NOTE (p. 404). For those more particularly interested, we append a full analysis of the slag, taken from Messrs Stead and Ribsdale's paper in the 'Journal of the Iron and Steel Institute,' 1887, vol. i. p. 222:— | Lime | 41.58 | | Magnesia | 6.14 | | Alumina | 2.57 | | Peroxide of iron | 8.54 | | Protoxide of iron | 13.62 | | Protoxide of manganese | 3.79 | | Protoxide of vanadium | 1.29 | | Silica | 7.38 | | Sulphur } | .23 | | Calcium } | .31 | | Sulphuric anhydride | .12 | | Phosphoric acid | 14.36 | | 99.93 |
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