Antique radios, Old Time Radios
DE50
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Country:
Great Britain (UK)
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| Identical to |
DE50
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 6 Volts / If 0.9 Ampere / Direct / Battery = |
| Description |
Dull emitter type, 5.5 Volt low consumption for 6 V battery.
Story of Cosmos valves see here
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| Information source |
70 Years of Radiotubes and V. p.196
History of the British Radio Valve to 1940 p.161
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DE50: Fin Stewart
Fin Stewart
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Just Qvigstad
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