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Typex
Typex was based on the commercial Enigma machine, but incorporated a number of additional features to improve the security. This model, a Typex 22, wa
Typex was based on the commercial Enigma machine, but incorporated a number of additional features to improve the security. This model, a Typex 22, was a late variant, incorporating two plugboards.
The Typex 23, pictured, was similar to the Mark 22, but modified for use with the Combined Cypher Machine (CCM).
The Typex 23, pictured, was similar to the Mark 22, but modified for use with the Combined Cypher Machine (CCM).
Typex Mk III was a portable version powered by a handle.
Typex Mk III was a portable version powered by a handle.
Military Model Enigma I, in use from 1930
Military Model Enigma I, in use from 1930
A memorial in Bydgoszcz, Poland, to Marian Rejewski, the mathematician who, in 1932, first broke Enigma and, in July 1939, helped educate the French a
A memorial in Bydgoszcz, Poland, to Marian Rejewski, the mathematician who, in 1932, first broke Enigma and, in July 1939, helped educate the French and British about Polish methods of Enigma decryption
Enigma in use, 1943
Enigma in use, 1943
Enigma rotor assembly. In the Enigma I, three movable rotors are sandwiched between two fixed wheels: the entry wheel, on the right, and the reflector
Enigma rotor assembly. In the Enigma I, three movable rotors are sandwiched between two fixed wheels: the entry wheel, on the right, and the reflector on the left.