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Olga Gray and the Woolwich Arsenal Spy Ring
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Catalogue reference: HW 61/47
This record is about the Visit to Estonia 1931, W/T [wireless telegraphy] log at Warska 4 August 1931 - 17... dating from 1931 Aug 04 - 1931 Sep 29 in the series Government Code and Cypher School: Records relating to Commonwealth and Allied Signals.... It is held at The National Archives, Kew.
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Visit to Estonia 1931, W/T [wireless telegraphy] log at Warska 4 August 1931 - 17 September 1931 and at Narva 19 September 1931 - 29 September 1931. Log book for set K kept by W G Swanborough of RAF Waddington intercept station, during an initial exploratory visit to Estonian Sigint authorities. The target was Russian communications
HW 61
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Government Code and Cypher School: Records relating to Commonwealth and Allied Signals...
Visit to Estonia 1931, W/T [wireless telegraphy] log at Warska 4 August 1931 - 17...
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