MI5 Spy Games: Fatal Lemons and Secret Talcum Powder Tins

Espionage Gadgets and Methods

• 🍋 A lemon was used by German spy Carl Müller in 1915 to write secret messages in invisible ink between the lines of a letter, leading to his capture and execution.
• 🎯 A Yardley talcum powder tin from the Portland spy case concealed espionage equipment, including a micro dot reader and three pieces of film.
• 💡 The tin demonstrates how everyday objects were adapted to hide sensitive spy tools and information.

MI5 Exhibition Highlights

• 🔍 The exhibition, a collaboration between MI5 and the National Archives, explores historical spying methods.
• 🕵️ It features exhibits used by real spies, drawing parallels to fictional characters like James Bond and mentioning the 'Cambridge Five'.