Wade Bequest collection of valves: Marconi-Osram Valve radio valve X41

maker:
Marconi Osram Valve Company Limited
SMG00237749

Buy this image as a print 

Buy

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

License

SMG00237749
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: Marconi-Osram Valve radio valve X41. Triode hetrode frequency changer. With B7 base and top cap. Silver metallising. ST bulb.

Details

Category:
Collection Unassigned
Object Number:
1972-343/145
credit:
Wade, J.C.F.