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![]() Date: 2013-06-12 16:26:10Bletchley Park Enigma machine Bombe Reflector NEMA Peter Twinn Alan Turing Colossus computer Stuart Milner-Barry Cryptography Espionage Rotor machines | Source URL: home.comcast.netDownload Document from Source WebsiteFile Size: 60,84 KBShare Document on Facebook |