Wade Bequest collection of valves: Small R-type triode radio valve without base
- PART OF:
- Wade Bequest collection of valves
- Made:
- England, Germany and United States
This image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseSMG00237676
Science Museum Group
© The Board of Trustees of the Science Museum
Wade Bequest collection of valves: Small R-type triode radio valve without base. With spherical bulb and top seal. With paper label: W74
