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1B59

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ID = 31775
       
Country:
Worldwide
Brand: Common type Worldwide tube/semicond.
Developer:  
Tube type:  Radiation Generators general   Text 
Identical to 1B59 = R1130B
First Source (s)
11.Mar.1946 : Electron Tube Registration List 477

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament --/--
Description

Crater-type glow modulator; 5 to 35mA, 75mA pk. 5 to 15000Hz modulating frequency.
Operating Voltage <150 ; Luminous intensity >0.3 candela, 110 candela/square inch.

Used in early facsimile equipment, about 1940.

Sylvania and English Electric Valves (EEV) are known manufacturers.

 
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   


Just Qvigstad
1b59.png
1B59: Manufacturer's Literature
Emilio Ciardiello

Collection of

 
1b59001.jpg

1B59
 

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