Llanerchaeron, Ceredigion
Erddig, Wrexham
Atlas
Thorn EMI
Souter and the Leas, Tyne and Wear
Osram
Cliveden Estate, Buckinghamshire
Wimpole, Cambridgeshire
Felbrigg, Norfolk
Cragside, Northumberland
Tyntesfield, North Somerset
General Electric Co.
Ickworth, Suffolk
Mr Straw's House, Nottinghamshire
Sunnycroft, Shropshire
South Foreland Lighthouse, Kent
Plas Yn Rhiw, Gwynedd
Thorn
Philips
575 Wandsworth Road, London
Leitz
59 Rodney Street, Merseyside
Ever Ready
Nuffield Place, Oxfordshire
The Homewood, Surrey
Fox Talbot Museum, Wiltshire
Houghton Mill, Cambridgeshire
British Oxygen Company Ltd.