GPO 312L telephone Designer (Person) Heiberg, Jean Bjerknes, Johan Christian Designer (Organisation) Ericsson GPO Manufacturer Siemens Manufactured for GPO Date 1954
Ericofon 700 Designer (Person) Breger, Carl-Arne Manufacturer Ericsson Manufactured for GPO Date 1980 - 1984
GPO pyramid telephone 162 Designer (Organisation) Siemens GPO Manufacturer Siemens Manufactured for GPO Date 1932
GEC Mystique High Light telephone Designer (Person) Unknown Manufacturer GEC Date 1990 - 1994 (circa)
Trimphone telephone Designer (Person) Rowlands, Martyn Manufacturer STC Manufactured for GPO Date 1966 (circa)
Black GPO telephone Designer (Person) Unknown Manufacturer Unknown Manufactured for GPO Date 1959 (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)