Antique radios, Old Time Radios
Fleming_exp
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Country:
Great Britain (UK)
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| Identical to |
Fleming_exp
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| First year |
1904
-- Original-techn. papers.
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Successor Tubes
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Audion_01-twoelectr
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| Base |
Wires
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| Filament |
Direct / Battery = |
| Description |
This is an experimental fleming oscillation valve from 1904. The Fleming valves were made by the Edison and Swan United Electric Light Co. Ref. book: The thermionic valve and its developement in radiotelegraphy and telephony by J. A. Fleming
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| Tube prices |
1 Tube prices (visible for members
only)
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Fleming_exp: own collection
Peter den Boer † 2025
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| Data Compliance |
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