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
1. Instruction from Cdr A.G. Denniston concerning the decryption and translation...
Catalogue reference: HW 36/5
What’s it about?
This record is about the 1. Instruction from Cdr A.G. Denniston concerning the decryption and translation... dating from 1939 Dec 02-1944 Jan 23 in the series Government Code and Cypher School: Diplomatic Section: Reports of German Diplomatic.... It is held at The National Archives, Kew.
Is it available online?
No, this record is not available online. However, you can order a copy. Other ways to view it.
Can I see it in person?
Yes, this record is held at The National Archives and is available to see in person. How to view it.
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 36/5
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Date (When the record was created)
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1939 Dec 02-1944 Jan 23
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Description (What the record is about)
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1. Instruction from Cdr A.G. Denniston concerning the decryption and translation of the I.R. series (2/2/1943) 2. German language versions of telegrams 29/2/1940-16/3/1943. 3. I.R. reports serial numbers 0051, 0059A and 0913.
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Note (Additional information about the record)
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Although the I.R. series included at least 913 reports, all except 3 are missing at transfer.
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Held by (Who holds the record)
- The National Archives, Kew
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Former department reference (Former identifier given by the originating creator)
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I.R. 0051, 0059A AND 0913,
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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/C10911691/
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- View this record page in our current catalogue
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Series information
HW 36
Government Code and Cypher School: Diplomatic Section: Reports of German Diplomatic...
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)
12 records
Within the series: HW 36
Government Code and Cypher School: Diplomatic Section: Reports of German Diplomatic...
You are currently looking at the piece: HW 36/5
1. Instruction from Cdr A.G. Denniston concerning the decryption and translation...
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