises 15th/21stAug HW3/ 1 Test of War Site Comms by AGD 15th Aug 11939/08/15
1939/08/15 Accomodation and allowances for BP move HW3/ 1 Test of War Site Comms by AGD 15th Aug 11939/08/15
1939/08/15 Billeting list for move to BP pgs738-726 HW3/ 1 Test of War Site Comms by AGD 15th Aug 11939/08/15
1939/08/31 Germany unvades Poland 31 Aug 1939 HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/08/31
1939/09 GC&CS established in BP Nigel West MI6
1939/09 Whitehall directors agree crypt at GC&CS Harry Hinsley Vol 1
1939/09 In Argentina with Alexander and Golombek Codebreakers Stuart Milner-Barry
1939/09 Welchman's first assistant, Pat Newman Hut 6 Story Gordon Welchman
1939/09 In Elmers School plus Peggy Taylor Hut 6 Story Gordon Welchman
1939/09 Start of traffic analysis Welchman Hut 6 Story Gordon Welchman
1939/09 Kendrick and Welchman on Enigma traffic Hut 6 Story Gordon Welchman
1939/09 First Enigma decodes from Josh Cooper Hut 6 Story Gordon Welchman
1939/09 Sent to Elmers School with Kendrick Hut 6 Story Gordon Welchman
1939/09 Tiltman in charge of Army Ops at BP Hut 6 Story Gordon Welchman
1939/09 Army intercept at Chatham Hut 6 Story Gordon Welchman
1939/09 Welchman sent to join Knox and Turing Hut 6 Story Gordon Welchman
1939/09 Knox, Turing and Jeffreys in Cottage Hut 6 Story Gordon Welchman
1939/09 about 10 people in the Cottage Hut 6 Story Gordon Welchman
1939/09 indoctrination in London Oliver Strachey Hut 6 Story Gordon Welchman
1939/09 Profs Boase and Last joined Ital Air Sec HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/09
1939/09 Allen moved from A M Int HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1939/09
1939/09 Cooper for Buss relations def with A I HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1939/09
1939/09 Director of Air Signals Air Cmdr Nutting HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1939/09
1939/09 House too small Elmers School acqd HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/09
1939/09 Commercial, Diplo and some Enig in Elmer HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/09
1939/09 6 small GAF codes solved but no vocab HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/09
1939/09 Blandy recalled to take charge of Air Y HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/09
1939/09 Blandy asked Swanborough to define Y HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/09
1939/09 List of Y outputs by Swanborough HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/09
1939/09 Preperation for attack on Enigma, Knox HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/09
1939/09 186 staff in GC&CS 49 in Construction HW3/ 82 History Notes HW3/82
1939/09 of 137 GC&CS proper, 131 civis 6 Officer HW3/ 82 History Notes HW3/82
1939/09 Each Servc respnsbl for Intcpt enemy eqv HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 GC&CS did crypto work for each Service HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 Servcs provided staff for GC&CS and ownI HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 Coord W/T Int, the Main Cttee,inter serv HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 Y Ctte inter-service HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 MI8 took over MI1(b) Sept 1939 HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 Knowledge of Germ Mil W/T methods nil HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 Chatham intcptg E 5 ltr known as "Milita HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 Same freq day to day different discrims HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 Two groups identified Red & Green pencil HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 operator only took wanted discrims HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 MI8 responbl Int of location, moves W/T HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 D/F from Montrose,Helston,Sutton Valence HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 MI8 staff at I(a)iv BEF to prod W/TI HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09 Attempts at Germ W/T diags and Locs fail HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09
1939/09/03 3rd Sep 39 Germans & Russians enciph Met HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/09/03
1939/09/03 MI8(a) W/T I, Y Int, Y training schools HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09/03
1939/09/03 MI8(b) Sig Security and Equip,Foregn Eqp HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09/03
1939/09/03 MI8(c) Illicit Wireless Intcpt HW3/ 92 Hist of Military Intelligence 1926-45 H1939/09/03
1939/09/05 Frank Birch takes over Germ sectn of NS HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1939/09/05
1939/09/12 Denniston & Travis Memo to Menzies 09/39 HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 Asking for equal treatment GC&CS and SIS HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 Official cars for SIS and not GC&CS HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 Discontent growing in GC&CS HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 very soon able to contribute Int to Serv HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 Cooperation between 3 Service Sectns Ess HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 concern at move of Mil Sectn to garden HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 Sectn on Machine problem in No 3 Cottage HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 Diplo & Commerc Sectns in Elmers School HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 Not room to house SIS & GC&CS in BP HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/12 Only solution is to seperate HW14 /1 Memo Denniston to Memzies re staff at BP1939/09/12
1939/09/14 Does not want more Huts in BP HW14 /1 Memo from "C" to Menzies,Howard & Dennis1939/09/14
1939/09/14 Suggests Diplo & Commerc return to Bdway HW14 /1 Memo from "C" to Menzies,Howard & Dennis1939/09/14
1939/09/15 Sinclair consulted Major Morton at DNI HW14 /1 "C" to Menzies & Denniston HW14/1
1939/09/15 Commerc Section of GC&CS need more staff HW14 /1 "C" to Menzies & Denniston HW14/1
1939/09/15 Can't be accom at BP so must return Bdwa HW14 /1 "C" to Menzies & Denniston HW14/1
1939/09/16 Denniston asks whole GC&CS stay at BP HW14 /1 Memo Denniston to "C" 16/09/39 hand repl1939/09/16
1939/09/16 Whole GC&CS inc Commerc Sectn stay in BP HW14 /1 Memo Denniston to "C" 16/09/39 hand repl1939/09/16
1939/09/16 Commerc sectn to move to Elmers School HW14 /1 Memo Denniston to "C" 16/09/39 hand repl1939/09/16
1939/09/16 More Huts to erected for Service Sectns HW14 /1 Memo Denniston to "C" 16/09/39 hand repl1939/09/16
1939/09/16 Huts to be connected by pneumatic tube HW14 /1 Memo Denniston to "C" 16/09/39 hand repl1939/09/16
1939/09/17 "C" decides whole GC&CS to stay at BP HW14 /1 Memo Denniston to "C" 16/09/39 hand repl1939/09/17
1939/09/17 3 Huts to be erected for Forces Sectns HW14 /1 Memo Denniston to "C" 16/09/39 hand repl1939/09/17
1939/09/17 Huts to be fitted with pneumatic tubes HW14 /1 Memo Denniston to "C" 16/09/39 hand repl1939/09/17
1939/09/27 Warsaw fell 27th Sept 1939 HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/09/27
1939/09/29 Commerc Sectn has been in Elmers 10 days HW14 /1 Denniston Memo 29/09/39 HW14/1
1939/09/29 Huts now under construction for Serv Sec HW14 /1 Denniston Memo 29/09/39 HW14/1
1939/09/29 Extra space being cleared in Elmers HW14 /1 Denniston Memo 29/09/39 HW14/1
1939/09/29 costs of duplicating Netz for French HW14 /1 Knox to Denniston re Anglo-French E Liai1939/09/29
1939/09/29 costs of wood for copies of rods HW14 /1 Knox to Denniston re Anglo-French E Liai1939/09/29
1939/09/29 costs of "sex-statistics"? HW14 /1 Knox to Denniston re Anglo-French E Liai1939/09/29
1939/09/29 Knox's "new machine"? Travis & H.-M? imp HW14 /1 Knox to Denniston re Anglo-French E Liai1939/09/29
1939/10 Winterbotham retn Broadway R.V.Jones
1939/10 Air Section under Winterbotham R.V.Jones
1939/10 Tiltman and Josh Cooper interested Hut 6 Story Gordon Welchman
1939/10 Waiting for Jeffreys sheets HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1939/10 Blandy D of Sig Y, AI1(c) and Air GC&CS HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/10
1939/10 Prof Adcock & Miss Welsford jnd Germ Air HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/10
1939/10 Blandy appointed to control A M Sig Int HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1939/10
1939/10 Sqd Ldr Moore jned by Adcock,Ms Welsford HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/10
1939/10 Worries that Germans may have changed E HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/10
1939/10 difficulties with staff relative pay HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Kendrick quite admirable HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Welchman doing well and is keen HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Twinn still very keen and hard working HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Jeffreys extreemly sound good statistics HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Turing is very difficult,clever impossib HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Tiltman & Knox quite at peace HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Cooper Knox didnt understand him and v v HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Frank Birch does more work than others HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Knox:problems betwn Frank,Saunders&crypt HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Kendrick,Edgar not close to Ellingworth HW14 /1 Memo Knox to Denniston re staff HW14/1939/10
1939/10 Naval Section moved to Hut4 when ready Interview with Barbara Eachus(Abernethy)1939/10
1939/10 Barbara Abernethy joined Admin,Bradshaw Interview with Barbara Eachus(Abernethy)1939/10
1939/10/14 Denniston agrees to Knox small workshop HW14 /1 Knox to Travis? request to start worksh1939/10/14
1939/10/21 Cover letter fm Sandwith-Denniston re Y HW14 /1 Sandwith-Denniston re new Navy Y HW11939/10/21
1939/10/21 reports failed to get new Y station appv HW14 /1 Sandwith-Denniston re new Navy Y HW11939/10/21
1939/10/21 GC&CS wants new Y stn not Extn Scarboro HW14 /1 Sandwith-Denniston re new Navy Y HW11939/10/21
1939/10/21 Post Office concened lines all thr Leeds HW14 /1 Sandwith-Denniston re new Navy Y HW11939/10/21
1939/10/27 Denniston to Saunders: all crypt at GC&C HW14 /1 Memo Denniston to Saunders 27th Oct 19391939/10/27
1939/10/27 ID8G serve OIC under Clayton as IOs usgY HW14 /1 Memo Denniston to Saunders 27th Oct 19391939/10/27
1939/10/27 Complaint abt GAF code part lost Scapa F HW14 /1 Memo Denniston to Saunders 27th Oct 19391939/10/27
1939/11 Sinclair replaced by Menzies Patrick Beesly Very Special Intelligenc1939/11
1939/11 400 on Main 200 on U E messages per day HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1939/11 field Y units should get medium Wave E HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1939/11 beginnings of traffic register HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1939/11 Gp Cpt Blandy asked to be ready to takeE HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1939/11 Col Butler asked to concentrate on GAF E HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1939/11 Fetterlein jned Nov when books captured HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/11
1939/11 books and map grid from crashed GAF plan HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/11
1939/11/01 Plain catalogue complete & punched HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 catalogue will be duplicated for French HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 Have 2 Punches, 2 more on order HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 30 Enigma Bombe for cribs on order BTM HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 Knox,Twinn,Welchman,Jeffreys memo to Den HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 Recent inc in GAF HF on Main Discrimntr HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 With more traffic poss break wth 4 E Bmb HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 Naval E could be solved by 30 E Bombe HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 If steckers known "rack" could solve E HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 "Rack" machine to count ltr "E" frequenc HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/01 200 decodes per day would give bigrams HW14 /2 Knox,Twinn,Welchman,Turing,Jeffreys re E1939/11/01
1939/11/04 ref Y Subctte mins of 24th Oct 39 HW14 /2 Denniston?-Blandy re Y resources for E 1939/11/04
1939/11/04 Chatham to take less Main Disc E HW14 /2 Denniston?-Blandy re Y resources for E 1939/11/04
1939/11/04 Rsrch Sectn cd break Main with new equip HW14 /2 Denniston?-Blandy re Y resources for E 1939/11/04
1939/11/04 After Xmas cd need much more E Intcpt HW14 /2 Denniston?-Blandy re Y resources for E 1939/11/04
1939/11/04 Concern that Chatham might not rtn to E HW14 /2 Denniston?-Blandy re Y resources for E 1939/11/04
1939/11/04 RAF might have to suddenly take over E HW14 /2 Denniston?-Blandy re Y resources for E 1939/11/04
1939/11/04 Scarboro Y vital:needs standby stn HW14 /1 Sandwith-Denniston re new Navy Y HW11939/11/04
1939/11/04 Despite this extra bldgs Scarboro apprvd HW14 /1 Sandwith-Denniston re new Navy Y HW11939/11/04
1939/11/05 Travis investigating Major Bombe machine HW14 /2 Travis to Denniston re Bombes and Enigma1939/11/05
1939/11/05 wants to know time to construct Minor Bm HW14 /2 Travis to Denniston re Bombes and Enigma1939/11/05
1939/11/05 need more Enigmas if intc becomes readbl HW14 /2 Travis to Denniston re Bombes and Enigma1939/11/05
1939/11/05 need 2 Minor Bombes,2 Racks,4 Enigmas HW14 /2 Travis to Denniston re Bombes and Enigma1939/11/05
1939/11/07 Enigma used universally,Army & GAF HW14 /2 Progress Rpt on German Mil Cyphers HW11939/11/07
1939/11/07 3 ltr codes used Air Ground read by AirS HW14 /2 Progress Rpt on German Mil Cyphers HW11939/11/07
1939/11/07 Air E providing most traffic HW14 /2 Progress Rpt on German Mil Cyphers HW11939/11/07
1939/11/18 need to seperate Research from Productio hw14 /2 memo Travis to Denniston re E exploitati1939/11/18
1939/11/18 Research Knox,Kendrick,Turing,MissNugent hw14 /2 memo Travis to Denniston re E exploitati1939/11/18
1939/11/18 Productn Welchman,Twinn,Jeffreys,Dawson hw14 /2 memo Travis to Denniston re E exploitati1939/11/18
1939/11/18 New Hut required for production hw14 /2 memo Travis to Denniston re E exploitati1939/11/18
1939/11/18 Bombe machines to be run by Dawson hw14 /2 memo Travis to Denniston re E exploitati1939/11/18
1939/11/18 Layout of E production Hut (?6) HW14 /2 memo Travis to Denniston re E exploitati1939/11/18
1939/11/18 study of all Germ WT logs Chatham verygd HW14 /2 letter from Ellingworth to MI8 re E reg 1939/11/18
1939/11/18 need someone else to do E reg at Chatham HW14 /2 letter from Ellingworth to MI8 re E reg 1939/11/18
1939/11/18 could 4IS help with E registration HW14 /2 letter from Ellingworth to MI8 re E reg 1939/11/18
1939/11/20 pgs 633-629 further description of 5ltrE HW14 /2 note on 5 ltr E with repeat 3 ltr Indica1939/11/20
1939/11/24 Denniston:GC&CS will do registration E HW14 /2 Denniston to Butler re E registration HW1939/11/24
1939/11/24 GC&CS to send party to Chatham to reg E HW14 /2 Denniston to Butler re E registration HW1939/11/24
1939/11/28 2 large groups, Main & U Systems 5 ltr E HW14 /2 note on 5 ltr E with repeat 3 ltr Indica1939/11/28
1939/11/28 U System uses Med Frq low power HW14 /2 note on 5 ltr E with repeat 3 ltr Indica1939/11/28
1939/11/28 U System heard in France, not at Chatham HW14 /2 note on 5 ltr E with repeat 3 ltr Indica1939/11/28
1939/11/28 700 messgs/day 400 Main,200 U,100 others HW14 /2 note on 5 ltr E with repeat 3 ltr Indica1939/11/28
1939/11/28 Chatham not allowed to concentrate on E HW14 /2 note on 5 ltr E with repeat 3 ltr Indica1939/11/28
1939/11/28 Detailed description of Main and U E HW14 /2 note on 5 ltr E with repeat 3 ltr Indica1939/11/28
1939/12 Colman in charge of Intercept Control Rm Hut 6 Story Gordon Welchman
1939/12 First org plan for Enigma attack Hut 6 Story Gordon Welchman
1939/12 support from Travis,Tiltman and Cooper Hut 6 Story Gordon Welchman
1939/12 Decision to move Exploitation to Hut 6 HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1939/12 Army operators and TAs did charting ntwk HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/12
1939/12 Air sectn youngest and smallest in GC&CS HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/12
1939/12 No pneumatic tubs in BP, balls in gutter HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/12
1939/12 Plight of Air Sectn Desperate Dec 1939 HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1939/12
1939/12 Blandy asks Cooper for staff position HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/12
1939/12 Blandy asks Cooper for staff position HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/12
1939/12 The Netz. millionth hole Dec 1939 HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/12
1939/12 First Bombe ordered by Travis Dec 1939 HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/12
1939/12 Prod Order for Bombes with BTM HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/12
1939/12 T/O pos for wheels 4 & 5 not correct HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/12
1939/12 1st break in Paris of 28/10/39 traffic HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/12
1939/12 Knox told he could not run Huts 6 & 8 HW14 /22 Denniston to Dilly Knox HW14/22
1939/12/18 Bertrand could give info abt MF E HW14 /2 Proposal to use French Intercpts for TA 1939/12/18
1939/12/27 Cooper's staff position & requirements HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/12/27
1939/12/27 Cooper's staff position & requirements HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1939/12/27
1939/12/27 establishment for GC&CS Air Section HW14 /2 memo Cooper to Blandy re estab GC&CS Air1939/12/27
1939/12/27 pgs 640-635 detail establishment for Air HW14 /2 memo Cooper to Blandy re estab GC&CS Air1939/12/27
1939/12/31 Establishment of CG&CS Air Sectn Dec 39 HW14 /2 Denniston->Blandy re Establisment Air GC1939/12/31
1940 First decrypts to Air Section R.V.Jones
1940 Italian Army code in Hut 5 P.W.Filby Floradora paper
1940 Wireless Board set up Christopher Andrew Secret Service
1940 First exec head of SOE Sir Frank Nelson Christopher Andrew Secret Service
1940 British Security Coordination BSC in USA Christopher Andrew Secret Service
1940 Head of OSS Colonel Donovan Christopher Andrew Secret Service
1940 MI1x set up for recruitment Christopher Andrew Secret Service
1940 First commander Brigadier Jeffries Christopher Andrew Secret Service
1940 List of MI5 recruits Christopher Andrew Secret Service
1940 first intelligence analysis Gordon Welchman Hut 6 Story
1940 Head Saunders plus F L Lucas & H Knight Gordon Welchman Hut 6 Story
1940 Turing and the Bombe Patrick Beesly Very Special Intelligenc1940
1940 Admiralty was an operational HQ Patrick Beesly Very Special Intelligenc1940
1940 Saunders section and BP Patrick Beesly Very Special Intelligenc1940
1940 Internment of Germans in UK Patrick Beesly Very Special Intelligenc1940
1940 MI5 badly organised under Kell Patrick Beesly Very Special Intelligenc1940
1940 Chart of Org Directorate of MI 1940 Patrick Beesly Very Special Intelligenc1940
1940 In first 16 months GC&CS expanded x 4 Patrick Beesly Very Special Intelligenc1940
1940 First reports from 'Boniface' not belevd Patrick Beesly Very Special Intelligenc1940
1940 SIS bids for SOE Patrick Beesly Very Special Intelligenc1940
1940 OIC relied on GC&CS Naval sectn research Harry Hinsley Vol 1
1940 DNI added NID17 to scrutinise non Ad. I Harry Hinsley Vol 1
1940 MI8 undertook TA on GAF Harry Hinsley Vol 1
1940 No TA by GC&CS Army Section Harry Hinsley Vol 1
1940 MI and AI had TA teams at GC&CS Harry Hinsley Vol 1
1940 AI benefited from Enigma breaks Harry Hinsley Vol 1
1940 Steady collaboration AI GC&CS Harry Hinsley Vol 1
1940 WO saddled with interception of Enigma Harry Hinsley Vol 1
1940 MI8 centre for Army TA Harry Hinsley Vol 1
1940 Y Committee given Chair and two secretas Harry Hinsley Vol 1
1940 GC&CS v Int Dirs changing Harry Hinsley Vol 1
1940 conflict with GC&CS on control of crypt Harry Hinsley Vol 1
1940 North Sea German weather rec flights Codebreakers Peter Lucas
1940 intelligence should be with those use it Codebreakers Peter Lucas
1940 all codebreaking should be at GC&CS Codebreakers Peter Lucas
1940 devolved to Cheadle Codebreakers Peter Lucas
1940 three figure Italian AF system Codebreakers Henry Dryden
1940 German Railway Enigma Codebreakers Henry Dryden
1940 Banburismus Codebreakers Joan Murray ne Clark
1940 Norman an original member of Hut 3 watch Codebreakers Edward Thomas
1940 original Hut 3 watch set up by Welchman Codebreakers Edward Thomas
1940 Winterbotham did not "set up Hut 3 watch Codebreakers Edward Thomas
1940 original watch headed by Commdr Saunders Codebreakers Edward Thomas
1940 orig watch Saunders,Norman,LucasMarchant Codebreakers Edward Thomas
1940 Hut 3 part of GC&CS Codebreakers William Millward
1940 start of Enigma Int analysis Hut 6 Story Gordon Welchman
1940 FO Int group tiny Hut 3 head Saunders Hut 6 Story Gordon Welchman
1940 First Hut 3 Saunders, Lucas, Knight Hut 6 Story Gordon Welchman
1940 June Canney Welchman's secretary Hut 6 Story Gordon Welchman
1940 Hugh Alexander joined Hut 6 Story Gordon Welchman
1940 Early recruitment to Hut 6 Hut 6 Story Gordon Welchman
1940 Bodsworth Head of German Naval W F Clarke Bletchley Park 1941-45 Crypto1940
1940 Gordon's gift for planning and org P S Milner-Barry Memorium for Gordon Wel1940
1940 Col Butler merging of decode & D/F HW3/ 92 History of Military Section HW3/92
1940 Special Liaison Party SLP adjunct to H 3 HW3/ 92 History of Military Section HW3/92
1940 Welchman wanted to control Chatham intcp HW3/ 92 History of Military Section HW3/92
1940 Dir GC&CS and "C" wanted to keep E secrt HW3/ 92 History of Military Section HW3/92
1940 MI8 Colonel resp for Intercept & WT/I HW3/ 92 History of Military Section HW3/92
1940 W/T I section of MI8 at 3 Cork Street HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940 Cpt Bolitho attempts to discvr G call sg HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940 GAF MF/HFLnk eventually dscvd in 1940 HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1940
1940 Maggs at A M expert on OrdOBat HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1940
1940 Still seperation of TA and decrypt HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1940
1940 Hut 3 4 6 and 8 evacuate to Wavenden HW14 /6 Emergency procedures for BP evacuation H1940
1940 Room numbers same as in 1940 Upper floor plan of the Mansion
1940 Huts 6,7,8 started 1940 Hut 7 outsid fnc Interview with Bob Watson 12/11/98
1940 Frank Birch got all crypt back to BP HW3/ 17 W Bodsworth answers to Christopher's qus1940
1940 difficulties in protecting "source" HW3/ 95 pt 3 of Nigel de Grey's Hist of BP HW3/1940
1940 Y intercept prblms not understood at top HW3/ 95 pt 3 of Nigel de Grey's Hist of BP HW3/1940
1940 Battle to establish Y and crypt midle Es HW3/ 95 pt 3 of Nigel de Grey's Hist of BP HW3/1940
1940- GC&CS decrypts Abwehr messages Christopher Andrew Secret Service
1940- Services did not wish to interfer in SIS Harry Hinsley Vol 1
1940- exposition of background to TA problems HW3/ 92 Hist of Military Intelligence 1926-45 H1940-
1940- need to keep breaking of E abs secret HW3/ 92 Hist of Military Intelligence 1926-45 H1940-
1940- suspicion of Butler's motives re Intcpt HW3/ 92 Hist of Military Intelligence 1926-45 H1940-
1940- growth of TA:W/TI,56 in'40 to 1,900 in45 HW3/ 92 Hist of Military Intelligence 1926-45 H1940-
1940- growth of TA:W/TI,56 in'40 to 1,900 in45 HW3/ 92 Hist of Military Intelligence 1926-45 H1940-
1940- Series of incidents of Germ reading UKN HW14 /16 German reading UKNaval Codes for over 1 1940-
1940-1941 pgs 1289-1284 Dossier on IE,summary refs HW3/ 158 History of Int Exchnge (IE) in GC&CS HW31940-1941
1940-1942 Desguise for decryupts CX/FJ, JQ, MSS R.V.Jones
1940-1945 Intercept of Germ T/P, FISH: Kenworthy HW3/ 163 Kenworthy's paper on Intcpt of T/P FISH 1940-1945
1940-1945 Intercept of FISH pgs 793-770 HW3/ 163 Kenworthy's paper on Intcpt of T/P FISH 1940-1945
1940-41 pgs 686-648 good coverage, based on HW14 HW3/ 95 pt 3 of Nigel de Grey's Hist of BP HW3/1940-41
1940/01 Dryden founder menber of Hut3 Codebreakers Henry Dryden
1940/01 Stuart Milner-Barry joined Jan 1940 Hut 6 Story Gordon Welchman
1940/01 Chatham taking all Enigma intcp HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1940/01 First breaks with Jeffreys sheets HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1940/01 Impossible to provide more operators HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1940/01 Denniston appealed to Y committee HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1940/01 Exploitation moved to Hut 6 HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 Typex machines modified to do E Decrypt HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 No means in GC&CS for assesing Int frm E HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 Neccessary to draw up rules for handling HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 All subsqnt handling affected by decisio HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 Hut 6 & Resrch Sectn became barred zone HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 Hut 3 allowed to select output HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 Wng Cdr Winterbotham to take E output HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 FJ section started in Hut3 undr Saunders HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 Military Section moved from Hut 3 to H 5 HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 Sq Ldr Shaw, Cpt Edgar and F L Lucas in3 HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 Hut 3 o/p went via SIS II to Air Germ I HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01 Waters, Stacey, Whitestone, P Lucas join HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1940/01
1940/01 1st break in UK of 25/10/39 in Jan 1940 HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1940/01
1940/01 RSS under Worlledge fnd Illicit Tx HW14 /6 Denniston to ? re Illicit W/T ciphers H1940/01
1940/01 GC&CS need both 3ltr and E intcpts HW14 /3 Denniston to? re coord of 3ltr & E intcp1940/01
1940/01 Stns to inform Knox of any QWP mesgs HW14 /3 Denniston to? re coord of 3ltr & E intcp1940/01
1940/01- btwn Jan & Mar 50 days trafic solved onE HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01/01 Tiltman sent Bonsall to join Air HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1940/01/01
1940/01/05 Knox promoted to Chief assistant GC&CS HW14 /3 F G Butler,FO to Denniston re Knox promt1940/01/05
1940/01/05 retirement of Oliver Strachey HW14 /3 F G Butler,FO to Denniston re Knox promt1940/01/05
1940/01/06 6th Jan 40 first succesful E break Red HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/01/07 Knox:Netz must be taken to Paris immedia HW14 /3 letter Knox to Denniston re Netz HW141940/01/07
1940/01/07 Knox volunteers take Netz Paris himself HW14 /3 letter Knox to Denniston re Netz HW141940/01/07
1940/01/09 Poles: Jerzy Rozycki,Marian Rejewoli HW14 /3 Denniston-Menzies re visit by Poles HW11940/01/09
1940/01/09 Poles: Henryk Zygalski HW14 /3 Denniston-Menzies re visit by Poles HW11940/01/09
1940/01/09 Possible change German E system at war HW14 /3 Denniston-Menzies re visit by Poles HW11940/01/09
1940/01/09 visit from Poles would be valuable HW14 /3 Denniston-Menzies re visit by Poles HW11940/01/09
1940/01/10 request fm Denniston-Rivet for Poles vis HW14 /3 Denniston to Rivet re visit to Uk by Pol1940/01/10
1940/01/10 concern that Germans might change E syst HW14 /3 Denniston to Rivet re visit to Uk by Pol1940/01/10
1940/01/20 Essential for Chatham to concentrate E HW14 /3 Denniston-Butler re Y intcpt of E HW11940/01/20
1940/01/20 Denniston: Y stns concentrate Air&Army E HW14 /3 Denniston-Butler re Y Intcpt of E HW11940/01/20
1940/01/25 Poles kept in France because French pay HW14 /3 Denniston?-"C" re Poles and E breaking 1940/01/25
1940/01/25 Denniston would hv welcomed visit Poles HW14 /3 Denniston?-"C" re Poles and E breaking 1940/01/25
1940/01/25 Knox has speeded up key finding HW14 /3 Denniston?-"C" re Poles and E breaking 1940/01/25
1940/01/25 E Keys produced for Oct 25 and Jan 17 HW14 /3 Denniston?-"C" re Poles and E breaking 1940/01/25
1940/02 Col Butler to GCpt Blandy Chatham no GAF HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1940/02 4 ugrads fm Cambridge to Air Section HW3/ 95 Nigel de Grey Sitz & Blitz Hist of BP 1940/02
1940/02 Strachey decoded I W/T messages HW14 /6 Denniston to ? re Illicit W/T ciphers H1940/02
1940/03 Org of MI Patrick Beesly Very Special Intelligenc1940/03
1940/03 First Bombe 14th March 1940 Sqdn Ldr Jones Section PRO paper
1940/03 3 staff in Hut 1 Army,Navy and RAF Jones Sqdn Ldr Jones Section PRO paper
1940/03 the baby also known as the Test Plate Sqdn Ldr Jones Section PRO paper
1940/03 Machine No 1 "Victory" Sqdn Ldr Jones Section PRO paper
1940/03 immediate 24hr watches Sqdn Ldr Jones Section PRO paper
1940/03 FO stns Denmark Hill & Sandridge Enigma HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1940/03 Blandy did not want Air Y to take Enigma HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1940/03
1940/03/01 Welchman head of Registration Sctn Hut 6 HW14 /4 Welchman memo on Registration Sctn in Hu1940/03/01
1940/03/01 Depty Hd of H6 Registn Sctn Milner-Barry HW14 /4 Welchman memo on Registration Sctn in Hu1940/03/01
1940/03/01 Team ldrs H6 Registn Sctn Banister,Smith HW14 /4 Welchman memo on Registration Sctn in Hu1940/03/01
1940/03/01 Reg. Sectn preparing Females lists Hut 6 HW14 /4 Welchman memo on Registration Sctn in Hu1940/03/01
1940/03/01 two girls making up Foss sheets Hut 6 HW14 /4 Welchman memo on Registration Sctn in Hu1940/03/01
1940/03/01 Welchman&Milner-Barry grasp Ger. W/T Org HW14 /4 Welchman memo on Registration Sctn in Hu1940/03/01
1940/03/01 Interservice problem of E intercept HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 Germany M & Air Force E exactly the same HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 Germans use low power & freq callsign ch HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 Chatham has done magnificent work HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 Chatham compilation room vital work HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 GC&CS E Section regular and quick decode HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 GC&CS success depends on large vols intc HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 Still not enough operators at Chatham HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 W O wants Chatham to do Germ Army notGAF HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 Vital continue GAF in case Germs change HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 Cheadle not yet competent to take E HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/01 Problem of M Freq E Intcp must be solved HW14 /4 memo from Hut 6 on interception of E HW1940/03/01
1940/03/28 reqst for French to send E decodes to UK HW14 /4 memo from Saunders to Denniston HW14/4
1940/03/28 speeding up of sending French E intcpts HW14 /4 memo from Saunders to Denniston HW14/4
1940/04 Col Stratton formed Central Int Sect CIS HW3/ 92 History of Military Section HW3/92
1940/04 CIS at Caxton St, home of MI8 HW3/ 92 History of Military Section HW3/92
1940/04 CIS personnel on 4IS establishment HW3/ 92 History of Military Section HW3/92
1940/04 GAF Enigma intcpt at Chatham Army Stn HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1940/04 Germans have superb W/T organisation HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1940/04 Intcpt an Interservice problem HW14 /4 Hut 6 memo poss Gordon Welchman HW14/4
1940/04 all H6 CX/FJ Info must go to Wintrbotham HW14 /4 Minute from CSS to Travis 14/04/40 HW141940/04
1940/04 request for I officers for GHQ BEF HW14 /4 memo from Butler to Tiltman HW14/4
1940/04 Dryden to be withdrawn because civilian HW14 /4 memo from Butler to Tiltman HW14/4
1940/04 Butler wants clarificatn re "imptnt dev" HW14 /4 memo from Butler to Tiltman HW14/4
1940/04 Butler says MI8 capable deciding referal HW14 /4 memo from Butler to Tiltman HW14/4
1940/04 Concern at Army trying to do crypt HW14 /4 Denniston to Menzies HW14/4
1940/04 concern thet Tiltman's advice not taken HW14 /4 Denniston to Menzies HW14/4
1940/04 statement of Tiltman's track record HW14 /4 Denniston to Menzies HW14/4
1940/04 mention of meeting in Paris on Army cryp HW14 /4 Denniston to Menzies HW14/4
1940/04 Menzies asked to call top level meeting HW14 /4 Denniston to Menzies HW14/4
1940/04 complaint re lack of Enigma intercept HW14 /4 Denniston to Menzies HW14/4
1940/04 Col Bayldon pay etc A9 1(e) HW14 /4 memo Blandy to Denniston HW14/4
1940/04 MI8 officers visiting GC&CS HW14 /4 memo to Denniston HW14/4
1940/04 Yellow key both German Army and GAF HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/04 E decrypt did not effect Norway battle HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/04 Hut 3a started just after strt of Norway HW14 /10 report of work in Hut 3A for 1940 de Gre1940/04
1940/04 Breaking E as agents rpts deprived MI8(a HW3/ 92 Hist of Military Intelligence 1926-45 H1940/04
1940/04 Central Int Sectn, Col Stratton at MI8 HW3/ 92 Hist of Military Intelligence 1926-45 H1940/04
1940/04 security restrictions on E decodes HW3/ 92 Hist of Military Intelligence 1926-45 H1940/04
1940/04/08 Col Makin apptd dep head RAF sectn GC&CS HW14 /4 memo Blandy to Denniston HW14/4
1940/04/08 from Gp Cpt L F Blandy AI1(e) HW14 /4 memo Blandy to Denniston HW14/4
1940/04/08 officers outside SIS GC&CS whoknow abt E HW14 /4 List of officers in the know about E HW11940/04/08
1940/04/09 Germany invaded Denmark 9th April 1940 HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/04/15 Yellow key broken 15th April 1940 HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/04/29 failed to get yesterday's key out 28/04 HW14 /4 Denniston to Menzies HW14/4
1940/05 Complaints from services SIS unreliable Christopher Andrew Secret Service
1940/05 SIS needed overhaul Christopher Andrew Secret Service
1940/05 FO sends Reilly as Menzies assistant Christopher Andrew Secret Service
1940/05 First break of GAF Enigma Christopher Andrew Secret Service
1940/05 Arrived BP Codebreakers Alec Dakin
1940/05 joined Z Watch under Walter Eytan Codebreakers Alec Dakin
1940/05 German call sign book captured HW3/ 92 History of Military Section HW3/92
1940/05 German callsign book captured in Norway HW3/ 92 Hist of Military Intelligence 1926-45 H1940/05
1940/05 Special Liaison Party formed at GC&CS HW3/ 92 Hist of Military Intelligence 1926-45 H1940/05
1940/05 need to speed up comms led to SLU/SCU HW3/ 92 Hist of Military Intelligence 1926-45 H1940/05
1940/05 BRIG Gambier-Parry starts SLU/SCU HW3/ 92 Hist of Military Intelligence 1926-45 H1940/05
1940/05 Hut 6 getting about 1,000 messags/day HW3/ 95 pt 3 of Nigel de Grey's Hist of BP HW3/1940/05
1940/05/10 Germany invaded Holland & Belgium 10/05 HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/05/12 Col Butler MI8(b) resp Foreign Civ & Mil HW3/ 92 Hist of Military Intelligence 1926-45 H1940/05/12
1940/05/14 Battle for Norway ended May 14th 1940 HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/05/23 Bradshaw's Org diagram of GC&CS for FO HW14 /5 Denniston to "C" org diagram of GC&CS H1940/05/23
1940/05/23 Expansn of GC&CS 200 09/39 700 in 05/40 HW14 /5 Denniston to "C" org diagram of GC&CS H1940/05/23
1940/05/23 "Construction" refs Code Construction HW14 /5 Denniston to "C" org diagram of GC&CS H1940/05/23
1940/05/28 Saunders wants more people in Section FJ HW14 /5 memo fm Saunders re Personnel in Section1940/05/28
1940/05/28 Section FJ in 1st Hut 3 HW14 /5 memo fm Saunders re Personnel in Section1940/05/28
1940/05/28 Concern that info fm E not being act on HW14 /5 memo fm Saunders re Personnel in Section1940/05/28
1940/05/30 Dunkirk evacuation btwn 30 May & 4 June HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/06 Tiltman in Hut 5 P.W.Filby Floradora paper
1940/06 Kell and Holt-Wilson dismissed Patrick Beesly Very Special Intelligenc1940/06
1940/06 NID17M to exploit GC&CS reading Abwehr Harry Hinsley Vol 1
1940/06 The Baby made by BTM Letchworth Codebreakers Joan Murray ne Clark
1940/06 Joan Murray arrived BP 17 June 1940 Codebreakers Joan Murray ne Clark
1940/06 Worked with Turing, Kendrick and Twinn Codebreakers Joan Murray ne Clark
1940/06 in Hut 8 documents from VP623 Codebreakers Joan Murray ne Clark
1940/06 Denniston in hospital for a stone 1940 Hut 6 Story Gordon Welchman
1940/06 Philby joined BP and Tiltman in Hut 5 P W Filby Bletchley & Berkeley St Int&Na1940/06
1940/06 CIS reinforced by evac from Dunkirk HW3/ 92 History of Military Section HW3/92
1940/06 Cpt Lithgow introduced into Hut 3 HW3/ 92 History of Military Section HW3/92
1940/06 "fruits" sent to MI8 HW3/ 92 History of Military Section HW3/92
1940/06 Lithgow made contribution to Hut 3 & 6 HW3/ 92 History of Military Section HW3/92
1940/06 Chinese records to Sir Everard Duncombe HW3/ 33 Denniston: Plan for disposal of records 1940/06
1940/06 H3a task to reveal GAF Order of Battle HW14 /10 report of work in Hut 3A for 1940 de Gre1940/06
1940/06 Cpt Lithgow in Hut 3 study callsigns frq HW3/ 92 Hist of Military Intelligence 1926-45 H1940/06
1940/06 SLP based on decodes, cribs passed to H6 HW3/ 92 Hist of Military Intelligence 1926-45 H1940/06
1940/06 SLP staff held on establishment of 4IS HW3/ 92 Hist of Military Intelligence 1926-45 H1940/06
1940/06/25 Hostilities in France ended 25th June 40 HW3/ 95 Nigel de Grey's Hist of BP HW3/95
1940/06/26 Denniston's plan for records disposal HW3/ 33 Denniston: Plan for disposal of records 1940/06/26
1940/07 Dalton given control of SOE Christopher Andrew Secret Service
1940/07 SOE absorbed Section D of SIS and MIR Christopher Andrew Secret Service
1940/07 Intelligence Corps re-established Christopher Andrew Secret Service
1940/07 Intelligence Corps formed Patrick Beesly Very Special Intelligenc1940/07
1940/07 crypto liaison officer Hut3-Hut6 Codebreakers Henry Dryden
1940/07 Turing and simultaneous scanning Codebreakers Joan Murray ne Clark
1940/07 Welchman's diagonal board Codebreakers Joan Murray ne Clark
1940/07 Denniston: GC&CS must be crypt cntr frIW HW14 /6 Denniston to ? re Illicit W/T ciphers H1940/07
1940/07/08 3 Mil Offcrs in RAF Section on 3 ltr cds HW14 /6 Denniston to Butler re Mil Offcrs in GC&1940/07/08
1940/07/08 2 Mil Offcrs in Hut 6 (20 Officers in H6 HW14 /6 Denniston to Butler re Mil Offcrs in GC&1940/07/08
1940/07/08 11 Mil Offcrs in Hut 3, 3 for nonE later HW14 /6 Denniston to Butler re Mil Offcrs in GC&1940/07/08
1940/07/08 hasty reconstruction of French section HW14 /6 Denniston to Butler re Mil Offcrs in GC&1940/07/08
1940/07/14 List people know src CX/jQ outside GC&CS HW14 /6 List people know srce ofCX/JQ outside GC1940/07/14
1940/07/17 Terminology to be agreed "Computers" etc HW14 /6 Denniston to Godfrey re terminology HW11940/07/17
1940/07/20 Mobile column for BQ (Evacuation) Unit HW14 /6 Mobile column for BQ (Evacuation) Unit H1940/07/20
1940/07/20 Hut 3, 11 car owners HW14 /6 Mobile column for BQ (Evacuation) Unit H1940/07/20
1940/07/20 Hut 4, 4 car owners HW14 /6 Mobile column for BQ (Evacuation) Unit H1940/07/20
1940/07/20 Hut 6, 6 car owners HW14 /6 Mobile column for BQ (Evacuation) Unit H1940/07/20
1940/07/20 Hut 8, 3 car owners HW14 /6 Mobile column for BQ (Evacuation) Unit H1940/07/20
1940/07/31 Rpt fm Col Worlledge delays in dcrypt IW HW14 /6 Butler to Denniston re decrypt IW traffc1940/07/31
1940/08 Saunders appointed R.V.Jones
1940/08 Diagrm of Org of NID Aug 1940 HW14 /6 Diagrm of Org of Naval Int Div (NID) Aug1940/08
1940/08/01 Hut 6 size 89 HW14 /6 personnel and org in GC&CS Aug 1940 H1940/08/01
1940/08/01 Hut 7 size 10 HW14 /6 personnel and org in GC&CS Aug 1940 H1940/08/01
1940/08/01 Cottage size 7 HW14 /6 personnel and org in GC&CS Aug 1940 H1940/08/01
1940/08/01 Hut 8 size 32 HW14 /6 personnel and org in GC&CS Aug 1940 H1940/08/01
1940/08/03 Y obtains material,Hut 6 decodes,H 3->JQ HW14 /6 Denniston to Hatton-Hall MI6 re procedur1940/08/03
1940/08/03 All comms Hut 3 to Army or WO thru MI6 HW14 /6 Denniston to Hatton-Hall MI6 re procedur1940/08/03
1940/08/04 GC&CS total 748 people HW14 /6 personnel and org in GC&CS Aug 1940 H1940/08/04
1940/08/21 Captured documents delayed from Alexandr HW14 /6 memo Godfrey to Denniston 21 Aug 40 H1940/08/21
1940/08/26 Against proposal to trnsfr E to Chicksnd HW14 /6 papr on E intcpt problems by Welchman et1940/08/26
1940/08/26 transfr fm Chatham to Chick could looseE HW14 /6 papr on E intcpt problems by Welchman et1940/08/26
1940/08/26 Alexander, Babbage,Milner-Barry,Crawford HW14 /6 papr on E intcpt problems by Welchman et1940/08/26
1940/08/26 Crawford,Jeffreys,Coleman,Welchman HW14 /6 papr on E intcpt problems by Welchman et1940/08/26
1940/08/27 Naval Y to be extended to cover ALL trfc HW14 /6 Godfrey to Menzies re intercept faciliti1940/08/27
1940/08/27 All deptmnts Y expanded to intcpt All HW14 /6 Godfrey to Menzies re intercept faciliti1940/08/27
1940/08/27 All intcpt info to be pooled HW14 /6 Godfrey to Menzies re intercept faciliti1940/08/27
1940/08/27 All translations at GC&CS HW14 /6 Godfrey to Menzies re intercept faciliti1940/08/27
1940/09 Hollerith section outside fence P.W.Filby Floradora paper
1940/09 William Friedman visit to Tiltman P.W.Filby Floradora paper
1940/09 Size of BP 100-200 people P.W.Filby Floradora paper
1940/09 Air Intelligence Directrt up to 240 Harry Hinsley Vol 1
1940/09 with Oliver Strachey on Abwehr codes Codebreakers Henry Dryden
1940/09 Freidman, Sinkov, Rowlett & Kullback EP P W Filby Bletchley & Berkeley St Int&Na1940/09
1940/09 100-200 people in BP P W Filby Bletchley & Berkeley St Int&Na1940/09
1940/09 Lithgow advised Intercept Cntrl in Hut 6 HW3/ 92 History of Military Section HW3/92
1940/09 CIS Long Term & Short Term Research HW3/ 92 History of Military Section HW3/92
1940/09 Cheadle computors dev Footprinting HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1940/09
1940/09 CIS into 2, Long Term Res Col Stratton HW3/ 92 Hist of Military Intelligence 1926-45 H1940/09
1940/09 CIS into 2, Short Term Res,Central Party HW3/ 92 Hist of Military Intelligence 1926-45 H1940/09
1940/09 Central Party moved to the Warren, Harpn HW3/ 92 Hist of Military Intelligence 1926-45 H1940/09
1940/09 NS Ital E sent prefix INS HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1940/09
1940/09/08 Denniston quotes "section FJ now Hut 3" HW14 /7 Denniston to Knox re merge Ital with Hut1940/09/08
1940/09/08 Naval Enigma broken in April HW14 /7 Denniston to Knox re merge Ital with Hut1940/09/08
1940/09/08 Railway E broken August HW14 /7 Denniston to Knox re merge Ital with Hut1940/09/08
1940/09/08 Clarke not Hut 3 to deal with Italian E HW14 /7 Denniston to Knox re merge Ital with Hut1940/09/08
1940/10/09 Col Butler proposed MI8 focus on opRadIn HW3/ 92 Hist of Military Intelligence 1926-45 H1940/10/09
1940/10/23 H3a taks ovr circulatn of IS fm Strachey HW14 /10 report of work in Hut 3A for 1940 de Gre1940/10/23
1940/10/31 Current and proposed Hut 3 6 4IS staff HW14 /7 Increases in 4 IS staff at BP HW14/7
1940/11 New Director MI5, Sir David Petrie Patrick Beesly Very Special Intelligenc1940/11
1940/11 Sht Term Res mvd to Harpenden as Cen Pty HW3/ 92 History of Military Section HW3/92
1940/11/02 Action taken Prof Norman on "Beam" dcryp HW14 /8 Action by Prof Norman on "Beams" decrypt1940/11/02
1940/11/05 Rpt on staffing RAF met sectn GCCS HW14 /8 Report on staffing of RAF met Sectn GC&C1940/11/05
1940/11/14 Memo ASD to "C" re copies deGaulle cyphs HW14 /8 Memo ASD to "C" re copies de Gaulle cyph1940/11/14
1940/11/15 Denniston? on French Liaison problems HW14 /8 Memo by Denniston? re French Liaison HW11940/11/15
1940/11/20 More spiders(Bombes) urgently needed HW14 /8 Need for Spiders, Travis? HW14/8
1940/11/23 DofI congrats GC&CS on help to Fighter C HW14 /8 Letter of congratulation from DI to GC&C1940/11/23
1940/11/25 Bertrand to be asked if needs E info HW14 /8 Denniston to "C" re French liaison HW141940/11/25
1940/11/25 Ask Bertrand what he is doing with E inf HW14 /8 Denniston to "C" re French liaison HW141940/11/25
1940/11/28 memo to "C" re need mass prodce Bombes HW14 /8 memo to "C" re need to mass prodce Bombe1940/11/28
1940/11/28 need to house Bombes in sep shelters HW14 /8 memo to "C" re need to mass prodce Bombe1940/11/28
1940/12 Org chart for GC&CS 1940 Patrick Beesly Very Special Intelligenc1940/12
1940/12 Intelligence Corps operational Harry Hinsley Vol 1
1940/12 Navy TA returned to BP Harry Hinsley Vol 1
1940/12 Enquiry on strength of GAF HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1940/12
1940/12/02 Rooms 1 to 12 upper floor the Mansion HW14 /9 staff by room numbers from Dec 40 list H1940/12/02
1940/12/02 Rooms 33 to 51 ground floor the Mansion HW14 /9 staff by room numbers from Dec 40 list H1940/12/02
1940/12/02 Rooms 21 to 28 upper floor the Mansion HW14 /9 staff by room numbers from Dec 40 list H1940/12/02
1940/12/02 Alphabetic list of all staff Dec 1940 HW14 /9 Staff list at BP for 2nd Dec 1940 HW141940/12/02
1940/12/22 background to interception of E HW14 /9 paper about need to centralise Int ?auth1940/12/22
1940/12/22 Author poss Winterbotham HW14 /9 paper about need to centralise Int ?auth1940/12/22
1940/12/22 E break "thanks mainly to SIS"!! HW14 /9 paper about need to centralise Int ?auth1940/12/22
1940/12/22 MI8 have tried to give up taking GAF E HW14 /9 paper about need to centralise Int ?auth1940/12/22
1940/12/22 Sets at Sandridge,Denmark Hill divertd E HW14 /9 paper about need to centralise Int ?auth1940/12/22
1940/8 Hut 3 R.V.Jones
1940/8 Air Section Hut R.V.Jones
1941 Enigma decrypts CX/FJ R.V.Jones
1941 Menzies fortunate he controlled BP Christopher Andrew Secret Service
1941 GC&CS expanded SIS contracted Christopher Andrew Secret Service
1941 Tensions within SIS, pr-war v wartime Christopher Andrew Secret Service
1941 GC&CS poorly organised Christopher Andrew Secret Service
1941 reasons for its success Christopher Andrew Secret Service
1941 Churchill's "no stone unturned.." quote Christopher Andrew Secret Service
1941 Start of move into intelligence by GC&CS Christopher Andrew Secret Service
1941 original Hut 3 moves to larger Hut Gordon Welchman Hut 6 Story
1941 U Boats carry 3 months settings Patrick Beesly Very Special Intelligenc1941
1941 Officer only signals Patrick Beesly Very Special Intelligenc1941
1941 Short signals Patrick Beesly Very Special Intelligenc1941
1941 wealth of info from research at GC&CS Harry Hinsley Vol 1
1941 GC&CS poor relations with AI & MI Harry Hinsley Vol 1
1941 GC&CS set up Inter-Service Distrbtn Sctn Harry Hinsley Vol 1
1941 Cheadle doing intelligence Codebreakers Peter Lucas
1941 Liaison unit in Hut 3 with Cheadle Codebreakers Peter Lucas
1941 Making decrypts availabe to NID at Admlt Codebreakers Walter Eytan
1941 Hut 4's own T/P room manned by WAAF Codebreakers Walter Eytan
1941 Advised by Frank Birch to stay civilian Codebreakers Walter Eytan
1941 Colman headed Intercept Control Room Hut 6 Story Gordon Welchman
1941 Milner-Barry crib hunting Hut 6 Story Gordon Welchman
1941 Alexander & Babbage in Machine Room Hut 6 Story Gordon Welchman
1941 Fletcher gen. Admn & Reg & Decode Rooms Hut 6 Story Gordon Welchman
1941 Enigma Intelligence to larger Hut 3 Hut 6 Story Gordon Welchman
1941 Joint Army RAF Int unit estab at BP Hut 6 Story Gordon Welchman
1941 Hut 3/Hut 6 still under Foreign Of Admn Hut 6 Story Gordon Welchman
1941 Denniston to London to work on Dip trfic Hut 6 Story Gordon Welchman
1941 Filby in Nigel de Gray's section P W Filby Bletchley & Berkeley St Int&Na1941
1941 Moved to McVittie's weather group P W Filby Bletchley & Berkeley St Int&Na1941
1941 Lng Trm Pty reconstructed GAF"Bird Book" HW3/ 92 History of Military Section HW3/92
1941 GC&CS did not think TA could help crypt HW3/ 92 History of Military Section HW3/92
1941 GC&CS wanted Lithgow's section increased HW3/ 92 History of Military Section HW3/92
1941 GC&CS opposed to formation of VI IS HW3/ 92 History of Military Section HW3/92
1941 Maggs ordered to adopt tie-up methods HW3/ 83 Memo from Josh Cooper to Travis 1944 HW1941
1941 Col Worlledge built up RSS HW3/ 92 Hist of Military Intelligence 1926-45 H1941
1941 No central tech Int at BP until E solved HW3/ 17 W Bodsworth answers to Christopher's qus1941
1941- Amalgamation of BP MS and AS Patrick Beesly Very Special Intelligenc1941-
1941- pgs 1245-1238 overview of growth of IE HW3/ 158 Introduction to Hist of IE at BP HW3/1941-
1941/01 Chatham expanded to 219 staff in Jan 41 HW3/ 92 Hist of Military Intelligence 1926-45 H1941/01
1941/01/05 Denniston: dept reports for work in 1940 HW14 /10 Denniston requests report of work in 1941941/01/05
1941/01/05 items to be shown in years report HW14 /10 Denniston requests report of work in 1941941/01/05
1941/01/08 Origins of Hut 3a headed by Nigel de Gre HW14 /10 report of work in Hut 3A for 1940 de Gre1941/01/08
1941/01/08 de Grey:intelligencing shld be done GC&C HW14 /10 report of work in Hut 3A for 1940 de Gre1941/01/08
1941/01/13 GAF codes during 1940, no difficulty HW14 /10 Cooper-Denniston re Air propects for 1941941/01/13
1941/01/13 GAF call signs and freq elucidated HW14 /10 Cooper-Denniston re Air propects for 1941941/01/13
1941/01/13 VHF transmissions still experimental HW14 /10 Cooper-Denniston re Air propects for 1941941/01/13
1941/01/13 bigram tables for map refs not changed HW14 /10 Cooper-Denniston re Air propects for 1941941/01/13
1941/01/31 pgs 618-544 conspicious lack of Enigma HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 pgs 619-613 overview by Denniston HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 Denniston suggests long-term blding plan HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 Germ & Russ taken steps to prevent readg HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 Travis has achved success with mech aids HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 Travis's close links with BTM vital HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 appreciatn of support by Tiltman,Cooper HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 start of Services Distribution & Refernc HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 description of functions of new D & R HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 Italian E circulated to DDIC via Hut 3 HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 Huts 1,6 & 8 just staff nos. total 118 HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 Hut 1 will req 4 SIS drivers, BTM mech HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 3 new bldgs reqd, 1 being blt, 1 at Wave HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 Hut 1 reserved for expansion from Hut 6 HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 Tabulating Machine Section (Hut 7) HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 very successful against Subtractors HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 JQ(probably means Hut 3) outputs & staff HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 from Knox, probably Research Sectn HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 report of IS (Oliver Strachey) HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 report from Commercial Sectn under Hope HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 report from diplomatic sectn HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 accomodation dire in Elmers School HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 overall estimates of staff inc, 146 HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/01/31 report from Construction, Mansfield, Oxf HW14 /11 GC&CS report for 1940 dated 31 Jan 1941 1941/01/31
1941/02 Naval Enigma not broken Patrick Beesly Very Special Intelligenc1941/02
1941/02 Lofoten Islands raid Patrick Beesly Very Special Intelligenc1941/02
1941/02 Arrived BP Feb 1941 Codebreakers Walter Eytan
1941/02 New VI Int School proposed. HW3/ 92 History of Military Section HW3/92
1941/02 Chatham moved to Chicksands Feb 1941 HW3/ 92 Hist of Military Intelligence 1926-45 H1941/02
1941/02 List of staff in Italian Naval Feb 1941 HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1941/02
1941/02/02 Denniston on a Services Dist & Ref sectn HW14 /12 Extract from Intro to 1940 Yr report H1941/02/02
1941/02/14 BP need slip readers, RAF might provide HW14 /12 Bradshaw-Denniston re morse slip readers1941/02/14
1941/02/14 Bradshaw: ideas for getting more fromRAF HW14 /12 Bradshaw-Denniston re morse slip readers1941/02/14
1941/02/17 MI8(a) German & rest,build W/T Intelgnce HW3/ 92 Hist of Military Intelligence 1926-45 H1941/02/17
1941/02/17 MI8(b) Organisation 4IS,Y Stns, Int Poly HW3/ 92 Hist of Military Intelligence 1926-45 H1941/02/17
1941/02/17 de Grey to Denniston re Central Int Sect HW3/ 158 History of Int Exchnge (IE) in GC&CS HW31941/02/17
1941/02/17 Central Int Sectn: senior liaison Offcrs HW3/ 158 History of Int Exchnge (IE) in GC&CS HW31941/02/17
1941/02/17 If object is to produce Int use civilian HW3/ 158 History of Int Exchnge (IE) in GC&CS HW31941/02/17
1941/02/22 REB at Chicksands helping ident Germ WT HW14 /12 REB and requirements of Hut 6 HW14/12
1941/02/22 More REB coverage help Hut 6 ident WT HW14 /12 REB and requirements of Hut 6 HW14/12
1941/02/26 Extract from Y Cttee mins 26 Feb 41 re Y HW14 /13 Extract fm Y Ctte mins 26th Feb 41 HW11941/02/26
1941/02/26 New Crypt Cttee at BP on Intcp Priority HW14 /13 Extract fm Y Ctte mins 26th Feb 41 HW11941/02/26
1941/02/26 Crypt Cte,RN Haynes,MI Tiltman,AI Cooper HW14 /13 Extract fm Y Ctte mins 26th Feb 41 HW11941/02/26
1941/03 German Diplomatic code Floradora P.W.Filby Floradora paper
1941/03 OIC(ADIC) appntd to coord GC&CS & OIC Harry Hinsley Vol 1
1941/03 Enigma subccte of Y set up at AI sugestn Harry Hinsley Vol 1
1941/03 Y Cttee confirmed that Crypt be at GC&CS Harry Hinsley Vol 1
1941/03 Lithgow party increased early 1941 HW3/ 92 History of Military Section HW3/92
1941/03 VI Int School set up 25th March 1941 HW3/ 92 History of Military Section HW3/92
1941/03 Lithgow's party increased to 6 Off HW3/ 92 Hist of Military Intelligence 1926-45 H1941/03
1941/03 Lithgow liaising with Hut 6 & MI8 HW3/ 92 Hist of Military Intelligence 1926-45 H1941/03
1941/03 6 IS started in March 41 covered Harp&BP HW3/ 92 Hist of Military Intelligence 1926-45 H1941/03
1941/03/03 Difficulties with grades for staff in Y HW14 /13 Meeting at AM to discuss staff gradings 1941/03/03
1941/03/06 Bombes:I Naval,II&IV Red&Brown,III Green HW14 /13 Bombe usage, copy to DNI HW14/13
1941/03/06 Bombe III on Naval when in new House HW14 /13 Bombe usage, copy to DNI HW14/13
1941/03/07 RSS moved from Mi8 to MI5 and 6 HW3/ 92 Hist of Military Intelligence 1926-45 H1941/03/07
1941/03/10 Col Tiltman:ISSIS could provide staff HW14 /13 2nd Mtg BPCttee 10th March 1941 HW14/11941/03/10
1941/03/10 ISSIS could test capabilities of new stf HW14 /13 2nd Mtg BPCttee 10th March 1941 HW14/11941/03/10
1941/03/23 Rpt on enqs by Sec Offcr people think BP HW14 /13 Rpt from Security Off to AGD re Bletchle1941/03/23
1941/03/26 anxiety on security Tx msgs fm Special S HW14 /13 Special Source Security top level mtg H1941/03/26
1941/03/26 Typex needs new drums to imprv security HW14 /13 Special Source Security top level mtg H1941/03/26
1941/03/26 pad subtractors used until Xdrums availb HW14 /13 Special Source Security top level mtg H1941/03/26
1941/04 Dir I upgrded to Ass.Chf Air Stf ACAS(I) Harry Hinsley Vol 1
1941/04 Intelligence Exchange by Nigel de Grey HW14 /16 Frank Birch on I E HW14/16
1941/04 Mansion Rm 4 Paymaster HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Mansion rm 6 Cpt Hastings' and DCSS Secs HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Mansion rm 7 Cpt Hastings & Assistant HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Mansion rm 21 Mr Main HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Mansion rm 23&24 Cpt Blare-Dudden HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Mansion rm 25 Cypher Officers HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Mansion rms 31, 32, 33 Spare HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Hut 9 rm 2 WAAF Offcr & WAAF Admin ex 33 HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Hut 9 rm 3 Jap Machine ex Hut 8 HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Hut 9 rm 4 Jap Section overflow ex Hut 8 HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Hut 9 rm 5, 6 Service D&R HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Hut 9 rm 7 Italian Naval overflow HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Hut 9 rm 1 spare HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Hut 9a Sth Am&Yugoslav ex 23,24,25 Elmer HW14 /14 Poss JCC Mins poss HW14/14
1941/04 Information Exchange(IE) conceived Ap 41 HW3/ 158 Introduction to Hist of IE at BP HW3/1941/04
1941/04 Hut 3 isolated by security HW3/ 158 Introduction to Hist of IE at BP HW3/1941/04
1941/04/01 Constitution of Joint Command Cttee JCC HW14 /14 Admin of War Station (JCC) HW14/14
1941/04/03 Plan for new buildings agreed HW14 /15 Mins JCC 3rd May 1941 HW14/15
1941/04/03 New Hut 12 Service D & R HW14 /15 Mins JCC 3rd May 1941 HW14/15
1941/04/03 New Hut 14 Teleprinter Hut HW14 /15 Mins JCC 3rd May 1941 HW14/15
1941/04/03 New Hut 15 to rehouse Hut 4 (A Block) HW14 /15 Mins JCC 3rd May 1941 HW14/15
1941/04/04 memo fm Travis to "C" re Hut 3 HW14 /14 memo from Travis to "C" re Hut 3 HW141941/04/04
1941/04/04 meno agrd with Winterbotham &Hatton Hall HW14 /14 memo from Travis to "C" re Hut 3 HW141941/04/04
1941/04/04 Duties of Hut 3 defined HW14 /14 memo from Travis to "C" re Hut 3 HW141941/04/04
1941/04/04 Cmdr Saunders in charge Hut 3 HW14 /14 memo from Travis to "C" re Hut 3 HW141941/04/04
1941/04/04 Watch: 3 GC&CS,1 AI1(c),1 MI6 HW14 /14 memo from Travis to "C" re Hut 3 HW141941/04/04
1941/04/04 Naval info to Saunders or DO Germ NS HW14 /14 memo from Travis to "C" re Hut 3 HW141941/04/04
1941/04/04 MI8(a),AI1(e) Sectns rpt to Services& Y HW14 /14 memo from Travis to "C" re Hut 3 HW141941/04/04
1941/04/05 CSS: if new Huts built infm Mr Maine com HW14 /14 Mins of 1st JCC mtg Sat 5th April 1941 1941/04/05
1941/04/05 member in his own right as well sectn rp HW14 /14 Mins of 1st JCC mtg Sat 5th April 1941 1941/04/05
1941/04/05 Elmers School: would be rqd so repair it HW14 /14 Mins of 1st JCC mtg Sat 5th April 1941 1941/04/05
1941/04/05 owner of Elmers School, Mr Still HW14 /14 Mins of 1st JCC mtg Sat 5th April 1941 1941/04/05
1941/04/05 agreed Cpt Ridley 500 for 2 hard courts HW14 /14 Mins of 1st JCC mtg Sat 5th April 1941 1941/04/05
1941/04/07 Research Section directing subcte agreed HW14 /14 4th mtng BP Cttee Mon 7th April 1941 H1941/04/07
1941/04/08 1st mtng Research Directing Subcttee HW14 /14 Research Section 1st mtg Directing Subct1941/04/08
1941/04/08 Objectives of Research Sctn listed HW14 /14 Research Section 1st mtg Directing Subct1941/04/08
1941/04/08 Sectns asked to send rpt of unread trfic HW14 /14 Research Section 1st mtg Directing Subct1941/04/08
1941/04/08 Mr Morgan to move from MS to Research HW14 /14 Research Section 1st mtg Directing Subct1941/04/08
1941/04/08 Research to be as near as poss Hut 7 HW14 /14 Research Section 1st mtg Directing Subct1941/04/08
1941/04/08 covering letter to Memo HW14 /14 Memo fm Saunders & Lithgow to Travis re 1941/04/08
1941/04/08 Many more sets and operators required HW14 /14 Memo fm Saunders & Lithgow to Travis re 1941/04/08
1941/04/08 Not enough sets to cover peaks in actvty HW14 /14 Memo fm Saunders & Lithgow to Travis re 1941/04/08
1941/04/08 List of types of Germ WT & no. sets covr HW14 /14 Memo fm Saunders & Lithgow to Travis re 1941/04/08
1941/04/08 Total sets reqd home and abroad 370 HW14 /14 Memo fm Saunders & Lithgow to Travis re 1941/04/08
1941/04/08 Total staff reqd 1425 HW14 /14 Memo fm Saunders & Lithgow to Travis re 1941/04/08
1941/04/08 Shld use service people,only 6 wks train HW14 /14 Memo fm Saunders & Lithgow to Travis re 1941/04/08
1941/04/12 agreed to erect a new dining building HW14 /14 Mins of JCC mtg Sat 12th April 1941 HW11941/04/12
1941/04/12 erection of new teleprinter Hut agreed HW14 /14 Mins of JCC mtg Sat 12th April 1941 HW11941/04/12
1941/04/12 new hut near T/P for staff temp in Hut 9 HW14 /14 Mins of JCC mtg Sat 12th April 1941 HW11941/04/12
1941/04/12 Hut 9 described as Old Hut 3 HW14 /14 Mins of JCC mtg Sat 12th April 1941 HW11941/04/12
1941/04/12 2nd new Hut required for future expansn HW14 /14 Mins of JCC mtg Sat 12th April 1941 HW11941/04/12
1941/04/13 Hoped to start shortly D & R Hut 9 rm 6 HW14 /14 Inter Service Distribution & Registratio1941/04/13
1941/04/21 Italian Haglin to go Research Sectn HW14 /14 5th Mtng BPCttee Mon 21st April 1941 1941/04/21
1941/04/21 de Grey explained Inter Service D&R setn HW14 /14 5th Mtng BPCttee Mon 21st April 1941 1941/04/21
1941/04/28 New Hut 12 Annex to Hut 3 for Serv D&R HW14 /14 Mins JCC mtg Mon 28th April 41 HW14/141941/04/28
1941/04/28 New Hut 14 T/P Hut near Huts 3,6,8,12 HW14 /14 Mins JCC mtg Mon 28th April 41 HW14/141941/04/28
1941/04/28 New Hut 15 parallel to Hut 14 for Hut 4 HW14 /14 Mins JCC mtg Mon 28th April 41 HW14/141941/04/28
1941/04/28 Facilities needed for baths at BP HW14 /14 Mins JCC mtg Mon 28th April 41 HW14/141941/04/28
1941/05 Jack Good joined BP May 1941 Codebreakers Jack Good
1941/05 Head of Hut 8 Alan Turing Codebreakers Jack Good
1941/05 Deputy Head of Hut 8 Hugh Alexander Codebreakers Jack Good
1941/05 Shaun Wylie head of linguistics in Hut 8 Codebreakers Jack Good
1941/05 NS prefix ZIP HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1941/05
1941/05/10 Site suggested for new Dining Hall HW14 /15 Mins JCC 10th May 1941 HW14/15
1941/05/10 Travis asks for concrete paths to Huts HW14 /15 Mins JCC 10th May 1941 HW14/15
1941/05/10 Some temporary moves between Huts HW14 /15 Mins JCC 10th May 1941 HW14/15
1941/05/10 Urgent need to settle layout of TP Hut HW14 /15 Mins JCC 10th May 1941 HW14/15
1941/05/12 JMC abolished. JCC to cover admin HW14 /15 Memo from Travis re Admin of War Station1941/05/12
1941/05/12 Cmdr Bradshaw Chief Staff Offcr GC&CS HW14 /15 Memo from Travis re Admin of War Station1941/05/12
1941/05/12 Mr Budd maintenance in Rm 41 Main Office HW14 /15 Memo from Travis re Admin of War Station1941/05/12
1941/05/12 Saunders: Notes on emending Naval terms HW14 /15 Notes by Saunders for No 1s re Naval ter1941/05/12
1941/05/13 Re Direct TP line Hut 3 to GHQ HW14 /15 Memo Saunders to Denniston 13th May 41 1941/05/13
1941/05/13 Typex links reqd for sending JQ to Cmnds HW14 /15 Memo Saunders to Denniston 13th May 41 1941/05/13
1941/05/24 Site for new Dining Hall approved HW14 /15 Mins JCC 24th May 1941 HW14/15
1941/05/24 Boundary Fence re-aligned HW14 /15 Mins JCC 24th May 1941 HW14/15
1941/05/24 Layout of new roads and Huts approved HW14 /15 Mins JCC 24th May 1941 HW14/15
1941/05/24 No charges for use of tennis courts HW14 /15 Mins JCC 24th May 1941 HW14/15
1941/05/24 Met Section to be enlarged HW14 /15 Mins JCC 24th May 1941 HW14/15
1941/05/24 New Huts to have new numbers HW14 /15 Mins JCC 24th May 1941 HW14/15
1941/05/26 InterService Spec. Int School in Bedford HW14 /15 Memo re new location for ISSIS in Bedfor1941/05/26
1941/05/26 Major A Masters commandant ISSIS HW14 /15 Memo re new location for ISSIS in Bedfor1941/05/26
1941/05/26 How to mark messages going from GC&CS HW14 /15 Distribution from GC&CS memo from Travi1941/05/26
1941/06 Noskwith arrived BP 19 June 1941 Codebreakers Rolf Noskwith
1941/06 Noskwith joined crib room under Shaun Wy Codebreakers Rolf Noskwith
1941/06 MI8 log reading group Edward Crankshaw Hut 6 Story Gordon Welchman
1941/06 Italian Haglin solved W F Clarke Bletchley Park 1941-45 Crypto1941/06
1941/06 German & Italian sectns merged Birch hed W F Clarke Bletchley Park 1941-45 Crypto1941/06
1941/06 Controversy MI8 Col v Welchman HW3/ 92 History of Military Section HW3/92
1941/06 operational int not part of IE HW14 /16 Frank Birch on I E HW14/16
1941/06 Birch did not want Naval Off atchd Hut 3 HW14 /16 Frank Birch on I E HW14/16
1941/06 Denniston suggested direct line Hut 3-4 HW14 /16 Frank Birch on I E HW14/16
1941/06 Subcommittee on relations crypt & W/T I HW14 /16 Review of relations, crypt & W/T I HW141941/06
1941/06 Grp Cpt Blandy AI1(e) AM Chairman HW14 /16 Review of relations, crypt & W/T I HW141941/06
1941/06 Cpt Haines OIC Admiralty HW14 /16 Review of relations, crypt & W/T I HW141941/06
1941/06 Cmdr Travis GC&CS HW14 /16 Review of relations, crypt & W/T I HW141941/06
1941/06 Colonel Nocholls MI8 WO HW14 /16 Review of relations, crypt & W/T I HW141941/06
1941/06 Hut 6 has its own wireless Int section HW14 /16 memo from WGW Hut 6 to Denniston HW14/161941/06
1941/06 Cmdr Ellingworth has W/T I at Chatham HW14 /16 memo from WGW Hut 6 to Denniston HW14/161941/06
1941/06 Cpt Lithgow studying decodes at BP HW14 /16 memo from WGW Hut 6 to Denniston HW14/161941/06
1941/06 Formation of VI IS seen as a danger HW14 /16 memo from WGW Hut 6 to Denniston HW14/161941/06
1941/06 proposal to move Chatham to new stn HW14 /16 memo from WGW Hut 6 to Denniston HW14/161941/06
1941/06 Must defeat Col Butler's policy HW14 /16 memo from WGW Hut 6 to Denniston HW14/161941/06
1941/06 Must resolve between Chatham IS & VI IS HW14 /16 memo from WGW Hut 6 to Denniston HW14/161941/06
1941/06 Butler must be prevented from interferng HW14 /16 memo from WGW Hut 6 to Denniston HW14/161941/06
1941/06 List of Air Int Section under Humphreys HW14 /16 memo re Air Int Section AI(1)c HW14/16
1941/06 report of German code breaking June 41 HW14 /16 German reading UKNaval Codes for over 1 1941/06
1941/06 pgs 715-713 Naval Codes comprimised HW14 /16 German reading UKNaval Codes for over 1 1941/06
1941/06 List of Army Officers with access to H 3 HW14 /16 Army Officers having access to Hut 3 H1941/06
1941/06/06 List of Hut 3 Personnel as at 6/6/41 HW14 /16 List of Hut 3 Personnel 6/6/41 HW14/16
1941/06/07 Mr Birch to take charge of Germ-Ital NS HW14 /16 Amalgamation of German&Italian Naval HW1941/06/07
1941/06/07 Mr Clarke to take over Research Int HW14 /16 Amalgamation of German&Italian Naval HW1941/06/07
1941/06/13 list of heads of departments 13/6/41 HW14 /16 Destruction of secret waste at BP HW14/1941/06/13
1941/06/14 Col Butlers memo on W/TI June 41 HW3/ 92 Hist of Military Intelligence 1926-45 H1941/06/14
1941/06/15 Fusion of Germ&Italian of NS June 1941 HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1941/06/15
1941/06/15 Frank Birch head of fused NS HW3/ 16 War 1939-41 by W F Clarke, Hist Naval Se1941/06/15
1941/06/15 Frank Birch's comments on IE June 41 HW3/ 158 History of Int Exchnge (IE) in GC&CS HW31941/06/15
1941/06/15 We got on very well without it HW3/ 158 History of Int Exchnge (IE) in GC&CS HW31941/06/15
1941/06/15 de Grey's original concept OK, now a mes HW3/ 158 History of Int Exchnge (IE) in GC&CS HW31941/06/15
1941/06/16 List of routes for Int from BP to Minstr HW14 /16 memo by Nigel de Grey re Int org in BP H1941/06/16
1941/06/16 Diverse and disjoint routes for Intelgnc HW14 /16 memo by Nigel de Grey re Int org in BP H1941/06/16
1941/06/16 List of routes for Int from BP to Minstr HW14 /16 Memo by Nigel de Grey re Int org in BP H1941/06/16
1941/06/16 Diverse and disjoint routes for Intelgnc HW14 /16 Memo by Nigel de Grey re Int org in BP H1941/06/16
1941/06/16 Need to pass Int through one route HW14 /16 Memo by Nigel de Grey re Int org in BP H1941/06/16
1941/06/16 Int Offcrs should be together in one bld HW14 /16 Memo by Nigel de Grey re Int org in BP H1941/06/16
1941/06/16 Int Offcrs should be near producing scns HW14 /16 Memo by Nigel de Grey re Int org in BP H1941/06/16
1941/06/16 pattern of Production, Research & Op Int HW14 /16 Memo by Nigel de Grey re Int org in BP H1941/06/16
1941/06/21 New Dining Hall plans done HW14 /16 Mins of JCC Mtg 21st June 41 HW14/16
1941/06/21 New Hut for Naval Section (Block A) HW14 /16 Mins of JCC Mtg 21st June 41 HW14/16
1941/06/21 Military & Research Sectns new Hut nr 7 HW14 /16 Mins of JCC Mtg 21st June 41 HW14/16
1941/06/21 Distribution & Registration new Hut HW14 /16 Mins of JCC Mtg 21st June 41 HW14/16
1941/06/21 Met Section needs more space HW14 /16 Mins of JCC Mtg 21st June 41 HW14/16
1941/06/21 Knox to vacate Cottage HW14 /16 Mins of JCC Mtg 21st June 41 HW14/16
1941/06/21 Road to Hut 11 to be completed HW14 /16 Mins of JCC Mtg 21st June 41 HW14/16
1941/06/21 Offcrs in charge and functions in Hut 3 HW14 /16 Saunders on Org of Hut 3 21/06/41 HW14/1941/06/21
1941/06/23 2nd Mtg Dir. Sub-Cttee Research Sectn HW14 /16 Mtg Directing Sub-Cttee for Research Sec1941/06/23
1941/06/23 G Morgan in charge Research Sectn HW14 /16 Mtg Directing Sub-Cttee for Research Sec1941/06/23
1941/06/23 Sainsbury, Tutte & Mrs Bradshaw Rsch Sec HW14 /16 Mtg Directing Sub-Cttee for Research Sec1941/06/23
1941/06/23 Tiltman reported Haglin broken HW14 /16 Mtg Directing Sub-Cttee for Research Sec1941/06/23
1941/06/23 Central Int Section in Hut 3, undecided HW14 /16 Mtng BPCttee 23rd June 1941 HW14/16
1941/06/23 Hut 3 was passing Int direct to Admlty HW14 /16 Mtng BPCttee 23rd June 1941 HW14/16
1941/06/23 OIC accepted this and it works HW14 /16 Mtng BPCttee 23rd June 1941 HW14/16
1941/06/23 Information Exchange discussed at length HW14 /16 Mtng BPCttee 23rd June 1941 HW14/16
1941/06/23 Agreed that D & R should continue HW14 /16 Mtng BPCttee 23rd June 1941 HW14/16
1941/06/231 Service Officers in Hut 3 HW14 /16 Saunders to Denniston 23/06/41 HW14/16
1941/07 Menzies "Brains Trust" at FO Christopher Andrew Secret Service
1941/07 VI Int School all at Beaumanor July 1941 HW3/ 92 History of Military Section HW3/92
1941/07 SLP remained at BP HW3/ 92 History of Military Section HW3/92
1941/07 Central Party at Beaumanor more efficiet HW3/ 92 History of Military Section HW3/92
1941/07 Interservice Sub-committee to invst W/TI HW3/ 92 History of Military Section HW3/92
1941/07 Col Butler's memo on W/T I July 1941 HW3/ 92 History of Military Section HW3/92
1941/07 6 IS moved to Beaumanor HW3/ 92 Hist of Military Intelligence 1926-45 H1941/07
1941/07 SLP now on estab of 6 IS stayed at BP HW3/ 92 Hist of Military Intelligence 1926-45 H1941/07
1941/07 Y Subctte: Crypt & W/T I not seperate HW3/ 92 Hist of Military Intelligence 1926-45 H1941/07
1941/07 Y Subctte: Crypt & W/T I interrelated HW3/ 92 Hist of Military Intelligence 1926-45 H1941/07
1941/07/02 Y sub cttee appointed to sort out TA,Int HW3/ 92 Hist of Military Intelligence 1926-45 H1941/07/02
1941/07/04 Welchman asks for more staff & space H 6 HW14 /17 Welchman to Travis more staff and space 1941/07/04
1941/07/04 Possible two storey bldgs to give mor sp HW14 /17 Accomodation at BP HW14/17
1941/07/05 Dining rm and new Naval Bldg needed asap HW14 /17 Mins of JCC mtg Sat 5th July 1941 HW141941/07/05
1941/07/05 New bldg for Military sectn in planning HW14 /17 Mins of JCC mtg Sat 5th July 1941 HW141941/07/05
1941/07/05 New road layout by Hut 3 & Hut 7 HW14 /17 Mins of JCC mtg Sat 5th July 1941 HW141941/07/05
1941/07/05 Garages behind Mansion HW14 /17 Mins of JCC mtg Sat 5th July 1941 HW141941/07/05
1941/07/05 Lounge (outer dining rm) to be snack bar HW14 /17 Mins of JCC mtg Sat 5th July 1941 HW141941/07/05
1941/07/14 Agreed to try Information Exchange HW14 /17 Mtng BP Committee Monday 14th July 1941 1941/07/14
1941/07/14 new cipher breaks reported to Research HW14 /17 Mtng BP Committee Monday 14th July 1941 1941/07/14
1941/07/14 AGD orders for Information Excng Sectn HW14 /17 Orders for Information Exchange Sectn H1941/07/14
1941/07/14 List of top staff at GC&CS HW14 /17 Orders for Information Exchange Sectn H1941/07/14
1941/07/14 New breaks to be reported to Research HW14 /17 Research Section Records AGD memo HW14/1941/07/14
1941/07/14 Lt Dudley-Smith,Research, in rm 8 Hut 8 HW14 /17 Research Section Records AGD memo HW14/1941/07/14
1941/07/16 Denniston wants Elmers sections back BP HW14 /17 Denniston to Menzies 16/07/41 HW14/17
1941/07/19 New Dining Hall final details agreed HW14 /17 Mins JCC mtg Sat 19th July 1941 HW14/11941/07/19
1941/07/19 New Office building design agreed HW14 /17 Mins JCC mtg Sat 19th July 1941 HW14/11941/07/19
1941/07/19 Travis requested a new Bombe Hut HW14 /17 Mins JCC mtg Sat 19th July 1941 HW14/11941/07/19
1941/07/19 Road needed urgently to Hut 11 HW14 /17 pg 3 of JCC mins no 15 19/7/41 HW14/11941/07/19
1941/08 Another reorg of AI put on functional bs Harry Hinsley Vol 1
1941/08 Italian C38 broken by Hut 8 summer 1941 Codebreakers Edward Thomas
1941/08 German & Italian decodes under Eytan W F Clarke Bletchley Park 1941-45 Crypto1941/08
1941/08/02 growth in staff:82 in Jul; 134 in 2 mnth HW14 /18 Last pg JCC mins 2/8/41 no 18 HW14/18
1941/08/02 Strong Rooms in cellers at BP after Reg HW14 /18 Last pg JCC mins 2/8/41 no 18 HW14/18
1941/08/02 Registry to move in about 5 weeks HW14 /18 Last pg JCC mins 2/8/41 no 18 HW14/18
1941/08/16 Saunders: need space 40ft Nth side Hut 3 HW14 /18 Saunders to Ridley re Extension to Hut 31941/08/16
1941/08/16 Security:document security must be bettr HW14 /18 Paper on security for JCC 16/08/41 no 221941/08/16
1941/08/16 visitors report to watchman in main Hall HW14 /18 Paper on security for JCC 16/08/41 no 221941/08/16
1941/08/16 Security Offcrs given access to all Huts HW14 /18 Paper on security for JCC 16/08/41 no 221941/08/16
1941/08/16 Breaches reptd to Hd GC&CS or CAO forSIS HW14 /18 Paper on security for JCC 16/08/41 no 221941/08/16
1941/08/16 New Dining Hall and Offcs to start Mondy HW14 /18 Mins of JCC Mtg 16th Aug 1941 no 21 HW11941/08/16
1941/08/16 New Bombe Hut designed order to be placd HW14 /18 Mins of JCC Mtg 16th Aug 1941 no 21 HW11941/08/16
1941/08/16 Security was reviewed HW14 /18 Mins of JCC Mtg 16th Aug 1941 no 21 HW11941/08/16
1941/08/16 The 8 Bells stables be aquired furn stor HW14 /18 Mins of JCC Mtg 16th Aug 1941 no 21 HW11941/08/16
1941/08/16 Strong Rooms to be in basement Mil Bldg HW14 /18 Mins of JCC Mtg 16th Aug 1941 no 21 HW11941/08/16
1941/08/21 Reprimand Travis to Saunders re Hut 3 Ex HW14 /18 Reprimand Travis to Saunders re Hut 3 ex1941/08/21
1941/08/24 In hand Garage and Hut11a HW14 /21 Building Policy 24/10/41 HW14/21
1941/08/24 Needed 2 storey bldg to replace Hut 1 HW14 /21 Building Policy 24/10/41 HW14/21
1941/08/24 needed: Annex to Hut 3 HW14 /21 Building Policy 24/10/41 HW14/21
1941/08/24 Needed: New Tel. Exchng by T/P Annex HW14 /21 Building Policy 24/10/41 HW14/21
1941/08/24 Needed: extra Accom for Hut 7 HW14 /21 Building Policy 24/10/41 HW14/21
1941/09 Churchill's visit W F Clarke Bletchley Park 1941-45 Crypto1941/09
1941/09 CP weekly Activity report by October 41 HW3/ 92 History of Military Section HW3/92
1941/09/02 Report by Kenworthy visit Cupar&Brora HW14 /19 report by Kenworthy on visit Cupar&Brora1941/09/02
1941/09/02 Census of Typex gives rm nos in Huts HW14 /19 Census of Typex Machines Sept 41 Hw141941/09/02
1941/09/05 need to order 10 HS sets & undulators HW14 /19 Memo Kenworthy-Travis re HS apparatus H1941/09/05
1941/09/05 Cpt Brown and liaison duties GHQ to GC&C HW14 /19 to Travis re Special Cipher Party for GH1941/09/05
1941/09/12 2 classes problem: try all 17576, Bombe HW14 /19 Welchman-Travis re Hut 6 problems HW14/1941/09/12
1941/09/12 problems when only few tried, hand methd HW14 /19 Welchman-Travis re Hut 6 problems HW14/1941/09/12
1941/09/12 for weak menus: dottery on hand Enigmas HW14 /19 Welchman-Travis re Hut 6 problems HW14/1941/09/12
1941/09/12 8 Bombes at the moment of which 1 Jumbo HW14 /19 Welchman-Travis re Hut 6 problems HW14/1941/09/12
1941/09/12 Need more Jumbos HW14 /19 Welchman-Travis re Hut 6 problems HW14/1941/09/12
1941/09/12 Mammoth: only 1 bank, instant machinegun HW14 /19 Welchman-Travis re Hut 6 problems HW14/1941/09/12
1941/09/12 Baby Jumbo: Jumbo with only 1 bank HW14 /19 Welchman-Travis re Hut 6 problems HW14/1941/09/12
1941/09/12 Quagger: to run tapes and do counts HW14 /19 Welchman-Travis re Hut 6 problems HW14/1941/09/12
1941/09/12 Need more Banbury punches and strng papr HW14 /19 Welchman-Travis re Hut 6 problems HW14/1941/09/12
1941/09/13 Dining Hall building proceeding slowly HW14 /19 Mins JCC mtg Sat 13th Sept 1941 no 26 H1941/09/13
1941/09/13 Ventilation: louvres in doors Hut 6,8 HW14 /19 Mins JCC mtg Sat 13th Sept 1941 no 26 H1941/09/13
1941/09/13 Vent axia fans to be fitted in rooms HW14 /19 Mins JCC mtg Sat 13th Sept 1941 no 26 H1941/09/13
1941/09/13 Furniture Store in stables of 8 Bells HW14 /19 Mins JCC mtg Sat 13th Sept 1941 no 26 H1941/09/13
1941/09/13 New building required for Hut 7 HW14 /19 Mins JCC mtg Sat 13th Sept 1941 no 26 H1941/09/13
1941/09/13 Poor condition of Elmers School,Faulkner HW14 /19 Mins JCC mtg Sat 13th Sept 1941 no 26 H1941/09/13
1941/09/13 Travis: could Hut 1 be rebuilt,extra H6 HW14 /19 Mins JCC mtg Sat 13th Sept 1941 no 26 H1941/09/13
1941/09/17 Raw material to go to Traffic Office HW14 /19 Middle East Traffic: Hut 6/Traffic Off 1941/09/17
1941/09/17 Typex decoding not done stored to mnthen HW14 /19 Middle East Traffic: Hut 6/Traffic Off 1941/09/17
1941/09/17 Hut 6 to lend staff for Typex decoding HW14 /19 Middle East Traffic: Hut 6/Traffic Off 1941/09/17
1941/09/17 Hut 14 to take over this gradually HW14 /19 Middle East Traffic: Hut 6/Traffic Off 1941/09/17
1941/09/17 Raw material to go to Traffic Office HW14 /19 Middle East Traffic: Hut 6/Traffic Off 1941/09/17
1941/09/17 Typex decoding not done stored to mnthen HW14 /19 Middle East Traffic: Hut 6/Traffic Off 1941/09/17
1941/09/17 Hut 6 to lend staff for Typex decoding HW14 /19 Middle East Traffic: Hut 6/Traffic Off 1941/09/17
1941/09/17 Hut 14 to take over this gradually HW14 /19 Middle East Traffic: Hut 6/Traffic Off 1941/09/17
1941/09/17 Mr White in charge Traffic Office HW14 /19 Middle East Traffic: Hut 6/Traffic Off 1941/09/17
1941/09/17 Cooper? comments on dev of Met Crypt HW14 /19 Development of Met decyphering Service 1941/09/17
1941/09/18 Denniston back from Washington HW14 /19 Letter Denniston to Friedman re US visit1941/09/18
1941/09/20 Allocation of sets: Hut 6, Colman HW14 /19 Suggested Org for E traffic WGW HW14/191941/09/20
1941/09/20 Lithgow can request special cover HW14 /19 Suggested Org for E traffic WGW HW14/191941/09/20
1941/09/20 Lithgow looks after DF HW14 /19 Suggested Org for E traffic WGW HW14/191941/09/20
1941/09/20 Hut 6 can go to Lithgow for info HW14 /19 Suggested Org for E traffic WGW HW14/191941/09/20
1941/09/20 Reasons for set alloc must remain in BP HW14 /19 Suggested Org for E traffic WGW HW14/191941/09/20
1941/10 Col Butler left MI8 to go to Min of Supl HW3/ 92 Hist of Military Intelligence 1926-45 H1941/10
1941/10 Col F W Nicholls appointed MI8 Colonel HW3/ 92 Hist of Military Intelligence 1926-45 H1941/10
1941/10/02 Naval E:Home,Foreign(B),U-Boats,E Baltic HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/02 Naval E:Med A(4-ltr),Med b(5-ltr),Practc HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/02 Each 3 Divs:STAB,OFFIZIER,ALLGEMEIN HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/02 Foreign(B) diff in all respects:not solv HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/02 B Umkerwalz in use HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/02 Naval E: Middle wheel extra jump? HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/02 Naval E: OFFIZIER start ltr gives trigrm HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/02 Naval E: E bar indicator diff prior enci HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/02 Naval E: CHI = transposition HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/02 Naval E: Z bar practice E in Baltic HW14 /20 note on Naval Enigma traffic HW14/21941/10/02
1941/10/06 Saunders appology for Fleming visit HW14 /20 Saunders-Denniston re Fleming visit HW11941/10/06
1941/10/08 Denniston:priority Elmers & Wavendon,BP HW14 /20 Comments by Denniston on JCC 4th Oct 41 1941/10/08
1941/10/08 Denniston:Mansion Dining rm to be Offics HW14 /20 Comments by Denniston on JCC 4th Oct 41 1941/10/08
1941/10/08 Denniston:Hut 9&Hut 2 be recreation area HW14 /20 Comments by Denniston on JCC 4th Oct 41 1941/10/08
1941/10/09 NID10 to take responblty cypher security HW14 /20 Transfer of responsibilities within NID 1941/10/09
1941/10/09 ADIC(Cpt Haines) responsbl WT secty DNI HW14 /20 Transfer of responsibilities within NID 1941/10/09
1941/10/09 Cherwell offering solution of Met prblms HW14 /20 Cherwell-Medhurst re decoding Met messag1941/10/09
1941/10/10 Covering letter Winterbotham-DennistonH3 HW14 /20 Winterbotham-Denniston re changes in Hut1941/10/10
1941/10/10 Winterbotham:Emenders part of Int not GC HW14 /20 Winterbotham-Denniston re changes in Hut1941/10/10
1941/10/10 Denniston notes: no reason for this HW14 /20 Winterbotham-Denniston re changes in Hut1941/10/10
1941/10/11 "C" comments on Denniston on JCC 4/10/41 HW14 /20 "C" to Denniston re recreation facilitie1941/10/11
1941/10/11 "C" against offices in Mansion Dining rm HW14 /20 "C" to Denniston re recreation facilitie1941/10/11
1941/10/14 Public diningrms in Mansion; recreation HW14 /20 Mins of JCC mtg Sat 4th Oct 1941 no 31 1941/10/14
1941/10/14 New Bombe H reqs remodlng of H 10,11htng HW14 /20 Mins of JCC mtg Sat 4th Oct 1941 no 31 1941/10/14
1941/10/14 Decode of Ital messg giving whole US OB HW14 /20 Decode of American OB sent by Ital-Pekin1941/10/14
1941/10/23 MI8(a) get Int by study of Enemy W/T HW3/ 92 Hist of Military Intelligence 1926-45 H1941/10/23
1941/10/23 MI8(b) Training of spec Int, Mil Y org HW3/ 92 Hist of Military Intelligence 1926-45 H1941/10/23
1941/10/23 MI8(c) Implementing Y policy & liaison HW3/ 92 Hist of Military Intelligence 1926-45 H1941/10/23
1941/10/24 Majors Pritchard & Alexander "extras" HW14 /21 3rd Mtg Research Sectn Directing Subctte1941/10/24
1941/10/24 Cpt Morgan said accomodation OK rm expnd HW14 /21 3rd Mtg Research Sectn Directing Subctte1941/10/24
1941/10/24 Work on Haglin Machine nearly finnished HW14 /21 3rd Mtg Research Sectn Directing Subctte1941/10/24
1941/10/24 Col Tiltman working on Hellschreiber HW14 /21 3rd Mtg Research Sectn Directing Subctte1941/10/24
1941/10/24 No progress on Hellschreiber so far HW14 /21 3rd Mtg Research Sectn Directing Subctte1941/10/24
1941/11 Welchman, Cooper, Colman advocated move HW3/ 92 History of Military Section HW3/92
1941/11/01 Security agreed for Elmers School HW14 /22 Mins of JCC mtg Sat 1st Nov 1941 HW14/1941/11/01
1941/11/01 Hut 7 layout of new building agreed HW14 /22 Mins of JCC mtg Sat 1st Nov 1941 HW14/1941/11/01
1941/11/01 Higher priority needed for building prog HW14 /22 Mins of JCC mtg Sat 1st Nov 1941 HW14/1941/11/01
1941/11/02 John Colman:difficulties Beaumanor-Hut 6 HW14 /22 Memo fm John Colman-Denniston re Beauman1941/11/02
1941/11/02 6IS Beaumanor is ref library for Hut 6 HW14 /22 Memo fm John Colman-Denniston re Beauman1941/11/02
1941/11/02 Beaumanor too far away for easy referenc HW14 /22 Memo fm John Colman-Denniston re Beauman1941/11/02
1941/11/11 Denniston tellin Knox to stay with resrc HW14 /22 Denniston to Dilly Knox HW14/22
1941/11/16 ?Denniston-"C"? re Stratchey's actions HW14 /8 ?Denniston to "C"? re Strachey's action1941/11/16
1941/12 WO MI Directorate basic org right Patrick Beesly Very Special Intelligenc1941/12
1941/12 GAF callsign book captured Dec 41 HW3/ 92 History of Military Section HW3/92
1941/12/06 Concer at slowness of building prog HW14 /24 Mins of JCC mtg Sat 6th December 1941 1941/12/06
1941/12/06 sites being looked at fornew Hut 3.6 & 8 HW14 /24 Mins of JCC mtg Sat 6th December 1941 1941/12/06
1941/12/06 better ventilation rqd in Hut 7 and 11 HW14 /24 Mins of JCC mtg Sat 6th December 1941 1941/12/06
1941/12/06 Bow window for Mr Birch HW14 /24 Mins of JCC mtg Sat 6th December 1941 1941/12/06
1941/12/06 when Block A finisd, dinig rm to be Club HW14 /24 Mins of JCC mtg Sat 6th December 1941 1941/12/06
1941/12/08 Temp extn to Hut 3 accpted if new bldg HW14 /24 Saunders to Travis re building HW14/24
1941/12/08 Need new extn to Hut 3 now HW14 /24 Saunders to Travis re building HW14/24
1941/12/23 Denniston asking if US want to tackle E HW3/ 33 Denniston to Washigton re Enigma HW3/331941/12/23
1941/12/24 Direct TP line Hut 3 to No 80 Wing HW14 /9 Winterbotham to Denniston re comms to AM1941/12/24
1941/12/24 TP line Hut 3-Broadway tailed to AM HW14 /9 Winterbotham to Denniston re comms to AM1941/12/24
1941? Nigel de Grey died in Picadilly P W Filby Bletchley & Berkeley St Int&Na1941?
1941? Barbara Abernethy moved to Hut 9 Interview with Barbara Eachus(Abernethy)1941?
1942 organization of Hut 3 R.V.Jones
1942 Move to Berkeley St by Denniston P.W.Filby Floradora paper
1942 GC&CS renamed GCHQ after Denniston left Christopher Andrew Secret Service
1942 Naval Officers join Hut 3 as 3N 1942 Codebreakers Edward Thomas
1942 3N and Hut 4 Italian Watch joined Codebreakers Edward Thomas
1942 Millward in AI1c AI party working wthSIS Codebreakers William Millward
1942 Eric Jones head of Hut 3 Codebreakers William Millward
1942 supported by F L Lucas and Bill Marchant Codebreakers William Millward
1942 plans for new brick building for 3 & 6 Hut 6 Story Gordon Welchman
1942 Central Party radio Int plus Hut 6 Hut 6 Story Gordon Welchman
1942 Ernst Fetterlein at Berkeley St P W Filby Bletchley & Berkeley St Int&Na1942
1942 Berkeley St exchanging sigs Arlington P W Filby Bletchley & Berkeley St Int&Na1942
1942 P W Filby to Washington wth W Freidman P W Filby Bletchley & Berkeley St Int&Na1942
1942 Naval section moved to large new block W F Clarke Bletchley Park 1941-45 Crypto1942
1942 Naval section nearly 1,000 W F Clarke Bletchley Park 1941-45 Crypto1942
1942 Hut 1 definitely same size Brick part 42 Interview with Bob Watson 12/11/98
1942 Extra Hut alongside 11a was WRNS rest rm Interview with Bob Watson 12/11/98
1942 Charters for 4 and 6 IS as in 1942 HW3/ 92 Hist of Military Intelligence 1926-45 H1942
1942/01 Gordon Welchman in Hut 6 R.V.Jones
1942/01 Denniston plus 70 moved to Berkeley St P W Filby Bletchley & Berkeley St Int&Na1942/01
1942/01 Expansion of Y HW3/ 92 Hist of Military Intelligence 1926-45 H1942/01
1942/01/03 problems with labour for building HW14 /26 Mins of JCC mtg Sat 3rd Jan 1942 HW14/1942/01/03
1942/01/03 Hut 6 and Hut 7 accom problems acute HW14 /26 Mins of JCC mtg Sat 3rd Jan 1942 HW14/1942/01/03
1942/01/03 Staff increasing at about 20 per week HW14 /26 Mins of JCC mtg Sat 3rd Jan 1942 HW14/1942/01/03
1942/01/03 shortge Offices & Billets must be sorted HW14 /26 Mins of JCC mtg Sat 3rd Jan 1942 HW14/1942/01/03
1942/01/04 Hut 3 should be under one command HW14 /26 Commemnts by MI14 on Future of Hut 3 HW1942/01/04
1942/01/04 I officrs shld hve good knwledge GermArm HW14 /26 Commemnts by MI14 on Future of Hut 3 HW1942/01/04
1942/03 Diplomatic Sctn under Denniston to Londn W F Clarke Bletchley Park 1941-45 Crypto1942/03
1942/05 CP of VI IS moved to GC&CS May 42 HW3/ 92 History of Military Section HW3/92
1942/05 Central Party of 6 IS moved to BP HW3/ 92 Hist of Military Intelligence 1926-45 H1942/05
1942/05 Central Party in Hut adjacent to SLP HW3/ 92 Hist of Military Intelligence 1926-45 H1942/05
1942/09 Org chart for MI8 Sept 1942 HW3/ 92 Hist of Military Intelligence 1926-45 H1942/09
1942/09 Leatham & Pryce-Jones Hut 3/MI8 liaison HW3/ 92 Hist of Military Intelligence 1926-45 H1942/09
1942/09 Leatham & Pryce-Jones on staff of MI8 HW3/ 92 Hist of Military Intelligence 1926-45 H1942/09
1942/09 Col Sayer's paper on Intcp,W/T I,Crypt HW3/ 92 Hist of Military Intelligence 1926-45 H1942/09
1942/12 Central Party became part of Hut 6 HW3/ 92 History of Military Section HW3/92
1943 Cmdr Bradshaw in room 50 1943 Mrs Marjorie Pitney Letter 22 oct 98
1943 administered wages for Pioneer Corps Mrs Marjorie Pitney Letter 22 oct 98
1943 Ernst Fetterlein died 1943? P W Filby Bletchley & Berkeley St Int&Na1943
1943- Staff stats at GC&CS Patrick Beesly Very Special Intelligenc1943-
1943/02/27 Dilly Knox died 27th February 1943 Codebreakers Peter Twinn
1943/04 MI17 established.subsection dist of SIGN Patrick Beesly Very Special Intelligenc1943/04
1943/04 With "C" and Denniston at Berkeley St Codebreakers Telford Taylor
1943/05 DDMI(Y) controlled MI8, Sig4 rep Y cttee Patrick Beesly Very Special Intelligenc1943/05
1943/07 Army Y considered fusing 4IS and 6IS HW3/ 92 Hist of Military Intelligence 1926-45 H1943/07
1943/07 Travis paper on Signals Intelligence HW3/ 92 Hist of Military Intelligence 1926-45 H1943/07
1943/08 Hut 6move to new building with Hut 3 & 8 Hut 6 Story Gordon Welchman
1943/08 Y Committee considers fusion IV & VI IS HW3/ 92 History of Military Section HW3/92
1943/11 Welchman made AD(Mech) Hut 6 Story Gordon Welchman
1943/11 Welchman to work with Pat Bayly Hut 6 Story Gordon Welchman
1943/11 Col Crankshaw in charge CP & SLP HW3/ 92 Hist of Military Intelligence 1926-45 H1943/11
1943/12 Col Crankshaw in charge CP and SLP HW3/ 92 History of Military Section HW3/92
1943/12 CP and SLP moved to G Block end 1943 HW3/ 92 History of Military Section HW3/92
1943/12 Sayer's & Lycett's papers on WTI circltd HW3/ 92 History of Military Section HW3/92
1943/12 Travis suggest "Signals Int" (SIGINT) HW3/ 92 History of Military Section HW3/92
1943/12 The "who", "where", "what" of SIGINT HW3/ 92 History of Military Section HW3/92
1943/12 Military Wing GC&CS 1,908 people HW3/ 92 History of Military Section HW3/92
1943/12 CP & SLP moved to Block G HW3/ 92 Hist of Military Intelligence 1926-45 H1943/12
1943/12 final memo on SIGINT HW3/ 92 Hist of Military Intelligence 1926-45 H1943/12
1943/12 SIGINT: Who? Where? What? Travis,Dec 43 HW3/ 92 Hist of Military Intelligence 1926-45 H1943/12
1943/12 TA, crypt and Int all closely interwoven HW3/ 92 Hist of Military Intelligence 1926-45 H1943/12
1944 Chart of Org Directorate of MI 1944 Patrick Beesly Very Special Intelligenc1944
1944 ISK staff rose to over 100 Codebreakers Peter Twinn
1944 Deputy head of 3A Codebreakers William Millward
1944 Head of 3A Jim Rose Codebreakers William Millward
1944 Calvocoressi head of 3A Codebreakers William Millward
1944 3M (Military) headed by Terry Leatham Codebreakers William Millward
1944 Alan Pryce-Jones deputy head 3M Codebreakers William Millward
1944 moved to Hut 9 as pay and admin Mrs Marjorie Pitney Letter 22 oct 98
1944 need for coop TA, Crypt, Intercept HW3/ 92 History of Military Section HW3/92
1944 Central wing of H Block was wooden Interview with Bob Watson 12/11/98
1944/01 Org under DD(Y), MI8 all Mil Y HW3/ 92 Hist of Military Intelligence 1926-45 H1944/01
1944/02 VI IS renamned SIXTA Feb 1944 inc intoMS HW3/ 92 History of Military Section HW3/92
1944/02 6 IS renamed SIXTA HW3/ 92 Hist of Military Intelligence 1926-45 H1944/02
1944/02 agreed no security barriers TA, Int,Cryp HW3/ 92 Hist of Military Intelligence 1926-45 H1944/02
1944/07/01 Org chart for MI8 July 44 says SIGINT HW3/ 92 Hist of Military Intelligence 1926-45 H1944/07/01
1945 BP > 10,000 at end of war Patrick Beesly Very Special Intelligenc1945
1945/01 Kennedy moved to Broadway under Cowgill M D Kennedy Diarys John Ferris Int&Nat 1945/01
1945/06 Visit by Chfs of Staff Brooke Cunningham M D Kennedy Diarys John Ferris Int&Nat 1945/06
1945/06 Hist of Air Section GC&CS written 1945 HW3/ 33 Josh Cooper's Hist of Air Section GC&CS 1945/06
1946 SIS, reflected glory from BP Christopher Andrew Secret Service
1946 Sir Stewart Menzies chief until 1951 Christopher Andrew Secret Service
1947 Chart of Directorate of Mil Int Patrick Beesly Very Special Intelligenc1947
1961 Alistair Denniston died 1961 P W Filby Bletchley & Berkeley St Int&Na1961
1984 Tiltman died 1984 P.W.Filby Floradora paper
1984 Tiltman died 1984 P W Filby Bletchley & Berkeley St Int&Na1984
1984 Tiltman died in Honolulu aged 84 P W Filby Bletchley & Berkeley St Int&Na1984
1985/10 Gordon Welchman died Oct 1985 aged 79 P S Milner-Barry Memorium for Gordon Wel1985/10





This page was originally created by the late Tony Sale
the original curator of the Bletchley Park Museum