Prototype Belling kettle Designer (Person) Unknown Manufacturer GJC Developments Manufactured for Belling Date 1973 (circa)
Brown Trimphone telephone Designer (Person) Rowlands, Martyn Manufacturer STC Manufactured for GPO Date 1966 (circa)
Deltaphone telephone Designer (Person) Rowlands, Martyn Manufacturer STC Manufactured for GPO Date 1966 (circa)