Antique radios, Old Time Radios
Ultra-Micro
Country:
Czechoslovakia
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Identical to |
Ultra-Micro
= Ultra-Mikro
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First Source
(s) |
15.Mar.1927 : Funk Bastler #13
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Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 3.5 Volts / If 0.4 Ampere / Direct / Battery = |
Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature Katalog 1926
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Ultra-Micro: Fin Stewart
Fin Stewart
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Just Qvigstad
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Ultra-Micro: Funk-Bastler 1927, Heft 14
Hartmut Völler
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