Antique radios, Old Time Radios
S4022B
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Country:
Sweden
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| Identical to |
S4022B
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| Similar
Tubes |
Other base:
S4022AR
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Telephony |
| Filament |
Vf 4 Volts / If 0.25 Ampere / Direct / Battery = |
| Information source |
Babani, International Radio Tube Encyclopaedia
- - Manufacturers Literature Sept 1950
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S4022B: Fin Stewart
Fin Stewart
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Just Qvigstad
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