Video: The Petard Pinch

The Petard Pinch exhibition at Bletchley Park tells the incredible story of the capture of crucial Enigma codebook

The Petard Pinch exhibition at Bletchley Park tells the incredible story of the capture of crucial Enigma codebooks which enabled Codebreakers to break back into the German naval Enigma network, saving countless lives. This video contains two versions; subtitled first followed by a British Sign Language version at 4:20.