The Enigma machine was used by the German military to send messages before the code was famously cracked. A machine used by the Nazis for sending coded messages during World War II will be

sold at an auction here this month. It could fetch thousands of pounds at Christie's Sep 29. The Enigma machine was used by the German military to send messages before the code was

famously cracked, the _Daily Mail _reported. The Germans had believed the code was impossible to break. It was originally produced by a Dutch firm after World War I and paved the way for

modern computer systems.