Catalogue description Report on speech secrecy system DELILAH, a technical description compiled by A M Turing...

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Details of HW 25/36
Reference: HW 25/36
Description:

Report on speech secrecy system DELILAH, a technical description compiled by A M Turing and Lieutenant D Bayley REME

Note: With photographs. Date estimated
Date: 1945 Jan 01 - 1946 Dec 31
Held by: The National Archives, Kew
Legal status: Public Record(s)
Closure status: Open Document, Open Description
Access conditions: Retained Until 2009
Record opening date: 18 June 2009

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