Century-old LEMON used by German spy to send secret messages from Britain in invisible ink during WW1 goes on display
A 110-year-old lemon used by a German WW1 spy to send secret messages from Britain with invisible ink is going on display in ...
What a 110-year-old lemon tells us about espionage history
In 1915, a German spy was executed after he was caught with a lemon in his pocket. A new exhibit in the U.K. shows how he used it for espionage.
Lemon found in German spy's drawer sealed his death sentence
A collection of never-before-seen files, photographs and items from MI5's own archives are going on display for the first ...
MI5 reveals never-before-seen spy secrets in National Archives Exhibition
Exhibits include Guy Burgess’s briefcase, which was left behind as he fled to Moscow, and a 110-year-old lemon used by German ...
Secrets, spy tools and a 110-year-old lemon are on show in an exhibition from Britain's MI5
The lemon, now black and shriveled, helped convict Karl Muller, a German spy in Britain during World War I. It was found by ...
Irish Sun3d
Century-old LEMON used by German spy to send secret messages from Britain in invisible ink during WW1 goes on display
A 110-year-old lemon used by a German WW1 ... He pierced lemons with a pen nib to extract the juice and insert secret writing in innocent-looking letters informing his handlers of troop movements.