Antique radios, Old Time Radios
VMP4K
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Country:
Great Britain (UK)
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| Identical to |
VMP4K
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| First year |
1934
-- Original-techn. papers. 70 Years of Radio Valves
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
In the Rohren-Codex 1950 the heater current is wrongly indicated as 1.1 A instead of 1 A. Also page 148 of "History of the British Radio Valve to 1940 listws the tube as having data in section 41 of the tbe lists. It is not there.
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| Information source |
History of the British Radio Valve to 1940 p. 148
The Saga of Marconi Osram Valve p. 224
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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VMP4K: Fin Stewart
Fin Stewart
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9
Collection of
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