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
An 18-stage binary counter
Catalogue reference: ADM 220/1363
What’s it about?
This record is about the An 18-stage binary counter dating from 1949 in the series Admiralty: Admiralty Surface Weapons Establishment and predecessors: Records. It is held at The National Archives, Kew.
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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)
- ADM 220/1363
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Date (When the record was created)
- 1949
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Description (What the record is about)
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An 18-stage binary counter
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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)
- CX1/49/2
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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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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C3364073/
Series information
ADM 220
Admiralty: Admiralty Surface Weapons Establishment and predecessors: Records
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
2,474,869 records
Within the department: ADM
Records of the Admiralty, Naval Forces, Royal Marines, Coastguard, and related bodies
2,654 records
Within the series: ADM 220
Admiralty: Admiralty Surface Weapons Establishment and predecessors: Records
You are currently looking at the piece: ADM 220/1363
An 18-stage binary counter
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