THE “PRINCESS ROYAL”, a 4-6-2 type express engine on the LMS system, designed for hauling, without assistance, loads of 500 tons on non-stop runs from London to the Scottish Border. The engine has a boiler of large size, with a total heating surface, exclusive of the superheater, of 2,713 sq ft, and a fire-grate area of 45 sq ft. The working steam pressure is 250 lb per sq in. The total weight of engine and tender in working order is over 158 tons, and the length over buffers is 74 ft 4½ in. The tender has a capacity of 9 tons of coal and 4,000 gallons of water.
This illustration previously appeared as two front covers in the series, as shown below.