Antique radios, Old Time Radios
HF3127
| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 159
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HF3127
Emilio Ciardiello
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Just Qvigstad
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HF3127: Werk für Fernmeldewesen Schöneweide
Egon Strampe
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