McVitie Weston valve collection, Sator valve, type NDG4
- Made:
- 1933
Sator valve, type NDG4, marked 302, (RMW/G28 - McVitie Weston number), by Tungsram Electric Lamp Works (Gt. Britain) Ltd., 1933.
Sator valve, type NDG4, marked 302, (RMW/G28 - McVitie Weston number), by Tungsram Electric Lamp Works (Gt. Britain) Ltd., 1933.