Focus on
Olga Gray and the Woolwich Arsenal Spy Ring
In 1938, thanks to years of work by a remarkable female agent, MI5 ensured a package of British defence plans stayed secret.
Piece
BP Bombes, traffic analysis and ENIGMA exploitation: accompanying notes to graphs...
Catalogue reference: HW 3/164
What’s it about?
This record is about the BP Bombes, traffic analysis and ENIGMA exploitation: accompanying notes to graphs... dating from 1941-1945 in the series Government Code and Cypher School and predecessors: Personal Papers, Unofficial Histories,.... It is held at The National Archives, Kew.
Is it available online?
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Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
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HW 3/164
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Date (When the record was created)
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1941-1945
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Description (What the record is about)
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BP Bombes, traffic analysis and ENIGMA exploitation: accompanying notes to graphs illustrating Bombe output and ENIGMA exploitation Sept-Nov 1941, graphs missing; appreciation of ENIGMA situation, June-Dec 1942; work of Central Analysis Party, Hut 6, Jan1943; history of Sqn Ldr Jones' section, the Bombe Hut, 1940-1945
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Held by (Who holds the record)
- The National Archives, Kew
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Legal status (A note as to whether the record being described is a Public Record or not)
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Public Record(s)
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
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Open Document, Open Description
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Subjects (Categories and themes found in our collection (our subject list is under development, and some records may have no subjects or fewer than expected))
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C2228272/
How to order it
- View this record page in our current catalogue
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Series information
HW 3
Government Code and Cypher School and predecessors: Personal Papers, Unofficial Histories,...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
195 records
Within the series: HW 3
Government Code and Cypher School and predecessors: Personal Papers, Unofficial Histories,...
You are currently looking at the piece: HW 3/164
BP Bombes, traffic analysis and ENIGMA exploitation: accompanying notes to graphs...
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