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W/4

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ID = 23165
       
Country:
Germany
Brand: Hova-Röhren GmbH; Deutschland
Tube type:  Triode, vacuum 
Identical to W/4
First Source (s)
15.Mar.1927 : Funk Bastler #9

Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =

hovaw4.png
W/4: Funk-Bastler 1927, Heft 14
Hartmut Völler

 

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