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A40_Ediswan

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ID = 82672
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Relay in glass (not Relay Triode)   Power-supply 
Identical to A40_Ediswan
Similar Tubes
Differences not known by us:
  DLS10

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Industrial
Filament Vf 4 Volts / If 1.5 Ampere / Direct / Specified voltage AC/DC
Description

This tube is a thermal relay, similar in style to the Ediswan DLS10.

 
Information source -- Collector info (Sammler)   


Just Qvigstad
 
ediswan_a40_thermal_switch_e920.jpg

 

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