Adlard Coles Ltd 553 Bolinders Company Ltd. .. .. .. .. .. .. .. 547 Henry Browne & Son Ltd 540 Castrol Industrial Ltd. .. .. .. .. .. Inside back cover Coastal Radio Ltd 549 Cogswell & Harrison Ltd 555 Dell Quay Productions Ltd 561 Dagenite Batteries Ltd 549 Gallaher Ltd... .. .. .. .. .. .. .. Back cover Gardner Engines (Sales) Ltd. .. .. .. .. Inside front cover Groves & Guttridge Ltd 553 The Pyrene Company Ltd. .. .. .. .. .. .. .. 540 S. Rose & Co 555 Strand Glass Company Ltd. 553 Transport Equipment (Thorneycroft) Ltd. .. .. .. .. 549 University Marine Ltd. .. .. .. .. .. .. .. 553 Watermota Ltd 556 Yachting & Boating 555.