McVitie Weston valve collection
- Made:
- 1940
- maker:
- Mullard Limited
Mullard tuning indicator valve, type TV4, Ct8 base, marked 9.1 7*G, (RMW/Y301 - McVitie Weston number), by Mullard Limited, 1940.
Mullard tuning indicator valve, type TV4, Ct8 base, marked 9.1 7*G, (RMW/Y301 - McVitie Weston number), by Mullard Limited, 1940.