5 may 2007 - Wien (AT) – tramway museum, Erdberg. This purpose-built works tram was constructed in the workshops of the Stadtische Strassenbahnen (which later became WSV) in 1928, using a 1914 passenger car as the basis. It has been in the museum since 1972. The little house in the centre of the tram is a typical Wien feature.Wien (AT) – tramway museum, Erdberg. This purpose-built works tram was constructed in the workshops of the Stadtische Strassenbahnen (which later became WSV) in 1928, using a 1914 passenger car as the basis. It has been in the museum since 1972. The little house in the centre of the tram is a typical Wien feature. Author: dvigar