Antique radios, Old Time Radios
1G
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Country:
United States of America (USA)
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| Identical to |
1G
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| Similar
Tubes |
Different connections:
Oscillion_500W
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| First year |
1920
Saga of the Vacuum Tube, Tyne page 129, 130
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| Predecessor Tubes |
Oscillion_500W
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| Base |
Pin-and-blade jumbo (3 contacts)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Direct |
| Description |
Basis-Type = Oscillion. Later Model of these Oscillions, designated 1G (500W)
Text in other
languages (may
differ)
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| Information source |
Saga of the Vacuum Tube, Tyne page 129, 130
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Just Qvigstad
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| Data Compliance |
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