McVitie Weston valve collection, Marconi/Genova valve, type 43B
- maker:
- Marconi Company Limited
Marconi/Genova valve, type 43B, with disintegrating red sorbo rubber mounting, (RMW/J139B - McVitie Weston number), by Marconi Company Limited.
Marconi/Genova valve, type 43B, with disintegrating red sorbo rubber mounting, (RMW/J139B - McVitie Weston number), by Marconi Company Limited.