Catching a Fish!

by Tony Sale

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Tony Sale's
Codes and Ciphers

    The Lorenz Cipher Machine and the Code Breakers

Lorenz and the Testery

Introducing the Lorenz cipher machine, how Bletchley Park broke it and the start of the Testery

The Newmanry

The proposal for high-speed machine codebreaking methods, leading to the Newmanry and Heath Robinson.


Colossus find out all about this amazing electronic code breaker.

Virtual Colossus

Run Virtual Colossus


The other machines and the results from breaking Lorenz

This page was originally created by the late Tony Sale
the original curator of the Bletchley Park Museum