Antique radios, Old Time Radios
231580
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Country:
United States of America (USA)
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| Identical to |
231580
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| Base |
SPECIAL TUBEBASE in general
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| Was used by |
Industrial |
| Filament |
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| Description |
This tube was designed for use with the 30 amp type W power supply unit for DC opertation.
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| Information source |
- - Manufacturers Literature Westinghouse Cooper Hewitt booklet July 1921
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