Antique radios, Old Time Radios
U209D
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Country:
Germany
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| Identical to |
U209D
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| Similar
Tubes |
Normally replaceable-slightly different:
D210_Triotron
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| First Source
(s) |
Jul.1928 : Funk Bastler 1928, Heft 34
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eu)
Sidecontact.
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| Filament |
Vf 1.7 Volts / If 0.08 Ampere / Direct / Battery = |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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U209D: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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Just Qvigstad
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U209D: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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