McVitie Weston valve collection, Sylvania valve, type 1625
- Made:
- circa 1943
Sylvania valve, type 1625, marekd VT-136 D3, (RMW/Y697B - McVitie Weston number), by Sylvania Electric Products Incorporated, c. 1943.
Sylvania valve, type 1625, marekd VT-136 D3, (RMW/Y697B - McVitie Weston number), by Sylvania Electric Products Incorporated, c. 1943.