Steam locomotive PO 4546 (2'C1'), built 1908. Europe's first Pacific series, 4-cylinder compound engine, 100 units were built 1907 to 1910. In SNCF service they were numbered 231 A. Length with tender 20.785 m, weight 90 t, wheel diameter 1.85 m.

Mulhouse, Cité du Train, 2006-06-02

tobias b köhler