in La Louviere, Belgium where torn down 15 years ago in between August 2003 and September 2004.
The line of 6 units showed the entire development of blast furnace technology in the 20th century.

Blast furnace 1, Ø 4,5 m, 1913.
Blast furnace 2, Ø 4,5 m, 1913.
Blast furnace 3, Ø 4,5 m, 1930.
Blast furnace 4, Ø 4,5 m, 1939.
Blast furnace 5, Ø 5,5 m, 1958.
Blast furnace 6, Ø 6,5 m, 1972.