hardness and weight, as surprising as pleasing. The manufacture of steel direct from the ore has become un fait accompli. Iron is used for few purposes, steel being cheaper and better. Aluminum, which is plentifully extracted from common clay, has taken the place of steel and bronze for many uses, in fact for all places where great mass is not practically a requisite.
The chemist is even more ingenious and more of a benefactor than his predecessor of the nineteenth century. He has produced from coal oil, in paying quantities, both sugar and vinegar; and has also solved the problem of making sugar from starch.
The majority of fabrics are rendered, by chemical processes, proof against fire and mildew; and the law renders the use of such fireproof substances compulsory where wood, cloth or paper is used in building construction.
Medical and chemical science has so far advanced that special foods are devised for particular parts of the body. The man who uses his brain employs certain condiments; he who gains his living by the sweat of his brow others, and so on.
Foods are concentrated to a degree once
