Prague: Passport Control Office; Possible Breaking of British Ciphers

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20.500.12592/89zvqv

Prague: Passport Control Office; Possible Breaking of British Ciphers

1 Apr 1939

A file of correspondence to and from the Prague passport control office discussing the possible breaking of British cyphers. Documents in this file include a letter reporting that the French secret services believe one of the British codes to have been broken; another stating that it may have been the Czechs who broke it, and subsequently passed the information to the Germans; and a letter discussing oversight and manning of the office.
codes second world war signals intelligence diplomatic missions foreign office gladwyn jebb diplomatic signals permanent under-secretary's department code-breaking cyphers
Collection ID
FO1093
Conflict
Second World War
Document Reference
FO 1093/89/2
Document Types
Correspondence
File Reference
FO 1093/89
Identifier
10.1080/swwf.fo1093.0089.002
Keywords
Codes Cyphers Diplomatic Signals Diplomatic Missions
Languages
English
Organizations
Foreign Office Permanent Under-Secretary's Department
Pages
11
Persons Discussed
Gladwyn Jebb
Published in
United Kingdom
Themes
Signals Intelligence Code-breaking

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