Antique radios, Old Time Radios
300
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Country:
United States of America (USA)
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| Identical to |
300
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| Base |
Jumbo 4-pin bayonet (1918) (Codex=Bz)
Sidecontact and top contact.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 11 Volts / If 4 Ampere / Direct |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 178 & 179
Tube Lore (II) p. 158
Taschenbuch zum Röhren-Codex 1948/49
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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