Wade Bequest collection of valves: Early triode radio valve described as 'soft' Silver valve
Wade Bequest collection of valves: Early triode radio valve described as 'soft' Silver valve, c.1908/1916. With flat circular anode connected to top wire and flat parallel wire grid. Very unusual - looks similar to German-made valve.
- Collection Unassigned
- Object Number:
- Wade, J.C.F.
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