Records of Rose Downs and Thompson Ltd., manufacturers of general engineering products, oil mill machinery and food processing equipment > List of Spur, Bevel and Mitre Wheel Patterns, Fly Wheels, Worms and Worm Wheels etc., belonging to Holroyd, Horsfield & Wilson (Late Robert Wood & Sons) Millwrights, Engineers and Machine Makers, Iron and Brass Founders, etc., Larchfield Foundry, Hunslet Road, Leeds