After the war he joined British intelligence and served in Berlin, where he came across the typewriter. There is a 'secret' key - pressing the numeral 3 key with the shift key down, the Nazi SS ...

A 100 euros typewriter has sold for 45,000 euros (£40,000; $51,500) at auction, after it was discovered it was actually a German Wehrmacht Enigma I. The World War Two cipher machine was bought at ...