Wade Bequest collection of valves: type W729 radio valve

SMG00237875

Buy this image as a print 

Buy

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

License

SMG00237875
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: type W729 radio valve. With B9a base. Made by GEC or Marconi Osram in England.

Details

Category:
Collection Unassigned
Object Number:
1972-343/237
credit:
Wade, J.C.F.