Antique radios, Old Time Radios
509
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Country:
Netherlands
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| Identical to |
509
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| First Source
(s) |
Sep.1931 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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| Filament |
Vf 2 Volts / If 4 Ampere / Direct |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature R627Du 15-11-1930
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509: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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Just Qvigstad
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509: own collection
Peter den Boer
More ...
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Collection of
Collection of a member from D |
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