Enigma Cipher Machine , Bletchley Park

This page links to web sites with information about various WWII cipher - decipher machines and simulation software
Dr Alan Turin. Enigma treatise written while working as cryptanalyst at Bletchley Park .
The Purple Machine
Bletchley Park ( station X )
Build a modern day version of the Enigma Machine .
Tony Sale - Detailed working of Enigma	Colossus shift register & ring drivers schematic diagram
Tommy Flowers MBE , tribute to long forgotten Colossus computer designer after WWII ended. The Worlds first electronic (valve) programmable digital computer designer. More about Tommy Flowers
Colossus — The Worlds First Electronic Computer — Rebuild at Bletchley Park
Enigma software simulators .