Antique radios, Old Time Radios
PTT2S
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Country:
France
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| Identical to |
PTT2S
= R111S
= Bas
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| First Source
(s) |
1928 : Saga of the Vacuum Tube, Tyne p.437
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| Base |
EU-Telephone 5-pin (G5K)
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| Filament |
Vf 3.5 Volts / If 0.5 Ampere / Direct / Battery = |
| Description |
Weitverkehrsröhre (Poströhre)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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PTT2S: rtt
Anonymous 10 Collector
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Just Qvigstad
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PTT2S: Technique de l'ingénieur
Patrice Zeissloff
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