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3S21

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ID = 49378
       
Country:
Sweden
Brand: Standard Radiofabrik A.B.; Ulvsunda
Developer: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 3S21 = Da

Base EU-Telephone 5-pin (G5K)
Was used by Telephony
Filament Vf 5.8 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC
Description

Manufacturer: ABSR A.B. Standard Radiofabrik Ulvsunda Sweden

 
Text in other languages (may differ)
Information source Babani, International Radio Tube Encyclopaedia   Page 6
- - Manufacturers Literature   Sept 1950

aa~~1.png 3S21: Fin Stewart
Fin Stewart


Just Qvigstad
3s21_reduitdoc.png
3S21: Babani 1949-1951
Patrice Zeissloff

Collection of

Collection of a member from D
 
se_3s21.jpg

3S21
 

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