Siemens T52 e secret teleprinter

Siemens & Halske1942

Heinz Nixdorf MuseumsForum

Heinz Nixdorf MuseumsForum
Paderborn, Germany

The T52 e was a World War II German cipher machine and teleprinter.
Due to its size and weight, however, it was only ever used as a stationary device.
Unlike the Enigma, messages were encrypted and deciphered automatically.
On 20 July 1944, the resistance group led by Claus von Stauffenberg used the device to issue encrypted commands for Operation Valkyrie, the plot to assassinate Hitler. Photo: Jan Braun, HNF


  • Title: Siemens T52 e secret teleprinter
  • Creator: Siemens & Halske
  • Date: 1942
  • Location: Berlin

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