Radios antiguas y Radios de Colección
VT30_GPO
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País:
Holanda
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| Idéntica a |
VT30_GPO
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| Válvulas similares |
Differences not known by us:
VT30
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| Usada en |
Telefonìa |
| Filamento |
Direct |
| Descripción |
Tube made in Holland by Philips for use by the British Post Office in radio applications. According to Keith Throwers' book, only 52 tubes were made. No other information available.
Likely it was similar to the VT30
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| Literatura |
British Radio Valves - The Vintage Years: 1904-1925 Pages 84 and 134
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| Cumplimiento de datos |
Más información |
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