A Carson for Bassett-Lowke steam LxNWR 'Experiment' 4-6-0 locomotive and matching tender, locomotive with Smithie's boiler fired by paraffin, torrid burner and tender fuel tank, twin inside double-acting cylinders with reverse lever in cab, regulator, pressure-gauge and water-sight glass, all in original LNWR livery, circa 1912 (safety valve and tender coal-rail missing)