Antique radios, Old Time Radios

B414
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| Tube type: |
Triode, vacuum |
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| Identical to |
B414
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
Vf 4 Volts / If 0.15 Ampere / Direct |
| Description |
Hersteller: Thorn Electrical Industries Ltd., London (Triotron - not Brand of Schrack)
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| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 104
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B414: rtt
Anonymous 10 Collector
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Just Qvigstad
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