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HD3_Hercules

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ID = 49383
       
 
   
Tube type:  Space Charge Tetrode 
  <1925 very rare. ***
Identical to HD3_Hercules = VE
Production stop Dec.1924

Base Europe 4-Pin B4 + side contact
Filament Vf 4 Volts / If 0.5 Ampere / Direct / Battery =
Description

The Hercukes brand was special made by Heussen for the company H.J. van Duijn at Dieren, the Netherlands in 1924.

 
Dimensions (WHD)
incl. pins / tip
32 x 90 x 31 mm / 1.26 x 3.54 x 1.22 inch
Weight 53 g / 1.87 oz


Just Qvigstad

Collection of

 
hd3small.jpg

HD3_Hercules
 

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