Thirty secret years: A. G. Denniston's work in signals intelligence 1914-1944 / by Robin Denniston
€25 · Offered by MW Books
2007, 1st Edition. Clifton-upon-Teme, Worcestershire: Polperro Heritage. Very good paperback copy; edges slightly dust-dulled and nicked. Remains particularly well-preserved overall.Provenance: signed. Physical description: 172 pages: ill., facsims,plan, ports; 24 cm. Subjects: Denniston, A. G. (Alastair G.) 1881- 1961. Cryptographers Scotland; Biography. Secret service Officials and employees Great Britain; Biography. World.....
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