Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
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
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process
Specimen, Metal in process of conversion from pig-iron into steel by Siemens' process