There were two post-war Enigma-ish machines also on display, one from the Swiss, and one from the Soviets. The Swiss NEMA cipher machine was first produced in 1947 and used through the cold war.

There is the Enigma machine with an exploded view of a rotor ... The Guardian‘s destroyed Edward Snowden laptop. Also on display are laptop parts from an episode in which technicians from ...

The Enigma machine, first patented in 1919, was after various improvements adopted by the German Navy in 1926, the Army in 1928, and the Air Force in 1935. It was also used by the Abwehr ...

This four-wheel Enigma machine was used by the German forces during the second world war to send coded messages. Many machines of this type were used on the U-Boat submarines sent out to disrupt ...

For decades what these men and women did at "B.P.," and how they managed to break the Germans' seemingly impregnable Enigma encoding machine, was classified. Now, through works such as Station X ...

(SSPL/Getty Images) Peter Westcombe, founder of the Bletchley Park Trust, explains in detail how the Enigma machine works and how its codes were broken by the code-breakers at Bletchley Park.

This is an Enigma 1 machine. It was used by the German army and air force to send secret coded messages between head quarters and units in the field. Skilful work by Polish intelligence officers ...

This four-wheel Enigma machine was used by the German forces during the second world war to send coded messages. Many machines of this type were used on the U-Boat submarines sent out to disrupt ...