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R115

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ID = 18238
       
Country:
Netherlands
Brand: Marathon (tubes), Radio-Marathon, N.V. Rave; Amsterdam, Eindhoven
Tube type:  Current Regulator, Iron in Hydrogen 
  Ca. 1925 up to 1945 rare.
Identical to R115
Similar Tubes
Normally replaceable-slightly different:
  329

Base Europe 3-Pin B3 (Eu H) (Codex=Eb)
Filament If 1.15 Ampere / Specified current AC/DC ~ = (Series working)
Description

I quer 1 System/A = 1.15 Umax V = 30

 
Information source - - Manufacturers Literature   1935
Ballast Tube Handbook, The   

r115_sock.png R115: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
r115data.png
R115: own collection
Peter den Boer

 

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