Antique radios, Old Time Radios
PT240
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Country:
Great Britain (UK)
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| Identical to |
PT240
= PT240_B4
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| Similar
Tubes |
Other base and data slightly different:
KT24
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| First Source
(s) |
1929 : Saga of the Vacuum Tube, Tyne p.386
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| Base |
Europe 4-Pin B4 + side contact (Codex=Foo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.4 Ampere / Direct / Battery = |
| Description |
Codex falsch erfasst!
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| Information source |
The Saga of Marconi Osram Valve p. 148 & 330
History of the British Radio Valve to 1940 P. 148 & 185
Taschenbuch zum Röhren-Codex 1948/49
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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PT240: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe
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Just Qvigstad
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PT240: MARCONI VALVES MANUAL
Jose Casas-Avalos
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
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