McVitie Weston valve collection, Mullard ORA valve
- maker:
- Mullard Limited
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
LicenseMullard ORA valve, marked S273, filament broken
Science Museum Group
© The Board of Trustees of the Science Museum
Mullard ORA valve, marked S273, filament broken, (RMW/B115B - McVitie Weston number), by Mullard Limited.
