The KG-13 Electronic Key Generator,
Transmitter/Receiver was similar in appearance to the KG-14. This solid
state design dating from the mid-to-late 1960's, originally cost $US
40,000 per copy. It was one of the first crypto machines to encrypt data
such as facsimile. Crypto technicians received 10 to 12 weeks training
on the machine. The KG-13 was comprised of a KG-3 transmitter and
a KG-12 receiver.
A KG-13 unit. One drawer bears the designation
KGD-3/TSEC. The total weight is around 250 pounds. (Photo by
Bill Rhoads)
