Antique radios, Old Time Radios
CV1639
| Filament |
Vf 4.5 Volts / If 1 Ampere / Direct |
| Description |
BC4 Telephony base.
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| Information source |
-- Original-techn. papers.
Babani, International Radio Tube Encyclopaedia
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CV1639: Fin Stewart
Fin Stewart
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