What is this?

Chuck Guzis cclist at sydex.com
Fri May 10 16:16:25 CDT 2019


Found a bit more detail on WALNUT:

https://nvlpubs.nist.gov/nistpubs/Legacy/TN/nbstechnicalnote157.pdf

See page 86.   Includes some B&W photos, including one of the unit that
you show.

Was WALNUT ever used outside of the CIA?

--Chuck


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