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
Reports in the series MK/8501 to MK/9000. NOTE: a report with the incorrect serial...
Catalogue reference: HW 20/22
What’s it about?
This record is about the Reports in the series MK/8501 to MK/9000. NOTE: a report with the incorrect serial... dating from 1942 Jul 08-1942 Jul 15 in the series Government Code and Cypher School: Tactical Sigint forwarded to Allied Commands:.... It is held at The National Archives.
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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)
- HW 20/22
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Date (When the record was created)
- 1942 Jul 08-1942 Jul 15
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Description (What the record is about)
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Reports in the series MK/8501 to MK/9000. NOTE: a report with the incorrect serial number MK/4071 was inserted between MK/8900 and MK/8901 on 13 July 1942.
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Held by (Who holds the record)
- The National Archives
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Legal status (A note as to whether the record being described is a Public Record or not)
- 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))
- 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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- Topics
- Intelligence
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C6025099/
Series information
HW 20
Government Code and Cypher School: Tactical Sigint forwarded to Allied Commands:...
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
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
547 records
Within the series: HW 20
Government Code and Cypher School: Tactical Sigint forwarded to Allied Commands:...
You are currently looking at the piece: HW 20/22
Reports in the series MK/8501 to MK/9000. NOTE: a report with the incorrect serial...
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