Antique radios, Old Time Radios
TM_Unknown
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Country:
France
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| Identical to |
TM_Unknown
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 4 Volts / If 2 Ampere / Direct / Battery = |
| Description |
Triode build as a TM / TMB but larger.
Probably a more powerful version from the TM / TMB / E2
The tube box from an item of this tube on Ebay indicated Fotos Grammont
"Triode émision nouveau modèle 20Watts chauffage 4 volts 2 ampères" (20W transmitter triode, Heater 4V 2A).
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Dimensions (WHD)
incl. pins / tip |
60 x 130 x mm / 2.36 x 5.12 x inch |
| Information source |
-- Collector info (Sammler)
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Just Qvigstad
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TM_Unknown: Document original
Christian ADAM
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Collection of
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