Located near the small river Vichtbach the water wheels could easily be powerded . Calamine was delivered by the oar mines from nearby Breinigerberg and wood for firing the furnaces had been available in adequate quantities in the forests of the Eifel . Rivers like the Vichtbach , which passes by the factory supplied the power to move the water wheels , calamine , one major component of the alloy was delivered by the ore mines at Breinigerberg as well as Diepelinchen , and wood for firing the furnaces was available in adequate quantities in the forests of the Eifel .