The National Museum of Computing (TNMOC) is going to fire up its replica Enigma code-breaker to decrypt encoded messages sent from Poland – with an original wartime Bombe operator supervising the process.

The British museum's Bombe replica, recently moved into the original Block H building that housed the wartime Bombes, is a fully functional reproduction of the machines that broke Nazi Germany's Enigma ciphers during the Second World War.