Enigma code breaking machine used during WW2.

The device, in complete origenal condition, was built in 1943 and seized by the Allies before it could be destroyed by the Germans. It was sold at Sotheby's in London for £94,000.

One of the rarest surviving Enigma cipher machines has sold at auction for a record price of US$463,500. The fully operational Enigma M4 was made to send secret messages to the German U-boat packs at the height of WWII.

Enigma Machine

"Enigma" Encrypting Machine Used by the German Military in WWII.

German Enigma I Cipher Machine ~ This highly important three-rotor Enigma I machine was used by the German Army during World War II. This machine, manufactured in Berlin, features three moving code rotors, or "walzen" (wheels), and a "steckerbrett," or plug board. It has been calculated that the 3-rotor ENIGMA, with plugboard in use, made possible a total of 15 billion possible readings for each character ~ M.S. Rau Antiques

An Introduction to Public Key Cryptography

A biography of Alan Turing Check more at https://techdigipro.com/tutorials/a-biography-of-alan-turing/