Just off the entrance hall is our Cloth Room. Here Scotland's premier producers of cloth are represented. A visual history of each company and the story behind their products is built into the attractive displays.      The very best of Johnston's of Elgin knitwear is on sale in the Cashmere Hall. The Main Hall has over 10,000 sq.ft. with impressively high ceilings. It contains the foremost makes of country clothing available in Britain. Upstairs on the balcony the emphasis is on books, covering a multitude of country topics. The House of Bruar Ltd, by Blair Atholl, Perthshire PH18 5TW Telephone: 01796 483236.   Fax: 01796 483218.