McVitie Weston valve collection, STC valve, type 4061A
- Made:
- 1937
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
LicenseSTC valve, type 4061A, pinch marked DW130, glass envelope loose
Science Museum Group
© The Board of Trustees of the Science Museum
STC valve, type 4061A, pinch marked DW130, glass envelope loose, (RMW/J154 - McVitie Weston number), by Standard Telephones and Cables Limited, 1937.
