Antique radios, Old Time Radios
QVA-39
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Country:
Great Britain (UK)
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| Identical to |
QVA-39
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| Base |
Wires only.
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| Filament |
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| Description |
Bismuth-caesium phototube, sensitivity similar to that of human eye. Quartz envelope.
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| Information source |
-- Original prospect or advert Electronics, July 1951
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of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
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