Tommorow the Institution of Mechanical Engineers will present Bletchley Park with a special Engineering Heritage Award for their Bombe machine. The award is given in recognition of objects/artefacts/locations of significant mechanical engineering importance. This will be the 48th such award given by the IMechE.
The Bombe was an electromechanical device built at Bletchley park that used parallel processing break the Enigma codes by searching through the settings for a given piece of code and plain text. At about 7 feet wide, 6 feet 6 inches the completed device weighs over 1 tonne.
Thanks to Uncle Wilko from the Shed blog for the link.