Go back to article: Zygalski sheets: Polish codebreaking and the role of reconstruction in the Top Secret exhibition at the Science Museum

Figure 3

Image of decryption sheets similar to Zygalski sheets and demonstration of Zygalski sheets

Left: Computer History Museum object number 102652257, image of decryption sheets similar to Zygalski sheets used to decipher Enigma

Right: Demonstration of Zygalski sheets (perforated sheets) at Bletchley Park, photographed by Toby Oxborrow, taken on 11 September 2004