Hi,
Scroll down to the picture showing DB 78 159 (on a push pull service)which will answer your question.
http://www.bahnen-wuppertal.de/html/rheinische-strecke.html
David
Scroll down to the picture showing DB 78 159 (on a push pull service)which will answer your question.
http://www.bahnen-wuppertal.de/html/rheinische-strecke.html
David