NSB steam locomotive class 7a 25. Gauge 1435 mm, built 1875 by Manning Wardle & Co. Ltd. Leeds, suited for operation by one person. Wheel arrangement B with 965 mm driving wheels. Used for shunting and local trains. It became a museum locomotive in 1955. This locomotive used to be on display in the hall of Oslo Sentralstasjon before it came to Hamar.
Norsk Jernbanemuseum, Hamar, 2005-08-16