DS brand socket with plug Designer (Person) Unknown Manufacturer Dorman Smith Date 1940 - 1945 (circa)
Mellor traffic light signal head Designer (Person) Mellor, David Manufacturer Plessey Manufactured for Somerset County Council Date 1990 - 1998 (circa)
Terrain Hydromax siphonic roof drainage system Designer (Person) Unknown Manufacturer Polypipe Terrain Manufactured for Hydromax Incorporated Date 2012