Radio Antica e Radio d'epoca
R4C_E12
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Stato:
Gran Bretagna (Regno Unito)
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| Identico a |
R4C_E12
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| Valvole
simili |
Altra base:
R4C
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| Zoccolo |
Edison (candelabra) 12 mm
2 Top contacts.
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| Utilizzata per |
Militaire et/ou Services Publics |
| Filamento |
Vf 3.3 Volt / If 0.65 Ampere / Direct |
| Descrizione |
Developed by Osram in conjunction with the British Navy, at the Hirst Research Centre of GEC. The anode and grid connections were made with wire leads from the top of the bulb.Tube also available with B4 base.
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| Bibliografia |
Saga of the Vacuum Tube, Tyne p. 220
- - Manufacturers Literature Exhibition of MOV tubes January 1920
-- Collector info (Sammler)
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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