Ericofon 700 Designer (Person) Breger, Carl-Arne Manufacturer Ericsson Manufactured for GPO Date 1980 - 1984
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)