McVitie Weston valve collection, Sylvania valve, type 6J7G
- Made:
- 1943
Sylvania valve, type 6J7G, top terminal cap missing, (RMW/Y592 - McVitie Weston number), by Sylvania Electric Products Incorporated, 1943.
Sylvania valve, type 6J7G, top terminal cap missing, (RMW/Y592 - McVitie Weston number), by Sylvania Electric Products Incorporated, 1943.