Thermionic
Valves
(Vacuum tubes)
Ref. ARRL handbook 1939
E81)
RV2P800, RL2P3, RL2T2, LS50, GU50, GI7B,GI7B, RD12Tf
E97. LA6NCA
12V DC/DC converter for battery-operated receivers
Frank Philipse's site for finding old valve data
**** Hallvard Torgersen,
LA2AD: Tyske radiorør (1946)
2004.07.20