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VT-142

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ID = 17865
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  TRANSMITTING TUBE (general) 
Identical to VT-142 = WE39DY1
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets

Filament
Description Experimental 200MHz pulse oscillator for early radar applications. Never in production. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
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