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RRR134

Information - Help 
ID = 20603
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to RRR134
First year 1927 Saga of the Vacuumtube, Tyne page 427
First Source (s)
Mar.1929 : Funk Bastler 1929, Heft 9

Base Europe 3-Pin (B3, H)
Filament Vf 3 Volts / If 1 Ampere / Direct
Literature Bastelbriefe der Drahtlosen   1927/H.10
  rrr134145156schematic.png
  RRR134
Peter den Boer
 
rrr134radiorecord.jpg
RRR134: own collection
John Koster

 
rrr134_sock.png
RRR134: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
rrr134data.png
RRR134: own collection
Peter den Boer



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