McVitie Weston valve collection, Arcotron valve, type 301
- Made:
- 1930
Arcotron valve, type 301, flat ribbon-shaped glass envelope with painted red top, (RMW/E14 - McVitie Weston number), by Unknown maker, 1930.
Arcotron valve, type 301, flat ribbon-shaped glass envelope with painted red top, (RMW/E14 - McVitie Weston number), by Unknown maker, 1930.