Antique radios, Old Time Radios
OeconomW4
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Country:
Germany
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| Identical to |
OeconomW4
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| First Source
(s) |
15.Mar.1927 : Funk Bastler #13
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| Filament |
Vf 3.8 Volts / If 0.05 Ampere |
| Description |
Die Röhre wird auch als Ökonom W4 bezeichnet.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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OeconomW4: Funk-Bastler 1927, Heft 14
Hartmut Völler
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