Antique radios, Old Time Radios
PT235
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Country:
Great Britain (UK)
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| Identical to |
PT235
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| First year |
Sep.1928
- - Manufacturers Literature leaflet
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| First Source
(s) |
1938 : History of the British Radio Valve to 1940 p. 185
Oct.1928 : - - Manufacturers Literature Date of Marconi Publication No. 520A.
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.2 Ampere / Direct / Specified voltage AC/DC |
| Description |
Manufacturer's announcing data gives the filament current as 0.35A rather than the Codex figure of 0.2A
Ra = 55k ohms at Va = 150. G=90
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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Just Qvigstad
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