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K4_Thorpe

Information - Help 
ID = 28603
       
 
   
Tube type:  Space Charge Tetrode   Universal 
Identical to K4_Thorpe
First year 1925 Saga of the Vacuumtube, Tyne page 388, 389

Base SPECIAL TUBEBASE in general
Filament Vf 6 Volts / Direct / Battery =
Description Made by Thorpe. For use in Unidyne and Solodyne circuits, operating without H.T.battery. 
Text in other languages (may differ)
 
uk_thorpe_unidyne_k4.jpg
K4_Thorpe: my collection
Alan Scott Douglas † 16.11.15

 
d_k4_sockel.gif
K4_Thorpe: eigene Sammlung
Gerhard Eisenbarth

 


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