McVitie Weston valve collection, Mazda valve, type QP230
- Made:
- 1939
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
LicenseMazda valve, type QP230, marked DUMMY
Science Museum Group
© The Board of Trustees of the Science Museum
Mazda valve, type QP230, marked DUMMY, pinch marked QP230/P stem marked 316, one pin clipped, (RMW/Y216 - McVitie Weston number), by British Thomson-Houston Company Limited, 1939.
