NSB steam locomotive class 2a, wheel arrangement 1B, length 11011 mm, driving wheel diameter 1448 mm, two cylinders 508*305 mm, boiler pressure 827.7 kPa, speed 50 km/h, locomotive weight 21.3 t, tender weight 7.1 t. Built 1861 as No. 1406 by R. Stephenson & Co. Engineers, Newcastle on Tyne.
Norsk Jernbanemuseum, Hamar, 2005-08-16