SG-41 cypher machine


The SG-41 was the last cypher machine that Germany made during World War II. It was supposed to replace Enigma, and used a pinwheel instead of rotors.

It’s lucky for us that the SG-41 didn’t replace the Enigma in the end: the codebreakers at Bletchley never cracked it.

Technical Details

  • Camera: iPhone 6 Plus
  • Taken: Mon 2 May 2016
  • Focal length: 4mm
  • Aperture: f/2
  • Exposure: 1/8 second
  • ISO: 160

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