McVitie Weston valve collection, Osram Catkin valve, type S.G.
- maker:
- Osram
Osram Catkin valve, type S.G., ventilated brass screen, (RMW/G61 - McVitie Weston number), by Osram.
Osram Catkin valve, type S.G., ventilated brass screen, (RMW/G61 - McVitie Weston number), by Osram.