British_N_gauge
British N gauge is a model railway scale and gauge, rolling stock is to a scale of 1:148,[1] track is 9 mm (0.354 in) width as with all other N gauges making track and rolling stock approximately 10% out of scale with respect to each other. The 9 mm (0.354 in) track width derives from a scale of 1:160 for 1,435 mm (4 ft 8+1⁄2 in) standard gauge rails.