Four-rotor Enigma cypher machine, 1939-45.

Made:
1939-1945 in Germany

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4-Rotor Enigma with remote lampboard. S/n 765. A four-rotor German Enigma cypher machine with a second operator display
Science Museum Group Collection
© The Board of Trustees of the Science Museum

4-Rotor Enigma with remote lampboard. S/n 765. A four-rotor German Enigma cypher machine with a second operator display
Science Museum Group Collection
© The Board of Trustees of the Science Museum

4-Rotor Enigma with remote lampboard. S/n 765. A four-rotor German Enigma cypher machine with a second operator display
Science Museum Group Collection
© The Board of Trustees of the Science Museum

4-Rotor Enigma with remote lampboard. S/n 765. A four-rotor German Enigma cypher machine with a second operator display
Science Museum Group Collection
© The Board of Trustees of the Science Museum

4-Rotor Enigma with remote lampboard. S/n 765. A four-rotor German Enigma cypher machine with a second operator display
Science Museum Group Collection
© The Board of Trustees of the Science Museum

4-Rotor Enigma with remote lampboard. S/n 765. A four-rotor German Enigma cypher machine with a second operator display
Science Museum Group Collection
© The Board of Trustees of the Science Museum

4-Rotor Enigma with remote lampboard. S/n 765. A four-rotor German Enigma cypher machine with a second operator display
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

4-Rotor Enigma with remote lampboard. S/n 765

A four-rotor Enigma cypher machine with a second operator display ('remote lampboard') (S/n 765). This is a variant of the Enigma K cipher machine developed in Germany in 1927. This type of machine, known as a Swiss-K, was supplied to the Swiss government in 1939-40 for use by the Swiss Army and Air Force. Although having four rotors, the fourth is the reflector, so it is not a true four-rotor machine.

Details

Category:
Computing & Data Processing
Measurements:
Overall closed: 154 mm x 382 mm x 300 mm, 12.56 kg
Overall open: 420 mm x 382 mm x 390 mm, 12.56 kg
Identifier:
1995-318
type:
cypher machines
credit:
Paul,J.D.

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