Wade Bequest collection of valves: R2A radio valve, by Osram-GEC

maker:
GEC (Osram)
SMG00237703

Buy this image as a print 

Buy

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

License

SMG00237703
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: R2A radio valve, by Osram-GEC. With B4-1 base and top seal. Dates from World War One.

Details

Category:
Collection Unassigned
Object Number:
1972-343/98
credit:
Wade, J.C.F.