DS brand socket with plug Designer (Person) Unknown Manufacturer Dorman Smith Date 1940 - 1945 (circa)
Mellor signal head pin Designer (Person) Mellor, David Manufacturer Plessey Manufactured for Somerset County Council Date 1990 - 1998 (circa)
English Electric fuse holder Designer (Person) Unknown Manufacturer English Electrical Company Date 1920 - 1960 (circa)