Antique radios, Old Time Radios
CV2890
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Country:
Great Britain (UK)
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| Identical to |
CV2890
= DDT
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| Base |
British-7-Pin, old (M7A)
Top contact with a cap.
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| Was used by |
Military and/or Government |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 86 & 87
Wireless Weekly p. 40
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Just Qvigstad
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