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U_Ortho

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ID = 820
       
 
   
Tube type:  Triode, vacuum 
Identical to U_Ortho
First Source (s)
15.Mar.1927 : Funk Bastler #13

Was used by Radio/TV-reception etc.
Filament Vf 1.8 Volts / If 0.25 Ampere / Direct / Battery =
Description

Hersteller = Ortho

 

orthou_kennli1.png
U_Ortho: Funk-Bastler 1927, Heft 13
Hartmut Völler

 

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