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HS

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ID = 48863
       
Country:
Netherlands
Brand: Heussen, M. & Co; Arnhem
Developer: Heussen, M. & Co; Arnhem 
Tube type:  Triode, vacuum   Detector 
  <1925 very rare. ***
Identical to HS = Spaarlamp_Hercules
First Source (s)
1924 : -- Original-techn. papers. 1924
Production stop Aug.1924
Predecessor Tubes H_Splendid   H_Heussen  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3.8 Volts / If 0.1 Ampere / Direct / Battery =
Description

The HS looks like the H (gaseus triode, hell glowing)but has a miniwatt filament and a high vacuum.

 

b4direct_51.png HS
Peter den Boer


Just Qvigstad

Collection of

 
advspaarlampsmall.jpg

 

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