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CO

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ID = 15621
       
Country:
Germany
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
Tube type:  Triode, vacuum   Power/Output 
Identical to CO
First Source (s)
1927 : Saga of the Vacuum Tube, Tyne p.436
Successor Tubes Da  

Base EU-Telephone 5-pin (G5K)
Was used by Telephony
Filament Vf 4.2 Volts / If 1.1 Ampere / Direct / Battery =
Description

Wie die OCK, aber 1 W Ausgangsleistung.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
roehre_co_bild_1.jpg
CO: Eigenes Bild
Anonymous 971 Collector

 
co.gif
CO: AH eigene Sammlung
Alexander Hofer

 

from Just Qvigstad

Collection of a member from D
Collection of a member from D

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