Antique radios, Old Time Radios
T4
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| Tube type: |
Transmitting Triode, air cooled |
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| Identical to |
T4
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| First year |
1918
Saga of the Vacuum Tube, Tyne page 230
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| Base |
Jumbo 4-pin bayonet (1918)
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| Filament |
Vf 17.5 Volts / If 5.2 Ampere |
| Description |
GEC-Osram design for Navy. 450 Watt at 3-7 kV.
Text in other
languages (may
differ)
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| Information source |
Saga of the Vacuum Tube, Tyne page 228-230
British Radio Valves - The Vintage Years: 1904-1925
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Just Qvigstad
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after clicking the "tubes" tab or by clicking a tube
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of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
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