McVitie Weston valve collection, GEC/USA valve, type GL-805
- Made:
- 1942
GEC/USA valve, type GL-805, graphite anode, pinch marked 21215, (RMW/Y540A - McVitie Weston number), by General Electric Company Limited, 1942.
GEC/USA valve, type GL-805, graphite anode, pinch marked 21215, (RMW/Y540A - McVitie Weston number), by General Electric Company Limited, 1942.