The times were also bad for the timber trade and in 1817 the profit was no more than 6,000 spesiedaler, the lowest result manager Lars Semb had delivered in the 33 years he had been at Moss Jernverk.
Det var også dårlige tider for trælasthandelen, og for 1817 var overskuddet ikke mere end 6.000 spesiedaler, det dårligste resultat bestyrer Lars Semb havde leveret i de 33 år, han havde styret værket.