Antique radios, Old Time Radios
VT30_GPO
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Country:
Netherlands
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| Identical to |
VT30_GPO
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| Similar
Tubes |
Differences not known by us:
VT30
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| Was used by |
Telephony |
| Filament |
Direct |
| Description |
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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| Information source |
British Radio Valves - The Vintage Years: 1904-1925 Pages 84 and 134
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