The Paper Enigma by Thomas Parker WilliamsMy Paper Enigma, based on the rotor concept used by the German Enigma Machine, is a working cipher generating machine capable of producing cipher text and converting cipher text back to plain text or understandable language. It contains three paper rotors, Red, Blue and Yellow, each with ninety divisions. Since this machine is manually operated the rotors are set by hand. Three sets of ninety ciphers each, NUMERIC, ALPHA NUMERIC and ALPHA ALPHA are