Catalogue de radios anciennes
1A_Western
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Pays:
Etats-Unis
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| Identique à |
1A_Western
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| Culot |
Wires
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| Utilisé par |
Industrial |
| Chauffage |
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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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| Bibliographie |
-- Collector info (Sammler)
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Collection de
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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