Antique radios, Old Time Radios
R3B
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Country:
Great Britain (UK)
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| Identical to |
R3B
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| Was used by |
Military and/or Government |
| Filament |
Direct |
| Description |
This tube has been located and is shown as made for the Bitish Air Ministry. It is not listed in any references, As it has the type nmber R3B, it may be a later version of rhe R3 (aka Q) which was made before 1920.
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| Information source |
-- Collector info (Sammler)
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