A finery forge is a forge used to produce wrought iron from pig iron by decarburization in a process called "fining" which involved liquifying cast iron in a fining hearth and removing carbon from the
Walloon forge
…A Walloon forge (or Walloon process) is a type of finery forge that decarbonizes pig iron into wrought iron. The process was conceived in the Liège region, and from there extended to France, then England around the…
Hearth (left) and trip hammer (centre) in a finery forge. In the back room (right) is a large pile of charcoal.