Bayonet base W.E.211A. Max.power 85 Watts, 6MHz; thoriated tungsten filament.
Manufactured by Amperex, GE, STC, WE. Also listed in Tube Lore II, p. 236
Taschenbuch zum Röhren-Codex 1948/49 W.E.Greybar catalog 1933
- - Manufacturers Literature
Tube Lore (I)
Babani, International Radio Tube Encyclopaedia
242A: nach Western Electric 1933
Robert Schmalstieg
Mas ...