Radio Antica e Radio d'epoca
FER3_4Volt
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Stato:
Gran Bretagna (Regno Unito)
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| Identico a |
FER3_4Volt
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| Valvole
simili |
Heater different:
FER3_6Volt
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| Zoccolo |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Utilizzata per |
Radio/TV-reception etc. |
| Filamento |
Vf 4 Volt / If 0.1 Ampere / Direct / Battery = |
| Descrizione |
Louden valves were marketed by Fellows Magneto Co. Ltd. from 1924 to 1927. Some Louden designations used were F1 and F2 for bright emitters; FER1, FER2 are the corresponding dull emitter tubes having thoriated filaments.
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| Bibliografia |
Wireless World (The), London (WW, 79) 13 April 1927
History of the British Radio Valve to 1940 p. 147
British Radio Valves - The Classic Years: 1926-1946
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FER3_4Volt: Fin Stewart
Fin Stewart
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Just Qvigstad
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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