Black-sand beach near Kāwhia
Magnetic ironsand
Ironsand beaches, western North Island
Blast furnace, Taranaki
Onekakā ironworks
John Cull’s smelting method
Electric arc furnace
New Zealand Steel mill
Mining ironsands
Inside an iron smelter
Oxygen lancing
Chemical composition of ironsands
From ironsand to steel
Cold-rolled steel
Corrugated steel cladding
Galvanised steel beams
Trampers’ hut
Roofing iron
Contemporary cladding
Iconic iron
