A history-making relic, this 1938-built Enigma encrypted messages for the German Army. The D-reflector is the exciting detail that sets this particular cipher machine apart from other Enigmas.

Joseph Robson, a specialist at Bonhams, said: "The Enigma D reflector (Umkehrwalze D) in the Enigma machine is of particular importance. It is a field re-wirable reflector introduced by the ...

The mechanism that transformed plain text into lit-up cipher text was defined by a complex system of letter rotors, reflectors and plug boards. One Enigma machine typically came with a set of ...

The Enigma machine was one of the first mechanized methods of encrypting text using an iterative cipher. It employed a series of rotors that, with some electricity, a light bulb, and a reflector ...