The Cyfarthfa Ironworks were major 18th- and 19th-century ironworks in Cyfarthfa, on the north-western edge of Merthyr Tydfil, in South West Wales.
Cyfarthfa Ironworks in 1894
Cyfarthfa Ironworks Interior at Night, by Penry Williams, (1825)
The remains of a blast furnace at Cyfarthfa Ironworks
An ironworks or iron works is an industrial plant where iron is smelted and where heavy iron and steel products are made. The term is both singular and plural, i.e. the singular of ironworks is ironworks.
The Iron Rolling Mill (Eisenwalzwerk), 1870s, by Adolph Menzel.
Casting at an iron foundry: From Fra Burmeister og Wain's Iron Foundry, 1885 by Peder Severin Krøyer
A South Wales iron mill in 1798
Blast furnaces of Třinec Iron and Steel Works.