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 radiorÝr (1946)



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2004.07.20