Wade Bequest collection of valves: unknown radio valve

SMG00237732

Buy this image as a print 

Buy

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

License

SMG00237732
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: unknown radio valve. With B7 base and top cap.

Details

Category:
Collection Unassigned
Object Number:
1972-343/137
credit:
Wade, J.C.F.