Antique radios, Old Time Radios
2721
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Country:
United States of America (USA)
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| Identical to |
2721
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
--/-- |
| Description |
Details of this tube are not known but it is understood to be a B battery eliminator type.
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| Information source |
-- Collector info (Sammler)
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Just Qvigstad
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Collection of
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