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Olga Gray and the Woolwich Arsenal Spy Ring
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Catalogue reference: HW 9/48
This record is about the Cryptographic Security: TELEKRYPTON cypher machine and tape. dating from 1954 Mar-1954 June in the series Government Communications Headquarters: Communications-Electronic Security Group,.... It is held at The National Archives, Kew.
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Cryptographic Security: TELEKRYPTON cypher machine and tape.
HW 9
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Cryptographic Security: TELEKRYPTON cypher machine and tape.
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