McVitie Weston valve collection, Mullard valve, type 0.30B
- maker:
- Mullard Limited
Mullard valve, type 0.30B, marked 85, anode supported from two separate branch tubes in pinch, (RMW/J27 - McVitie Weston number), by Mullard Limited.
Mullard valve, type 0.30B, marked 85, anode supported from two separate branch tubes in pinch, (RMW/J27 - McVitie Weston number), by Mullard Limited.