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U1230

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ID = 3288
       
Country:
Germany
Brand: Osram GmbH KG; Berlin
Tube type:  Current Regulator, Urdox without FeH 
Identical to U1230

Base Swan-Bajonett B22=22 mm (Codex=Bajonett 10 mm)
Filament
Description Diese Röhre gab es mit Swan Sockel von Osram (B22s) und mit Europasockel 4-Stift von Philips. 
Information source Taschenbuch zum Röhren-Codex 1948/49   

sockel_bajonett.png U1230: g.h.
Gerhard Heigl


Just Qvigstad
u1230_spec.png
U1230: Osram, Liste #60, 1937
Anonymous 15 Collector

Usage in Models 1= 1937? ; 1= 1937 ; 1= 1943 ; 1= 1947?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of

 
u1230_osram_1.jpg

 

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