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Enigma M4 rotor cipher machine with 4 rotors, Navy version

Olympia Büromaschinenwerke AG (1936 - 1950)1944

Museum for Communication Frankfurt, Museum Foundation Post and Telecommunication

Museum for Communication Frankfurt, Museum Foundation Post and Telecommunication
Frankfurt am Main, Germany

Starting in February 1942, the German Navy was using an improved Enigma machine with 4 rotors instead of 3. It was first cracked by the Allies in December 1942. This decryption led to the victory of the Allies in submarine warfare and it had a decisive influence on the outcome of the Second World War.

Details

  • Title: Enigma M4 rotor cipher machine with 4 rotors, Navy version
  • Creator: Olympia Büromaschinenwerke AG (1936 - 1950)
  • Date Created: 1944
  • Location Created: Erfurt, Thüringen, Deutschland
  • Rights: © Museumsstiftung Post und Telekommunikation
  • Material: Metalle, Kunststoffe, Glas, Holz, Textilien

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