Heath Robinson was a machine used by British codebreakers at Bletchley Park during World War II to solve messages in the German teleprinter cipher used by the Lorenz SZ40/42 cipher machine; the cipher and machine were called "Tunny" by the codebreakers, who named different German teleprinter ciphers after fish. It was the predecessor to the electronic Colossus computer. It was dubbed "Heath Robinson" by the Wrens who operated it, after cartoonist William Heath Robinson, who drew immensely complicated mechanical devices for simple tasks. Read more
The National Museum of Computing has finished restoring a Tunny machine - a key part of Allied code-cracking during World War II. Tunny machines helped to unscramble Allied interceptions of the encrypted orders Hitler sent to his generals. Read more