McVitie Weston valve collection, GEC/USA valve, type C.302
- Made:
- 1923
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
LicenseGEC/USA valve, type C
Science Museum Group
© The Board of Trustees of the Science Museum
GEC/USA valve, type C.302, metal and ceramic 4-pin base, top pip, heavily phosphorus gettered, (RMW/J12 - McVitie Weston number), by General Electric Company Limited, 1923.
