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R1131C

Information - Help 
ID = 34011
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Radiation Generators general 
Identical to R1131C

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Technology / Measurement
Filament No heater
Description

Crater-glow type modulator, used for facsimile equipment. 5 to 35mA, 150V max. 15 to 15000Hz modulation frequency.

 
Information source - - Manufacturers Literature   
 
r1131c_a2.jpg
R1131C: Private collection
Emilio Ciardiello

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r113031_1.png
R1131C: Manufacturer's Literature
Emilio Ciardiello


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