Within weeks of arriving at Bletchley Park, Turing had specified an electromechanical machine called the bombe, which could break Enigma more effectively than the Polish bomba kryptologiczna, from which its name was derived.
La câteva săptămâni după ce a ajuns la Bletchley Park, Turing specificase deja o mașină electromecanică ce ar fi putut sparge codurile mașinii Enigma mai eficient ca bomba kryptologiczna⁠(en) poloneză, de la care își trage numele.