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301

Information - Help 
ID = 18032
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Ballast Tube (neither FeH or Urdox) 
Identical to 301
First year 1930 Tube leaflet collection E.Erb Analysis by original leaflets

Base Edison, size not known
Filament If 0.3 Ampere
Description Manufactured by the General Electric Group Europe.
Voltage range 138-221, for current within 5% of nominal. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
57 x 125 x mm / 2.24 x 4.92 x inch
Literature Taschenbuch zum Röhren-Codex 1948/49   
Ballast Tube Handbook, The   
- - Manufacturers Literature
 
301.jpg
301
Gil Silva

 
barretters~~2.png
301: own collection
Peter den Boer


Usage in Models 1= 1934 ; 3= 1935 ; 4= 1936 ; 2= 1938 ; 2= 1939 ; 1= 1940

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13


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