Antique radios, Old Time Radios
U/30
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Country:
Great Britain (UK)
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| Identical to |
U/30
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| Base |
Swan-Bajonett B22=22 mm
Top contact.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Direct |
| Description |
Top contact is a flying lead.
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| Information source |
British Radio Valves - The Vintage Years: 1904-1925 p. 129
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Just Qvigstad
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Collection of
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line up.
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