TCA
06AWA
1229
2K39 and 2K43
2M57
5984
6H6
8602
860 and UV812
860 and 861
892R and 857B
AV25
E4T
Gammatron24G
RCA862
RK5609
RK726B
RM201
RS291
Siemens & Halske type OR
Sperry710 and 410
Tune-A-Lite
Tungar
VARIAN 888e
VT127A
VT-31
Vac-O-Bub
WelshPeanut
NL-1001 ignitron
HY-75 Bulletin from 1946