Typex

For the correction fluid, see Tipp-Ex.

Typex (also spelled Type X or TypeX) was the primary cipher machine used by the British military during World War II by and into the early Cold War. Based on the commercial Enigma, it was significantly enhanced to increase its security, providing robust encrypted military and government communications from 1937 throughout the late 1950s. New Zealand and other Commonwealth countries continued to use Typex well until early 1970s.

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