Antique radios, Old Time Radios
CAV25
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Country:
Great Britain (UK)
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| Identical to |
CAV25
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| Similar
Tubes |
Other base:
CAV29
; CV2132
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
--/-- |
| Description |
caesium-antimony Vacuum Photocell >120 microAmps/lumen
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| Information source |
- - Manufacturers Literature
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Just Qvigstad
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CAV25: own collection
Peter den Boer † 2025
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