Named for an Italian Volcano, Vesuvius Furnace is probably one of the better known furnaces in the area. Built in 1833, Vesuvius was directed by William Firmstone. During its operation, the furnace employed a hundred workers, produced eight to twelve tons per day and three thousand tons per year. It is a recognized as a historical site located in Vesuvius State Park. In 1991, a roof was added to the existing structure to prevent further damage.