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Catalogue description records incl some corresp and research papers rel to data security and ciphers, work at...
This record is held by Imperial College Archives and Corporate Records Unit
| Reference: | B/Davies |
|---|---|
| Description: | records incl some corresp and research papers rel to data security and ciphers, work at National Physical Laboratory and interest in the history of cryptography |
| Date: | 1936-2004 |
| Held by: | Imperial College Archives and Corporate Records Unit, not available at The National Archives |
| Other reference: | See Annual Return 2008; NCUACS catalogue 143/8/05 |
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