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G407_USA

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ID = 39887
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 very rare. ***
Identical to G407_USA
Similar Tubes
Other base:
  G407

Filament Vf 4 Volts / Direct / Battery =
Description Das System ist schräg eingebaut und kastenförmig. Siehe auch die G407 mit B4-Sockel (Europa). Oben beschriftet mit "Tungsram Barium Tube" 4V 130V. 
Dimensions (WHD)
incl. pins / tip
47 x 94 x 47 mm / 1.85 x 3.70 x 1.85 inch
Weight 42 g / 1.48 oz
Literature - - -   
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g407_usa.jpg
G407_USA: Radiomuseum Luzern
Ernst Erb

 


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