McVitie Weston valve collection, Marconi valve, type F.E.2
- maker:
- Marconi Company Limited
Marconi valve, type F.E.2, marked 371, (RMW/G2 - McVitie Weston number), by Marconi Company Limited.
Marconi valve, type F.E.2, marked 371, (RMW/G2 - McVitie Weston number), by Marconi Company Limited.