Brookes & Gatehouse Ltd 671 Castrol Industrial Ltd. .. .. .. .. .. Inside back cover Coastal Radio Ltd 693 Cogswell & Harrison Ltd. .. .. .. .. .. .. .. 673 Dagenite Batteries Ltd 673 Dell Quay Sales 661 Gallaher Ltd. .. .. .. .. .. .. .. .. Back cover Gardner Engines (Sales) Ltd.. .. .. .. .. Inside front cover Groves & Guttridge Ltd 665 Neco Marine Ltd. .. .. .. .. .. .. .. .. 661 The Pyrene Company Ltd. .. .. .. .. .. .. .. 665 R.F.D. Company Ltd 683 University Marine Ltd. .. .. .. .. .. .. .. 671 Vacuum Reflex Ltd 665 Watermota Ltd. 673 Yachting & Boating .. . . .. .. .. .. . . .. 665.