An independent electrical retailer is celebrating a milestone birthday after years of trading in the heart of Lynn. Cooper and Elms, located on Tower street, opened its doors to the public on September 1, 1984. It is celebrating 40 years in business in the very same location. Ian Cooper, who is now the owner after taking on the role when his father died 15 years ago, celebrated the occasion by decorating the shop window with a balloon display from a local company. A luxury pamper was given away to the business’ 40th customer of the 40th year, who happened to be a lady from Downham who visited …