Alloy of iron and tungsten, containing 9.5 percent of tungsten
- Made:
- before 1889
Alloy of iron and tungsten, containing 9.5 per cent. of tungsten, analysed and communicated by W. Baker, 1874
Alloy of iron and tungsten, containing 9.5 per cent. of tungsten, analysed and communicated by W. Baker, 1874