GPO 312L telephone Designer (Person) Heiberg, Jean Bjerknes, Johan Christian Designer (Organisation) Ericsson GPO Manufacturer Siemens Manufactured for GPO Date 1954
GPO pyramid telephone 162 Designer (Organisation) Siemens GPO Manufacturer Siemens Manufactured for GPO Date 1932
Trimphone telephone Designer (Person) Rowlands, Martyn Manufacturer STC Manufactured for GPO Date 1966 (circa)
Brown Trimphone telephone Designer (Person) Rowlands, Martyn Manufacturer STC Manufactured for GPO Date 1966 (circa)
Viscount telephone Designer (Person) Carr, Peter Howett, Fred Hiner, Peter Designer (Organisation) STC Manufacturer STC Manufactured for BT Date 1981 - 1989 (circa)
Southwestern Bell Freedom Phone, model FF1150 telephone Designer (Person) Unknown Manufacturer Southwestern Bell Date 1994
Deltaphone telephone Designer (Person) Rowlands, Martyn Manufacturer STC Manufactured for GPO Date 1966 (circa)