Antique radios, Old Time Radios
2F21
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Country:
United States of America (USA)
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| Identical to |
2F21
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| Similar
Tubes |
Multiple differences or of other kind:
1699
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| Predecessor Tubes |
1899
|
| Base |
6-Pin-Base U6A, old, USA
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| Filament |
Vf 6.3 Volts / If 0.6 Ampere / Indirect |
| Description |
Five inch magnetic deflection monoscope generator; Indian Head pattern, 500 lines calibration. Two recessed small-ball caps.
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| Information source |
- - Manufacturers Literature
Tube Lore (I)
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2F21
Emilio Ciardiello
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Just Qvigstad
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2F21: Manufacturer paper
Tomasz Szczesniak
More ...
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