StephensonÕs 0-2-0 Northumbrian, Liverpool and Manchester Railway, 1830
WescottÕs description: From an engraving by I. Shaw, 1831. Generally similar to the Rocket, but the cylinders, 11 in. by 16 in., were nearly horizontal and the boiler had an internal firebox and a smoke-box. Heating surface 41175 sq. ft. Weight 7 3 tons. Wheelbase 7-5 ft. The main frames were formed of vertical plates to which the axle-box horns were bolted.