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229D

Information - Hilfe 
ID = 35221
       
Land:
USA
Marke: Western Electric Company Inc.; New York (NY)
Entwickler: Western Electric Company Inc.; New York (NY) 
Typ:  Triode (Hoch-) Vakuum 
Identisch mit 229D
Sockel USA-UV-4-Stift-Sockel+Bayonet, ab 1914
Heizung Uf 3 Volt / If 0.06 Ampere / Direkt / Batterieheizung =
Beschreibung Receiving triode, T8 bulb on UV base. Mu = 8.5, Gm 0.38 to 0.56mS. Grid and filament spring supported by glass bead from top of plate. Developed for Northern Electric as improved UV-199. 
Literatur Tube Lore (I)   
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Just Qvigstad
 
[rmxtube-ge, noindex]
  
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