Unprotected steelworker with molten iron, Workington, 1952.

"'Running liquid iron from a Blast Furnace into portable ladles', 20th century."

"'Running liquid iron from a Blast Furnace', 20th century."

Iron smelting in a blast furnace, Japan, 1754.

Two links of anchor chain forged from puddled iron, 1780-1869.

Blast furnace for smelting iron, 1555.

Shingler's shoe, late 19th century.

Iron and steel works near Barrow-in-Furnes, 1867.

A water cooled mould from a continuous casting machine, c 1970.

Iron-melting furnace and moulds, 1734.

Furnace for making steel from iron, 1734.

Furnace for making steel from iron, 1734.