[Milsurplus] Navy "Cryptologic Collection Equipment" on line

[Nick England]

Another scan posted - NAVEDTRA 10251 "Cryptologic Collection
Equipment" is a 1977 manual covering various receivers, signal
analysis gear, etc. used by the Naval Security Groups. Covers overview
and operation of equipment rather than technical details.
http://www.navy-radio.com/manuals/crypto-equip.htm

cheers,
Nick
www.navy-radio.com