Antique radios, Old Time Radios
PT41
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Country:
Great Britain (UK)
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| Identical to |
PT41
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| Similar
Tubes |
Normally replaceable-slightly different:
4PenM
; PM24M
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| First year |
Aug.1932
- - Data from my own collection
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Direct / Specified voltage AC/DC |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 130 & 131
History of the British Radio Valve to 1940 p.145 & 187
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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PT41: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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PT41: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9
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