Enigma machine. Not this one but they have others on display for hands on messaging.
Photo Credit: Yelp
Photo of National Cryptologic Museum
National Cryptologic Museum
8290 Colony Seven Rd, Annapolis Junction, Maryland 20701 USA
8290 Colony Seven Rd, Annapolis Junction, Maryland 20701 USA
Enigma machine. Not this one but they have others on display for hands on messaging.
Photo Credit: Yelp