Edison
Standen House and Garden, West Sussex
Robertson
Souter and the Leas, Tyne and Wear
Thorn EMI
Thorn
Siemens
Tyntesfield, North Somerset
Kingston Lacy Estate, Dorset
Cragside, Northumberland
Osram
Royal Ediswan
Llanerchaeron, Ceredigion
Phillips
British Electric Lamps Ltd
Mazda
Cryselco
Ring