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ES1_Ediswan

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ID = 28553
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Triode, vacuum   Universal 
Identical to ES1_Ediswan = R_England
First year 1916 ?? Saga of the Vacuumtube, Tyne page 218

Filament Vf 4 Volts / If 0.7 Ampere / Direct / Battery =
Description Ediswan version of the "R" 
Tube prices 1 Tube prices (visible for members only)
 
gb_ediswan_es1_front_view.jpg
ES1_Ediswan: Ediswan ES1 Sold by Ebay Seller:kkksepix Ebay Item:112338110844 on 27 Mar 2017
Lindsay Shepherd

 
es1_ediswan_so.png
ES1_Ediswan: rtt
Michael Schlör

 

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