Now steel is a combination of iron and coal, which is extracted, either from the liquid ore, by taking from it the excess of coal, or from the iron by adding to it the coal which was wanting.
El acero es una combinación de hierro y carbón, que se saca o de la fundición, quitando a ésta el exceso de carbón, o del hierro, añadiendo a éste el carbón que le falta.