US Department of State’s Bureau of Diplomatic Security Countermeasures Directorate has recently launched a new public exhibition on cold-war era eavesdropping gadgets entitled, “Listening In: Electronic Eavesdropping in the Cold War Era.” Scientific American posted a slide show (“Spying on the spies”) of the exhibition and much of the text written about the devices, from old-school keyloggers to phone tap detectors. The permanent exhibit is located in the lobby of a State Department building in Rosslyn, Va.
Perhaps one of our DC readers can help us out and confirm the location. According to the State Department’s list of field offices, there are 2 buildings in Rosslyn within a few blocks of each other: 1400 Wilson Boulevard and 1801 North Lynn Street.
MASON A3B RECEIVER: U.S. State Department engineers working for the Bureau of Diplomatic Security needed a receiver in order to find devices subversively transmitting signals to the enemy. The best kind of receiver was one that could be moved from room to room without looking like a radio, and the Mason A3 more than fit the bill.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.