Antique radios, Old Time Radios
PM25
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Country:
Great Britain (UK)
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| Identical to |
PM25
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| Similar
Tubes |
Normally replaceable-slightly different:
B543
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eoo)
Sidecontact.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 5 Volts / If 0.1 Ampere / Direct / Specified current DC = (Series working) |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature Mullard 1935
History of the British Radio Valve to 1940
Babani, International Radio Tube Encyclopaedia
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PM25: W.H.
Wolfgang Holtmann
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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):4
Collection of
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