Manganese steel ingot fracture
Part of a manganese steel ingot fracture, 14.48% Mn, 1882-1884.
Manganese steel ingot fracture, 14.48% Mn, 1882-1884
Part of a manganese steel ingot fracture, 14.48% Mn, 1882-1884.
Part of a manganese steel ingot fracture, 14.48% Mn, 1882-1884.