Wade Bequest collection of valves: Very small triode radio valve

maker:
Allgemeine Elektricitats-Gesellschaft
and
Marconi Osram Valve Company Limited
SMG00237680

Buy this image as a print 

Buy

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

License

SMG00237680
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: Very small directly-heated triode radio valve. Spherical bulb with B4-2 base. Non-British manufacturer, probably Dutch.

Details

Category:
Collection Unassigned
Object Number:
1972-343/58
credit:
Wade, J.C.F.