F.R. Dwars of Zwollerkerspel, Netherlands received concession for a towing service according to the Dutch newspaper Rotterdamsch nieuwsblad dated 4 August 1879

An item reported that F.R. Dwars, Zwollerkerspel, Netherlands got a concession for a steam towing service for the rivers Waal, Rijn and the Gelderse IJssel as far as the beginning of the Ijssel.