McVitie Weston valve collection, Osram Catkin valve, type VMS4
- Made:
- circa 1930
- maker:
- Osram
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
LicenseERROR 23
Science Museum Group
© The Board of Trustees of the Science Museum
Osram Catkin valve, type VMS4, (RMW/G68B - McVitie Weston number), by Osram, 1930
