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

PART OF:
Wade Bequest collection of valves
Made:
England
maker:
Marconi Osram Valve Company Limited
SMG00237653

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

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

License

SMG00237653
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: early directly-heated triode radio valve by Marconi-Osram. With B4-3 base and top seal.

Details

Category:
Electronic Components
Object Number:
1972-343/21
type:
valve
credit:
Wade, J.C.F.