Bemærk: Kan ikke leveres før jul.
This work illustrates some of the steps by which information from intercepted messages in the supposedly unbreakable German Enigma cipher was developed, while providing a candid glimpse of the workings of British intelligence.
Bemærk: Kan leveres før jul.
Ralph Bennett, a Cambridge historian, was drafted into Bletchley Park in 1940 to work in Hut 3 where secret German army and navy signals... Læs mere