Antique radios, Old Time Radios
4H1_Ballast
| Country: |
United States of America (USA) |
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Brand: |
Common type USA tube |
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Tube type: |
REGULATOR-/CONTROL-TUBE (general) |
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Tube ID = 23815 |
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4H1_Ballast
Emilio Ciardiello
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| Usage in Models |
1= 1938?? ; 1= 1939?? ; 2= 1940?? |
| Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 4 |
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