German steam tug Tauer 8 1875-

A so-called tauer schlepper=rope tug. Owned by Centr. Actien Gesellschaft für Tauerei&Schlepp Sch., Ruhrort, Germany. Iron built in 1875. Horsepower 55 hp. Crew numbered 11 men.  

Source

Rheinschiffs-Register. Frankfurt am Main, Germany 1879.