Fused oxide of iron taken from the regenerator of one of the furnaces at the Landore Siemens Steel Company's Works
Series of samples of metal in the process of its conversion from pig-iron into steel by Siemens' process, through the addition of scrap iron and manganase, communicated by A. Willis, of the Landore Siemens' Steel Works, near Swansea, 1869 Series of samples of metal in the process of its conversion from pig-iron into steel by Siemens' process
