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ID = 59314
Brand: Fivre - tubes; Milano (MI)
Tube type:  Transmitting Triode, air cooled 
Identical to 3C70 = W31_Zenith = MT31 = RS31

Base SPECIAL TUBEBASE in general Top contact with a cap.
Was used by Military and/or Government
Filament Vf 10 Volts / If 4.8 Ampere / Direct

FIVRE replacement for RS31.

Pa <70W;

typically Va=1600V, Ia=170mA. Pout=190W class B.

Information source -- Collector info (Sammler)   Collection of Norm Wilson N6JV
3C70: Collection of Norman Wilson, N6JV
Emilio Ciardiello

More ...
3C70: Manufacturer's Literature
Emilio Ciardiello


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