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I1304

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ID = 30342
       
Country:
Netherlands
Brand: Thermion; Netherlands
Developer: Thermion; Netherlands 
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to I1304
Similar Tubes
Other shape (e.g. bulb type):
  E428 ; REN904
Production stop Feb.1938
Successor Tubes 5-428  

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description HF amplification, detector and LF amplification, resister coupling. This is a Thermiode, a glass tube in a shielding of nickel-iron alloy to prevent electric or magnetic interference. 
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 100
- - Manufacturers Literature   1933

i163i253i94vi503base_3~~3.png I1304
Peter den Boer


Just Qvigstad
i1304data.png
I1304: own collection
Peter den Boer

 

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