Antique radios, Old Time Radios
A-21
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Country:
United States of America (USA)
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| Identical to |
A-21
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| Base |
Jumbo 4-pin bayonet (1918)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Direct |
| Information source |
-- Collector info (Sammler)
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Just Qvigstad
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You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
| Data Compliance |
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