Erddig, Wrexham
G.E.C.
Plas Yn Rhiw, Gwynedd
Philips
Ferranti
Standen House and Garden, West Sussex
His Master's Voice
Killerton, Devon
Shaw's Corner, Hertfordshire
Castle Drogo, Devon
Kingston Lacy Estate, Dorset
Cragside, Northumberland
Greys Court, Oxfordshire
Scotney Castle, Kent
Wimpole, Cambridgeshire
Blickling Hall, Norfolk
Polesden Lacey, Surrey
59 Rodney Street, Merseyside
Paramount
Dunham Massey, Cheshire
Wightwick Manor, West Midlands
Peckover House, Cambridgeshire
Radio Rentals
20 Forthlin Road, Allerton, Merseyside
Premier
Wicken Fen, Cambridgeshire
Ekco
Mottisfont, Hampshire
The Workhouse, Southwell, Nottinghamshire
Lavenham, Suffolk
Ickworth, Suffolk
Bush
Llanerchaeron, Ceredigion
Marconi
Souter and the Leas, Tyne and Wear
E. K. Cole Ltd
Rank Organisation
Birmingham Back to Backs
Morphy Richards
Tyntesfield, North Somerset
Roberts and Co
Chartwell, Kent
Kleeware
Penrhyn Castle, Gwynedd
Sudbury Hall (Children's Country House), Derbyshire
E.K.Cole Ltd.
The Gramophone Co. Ltd
G. Marconi
Marconiphone
Nuffield Place, Oxfordshire
Carrick-A-Rede, County Antrim
Snowshill Manor and Garden, Gloucestershire
