Antique radios, Old Time Radios
O415_Helikon
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Country:
Austria
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| Identical to |
O415_Helikon
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.15 Ampere / Direct |
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O415_Helikon: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
More ...
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Just Qvigstad
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O415_Helikon: Helikon Röhrenbroschüre ca. 1927
Thomas Lebeth
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