Antique radios, Old Time Radios
1A_Western
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Country:
United States of America (USA)
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| Identical to |
1A_Western
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| Base |
Wires
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| Was used by |
Industrial |
| Filament |
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| Description |
This tube was first developed by Western Electric as a photo cell type, in 1925. It was replaced in 1926 with the 3A. This new tube had caesium dioxide as the photosensitive surface.
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| Information source |
-- Collector info (Sammler)
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Collection of
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