FOURCHAMBAULT, a town of central France in the de partment of Nievre, on the right bank of the Loire, 41 m. N.W. of Nevers, on the Paris-Lyon railway. Pop. (1931) 4,885. It has large iron-works, established in 1821, which produce engineer ing material for railway, military and other purposes. Among the more remarkable chefs-d'oeuvre of the town are the metal portions of the Pont du Carrousel, the iron beams of the roof of Chartres cathedral, and the vast spans of the bridge over the Dordogne at Cubzac. A small canal joins the works to the Lateral canal of the Loire.