McVitie Weston valve collection, Brimar valve, type 77E
- Made:
- 1940
Brimar valve, type 77E, 77E, (RMW/Y306 - McVitie Weston number), by Standard Telephones and Cables Limited.-1940
Brimar valve, type 77E, 77E, (RMW/Y306 - McVitie Weston number), by Standard Telephones and Cables Limited.-1940