Antique radios, Old Time Radios
4687_Triode
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Country:
Great Britain (UK)
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| Identical to |
4687_Triode
= NT40
= CV1223
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Description |
British Admiralty store reference for CV1223 / NT40 power triode.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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Just Qvigstad
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