Supplier Details DJB Model Engineering Ltd is a manufacturer of 15mm/16mm ready-to-run live steam engines and kits as well as conversions to coal-firing for existing mass-produced models. Suppliers of fitting,  whistles, lamps, axle pumps, blowdown valves etc. New whistles for Accucraft NA Baldwin and Roundhouse Darjeeling D Class. Located in Nottinghamshire the website provides online ordering and payment