Engineering Heritage Award The Bombe Bletchley Park Completed in 2007 using the original blueprints. An electromechanical device designed by A Turing, G Welchman and H Keen, used in cracking the German Enigma code during the Second World War. The 200 Bombes built by the British Tabulating Machine Company played a pivotal role in winning the war.

Photo of The Bombe, Alan Turing, Gordon Welchman, and Harold Keen red and black plaque
Elliott Brown on Flickr
Photo of The Bombe, Alan Turing, Gordon Welchman, and Harold Keen red and black plaque
Elliott Brown on Flickr
Photo of The Bombe, Alan Turing, Gordon Welchman, and Harold Keen red and black plaque
Elliott Brown on Flickr