Wade Bequest collection of valves: Catkin triode radio valve, by Marconi-Osram

maker:
Allgemeine Elektricitats-Gesellschaft
and
Marconi Osram Valve Company Limited
SMG00237618

Buy this image as a print 

Buy

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

License

SMG00237618
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: Catkin indirectly-heated triode radio valve, by Marconi-Osram. With B5 base and external copper anode. Paper label: W55.

Details

Category:
Electronic Components
Object Number:
1972-343/77
credit:
Wade, J.C.F.