McVitie Weston valve collection, Sylvania valve, type 45
- Made:
- circa 1934
Sylvania valve, type 45, pinch marked U, (RMW/F72 - McVitie Weston number), by Sylvania Electric Products Incorporated, c. 1934.
Sylvania valve, type 45, pinch marked U, (RMW/F72 - McVitie Weston number), by Sylvania Electric Products Incorporated, c. 1934.