Antique radios, Old Time Radios
C4B
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Country:
United States of America (USA)
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| Identical to |
C4B
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
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| Description |
for 120V use term. 4&7 strapped togehter. For 240V term. open.
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| Information source |
Ballast Tube Handbook, The
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Just Qvigstad
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