Antique radios, Old Time Radios
4600-18
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Country:
Netherlands
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| Identical to |
4600-18
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=En)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 2.5 Volts / If 0.4 Ampere / Direct |
| Description |
Probably a triode for keyed communication sets aboard observation airships.
The sample in the photos has 'US' etched on the glass bulb.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
-- Collector info (Sammler)
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4600-18: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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Collection of
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