Antique radios, Old Time Radios
4832
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Country:
United States of America (USA)
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| Identical to |
4832
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| Filament |
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| Description |
Nine-stage photomultiplier. "Quantacon", 931A format with UV transmitting window, gallium-arsenic photocathode, response near-flat from UV (250 nm) to near-ir (800 nm).
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| Information source |
Tube Lore (II) page 178
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