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ID = 34019
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Radiation Generators general   Text 
Identical to R1130B = 1B59

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament No heater

Crater-type glow modulator. Blue-violet spot. Used in facsimile equipment to write on the sensitive paper.

  • 5 to 35mA, 75mA pk.
  • 5 to 15000Hz modulating frequency.
Information source - - Manufacturers Literature   
R1130B: RR
Reinhard Riek

More ...
R1130B: Manufacturer's Literature
Emilio Ciardiello

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