The Anthracite Iron Industry of Lancaster County: Rolling Mills 1850-1900 By John Ward Willson Loose I. General Desciption Although rolling mills had been used early in the nineteenth century for reducing the thickness of bar iron produced at the forges, rolling mills as a separate industry were

Anthracite Iron Blast Furnaces in Lancaster County 1840-1900 By John Ward Willson Loose I. General Description Unlike the charcoal furnace, the anthracite furnace was a product of the age of steam power; indeed, it was a symbol of a whole new era in which the trinity of coal, iron, and steam