Reflex klystron type KS9-40D
Reflex Klystron, Raytheon type 723A/B - VTK
Experimental X-Band Two-Cavity High Power Klystron
Sperry Type 917 Reflex Klystron
Two-cavity reflex Klystron
9 PKI Two-Cavity S-Band Klystron, c.1944
Reflex klystron type YK 1046
CV35 reflex klystron, British, World War II
1939-1945
Klystron, Type CV 67
K-band reflex Klystron
1945-1950