The purpose of this dataset is to create a price index of the equities of leading industrial and commercial companies covering a wide range of industry and distribution in Britain. Closing share prices are recorded for the following: Associated Portland Cement, Beecham, Boots Pure Drug, Bowater Paper, British Leyland Motor, British Oxygen, Courtalds, Distillers, Dunlop, Electric and Musical Industries, General Electric and English Electric, Glaxo, Guest Keen and Nettlefolds, Hawker Siddeley, Alfred Herbert, Marks and Spencer, Imperial Chemical Industries, Imperial Tobacco, London Brick, Peninsular and Oriental, Plessey, Spillers, Rolls Royce, Tate and Lyle, Tube Investments, Turner and Newall, United Drapery Stores, Vickers, Watney Mann, F W Woolworth.