Steam locomotive Nord 3.1192 "Pacific Chapelon" (later SNCF 231 E 22), built 1936. Designed by André Chapelon, who managed to increase the power and efficiency greatly over earlier designs. It was used for express trains from Paris-Nord to Calais, Lille and Belgium. Length (with tender) 23.64 m, weight 102 t, wheel diameter 1.92 m. From 1958 on, these great locomotives went out of service after mainline electrifications.

Mulhouse, Cité du Train, 2006-06-02

tobias b köhler