Antique radios, Old Time Radios
Fleming_1889
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| Tube type: |
Signal Diode - one single system Detector |
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| Identical to |
Fleming_1889
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| Base |
Wires
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Direct / Battery = |
| Description |
John Ambrose Fleming had the Edison Swan United Electric Company make him an experimental series of valves in 1889. THese were known as oscillation valves. Several types and sizes of a similar style were made. Filament voltage is unknown. Several of these are in the Science Museum in London and replicas have been made over the years.
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| Information source |
-- Collector info (Sammler)
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