Wupperthal, a densely-peopled valley in Germany traversed by the river Wupper, which after a course of 40 m. enters the right bank of the Rhine between Cologne and Düsseldorf, and which embraces the towns of Barmen and Elberfeld.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Wundt, Wilhelm Max * Wurmser, Count von