Antique radios, Old Time Radios
PR281
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Country:
United States of America (USA)
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| Identical to |
PR281
= 281
= 81
= UX281
= CX381
= 481
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| Similar
Tubes |
Normally replaceable-slightly different:
181_Arcturus
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| First Source
(s) |
1929 : -- Original prospect or advert
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 7.5 Volts / If 1.2 Ampere / Direct / Specified voltage AC/DC |
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PR281: Fin Stewart
Fin Stewart
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Just Qvigstad
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PR281: Manufacturer's Literature 1929
Anonymous 15 Collector
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