Antique radios, Old Time Radios
G412
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Country:
Hungary
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| Identical to |
G412
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| Similar
Tubes |
Normally replaceable-slightly different:
4L14
; B409
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| First Source
(s) |
Apr.1930 : -- Original-techn. papers. ÖRA Folge 4
|
| 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 4 Volts / If 0.15 Ampere / Direct / Battery = |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 104, p. 138
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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G412: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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G412: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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Collection of
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