Antique radios, Old Time Radios
31C2
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Country:
Great Britain (UK)
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| Identical to |
31C2
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| Similar
Tubes |
Normally replaceable-slightly different:
31C1
Heater different:
31C14/T1
; CV5119
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Successor Tubes
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CV5119
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| Base |
Duodecal (12-pin), B12A (not glass)
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| Filament |
Vf 4 Volts / If 0.72 Ampere / Indirect / Specified voltage AC/DC |
| Description |
6" measurement tube for DF Compass.
Concave face with integral compass marks.
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| Information source |
- - Manufacturers Literature
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Just Qvigstad
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31C2: Original data sheet
Michael Poll
More ...
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