Wade Bequest collection of valves: Early triode radio valve described as 'soft' Silver valve

PART OF:
Wade Bequest collection of valves
Made:
Portsmouth
SMG00237609

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SMG00237609
Science Museum Group
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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.

Details

Category:
Electronic Components
Object Number:
1972-343/88
type:
valve
credit:
Wade, J.C.F.