Antique radios, Old Time Radios
VT47_USA
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Country:
United States of America (USA)
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| Identical to |
VT47_USA
= CV1772
= 47
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| Base |
UY-Base, 5 Pins (USA, April 1927)
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| Filament |
Vf 2.5 Volts / If 1.75 Ampere / Direct / Specified voltage AC/DC |
| Information source |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
-- Original-techn. papers.
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VT47_USA: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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