Antique radios, Old Time Radios
412A
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Country:
United States of America (USA)
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Brand:
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| Tube type: |
Triode, vacuum Power/Output |
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| Identical to |
412A
= ER112A
= F12A
= 12A
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| First Source
(s) |
Aug.1930 : Philips Bulletin R1164, p. 32
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