"U.S.A. Penns Hopewell Furnace, Nr Birdsboro'"
"U.S.A. Penns Hopewell Furnace, Nr Birdsboro'"
"U.S.A. Mass Saugus Ironworks"
"U.S.A. Mass Saugus Ironworks"
"Early Virginia Ironworks inc. Falling Creek"
"Early Virginia Ironworks inc. Falling Creek"
North American mills and milling industries files
North American mills and milling industries files
"Avesta, Top of one kiln"
"Avesta, Ore Roasting Kilns"
"Avesta, End of furnace building"
"Englesburg, Small Helve Hammer"
"Englesburg, Helve Hammer"
"Englesburg, Lancashire Forge"
"Englesburg, Forge Building"
"Englesburg, Blast Furnace"
"Englesburg, Blast Furnace"
"Englesburg, Blast Furnace"
"Englesburg, Main House"
"Backbarrow, Mould for pigs"
"Backbarrow, Furnace Tapping Hole"
"Backbarrow, Furnace 'Lid' etc"
"Backbarrow, Furnace side"
"Backbarrow, Furnace & Casting shed"