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

SMG00237609

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

SMG00237609
Science Museum Group
© The Board of Trustees of the Science Museum

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:
Collection Unassigned
Object Number:
1972-343/88
credit:
Wade, J.C.F.