it is within the range of possibility that we may in this way reach the solution of the problem of the artificial production of diamonds.
Another and very different use of the heating power of the electric current is its application to cooking and house heating. Attempts have been made for some years now to adapt the current to these purposes, and what has been accomplished in this
direction is to be seen at the exposition. After considerable experimenting the final form which has been given to the apparatus for such use as hot plates, broilers, and water heaters is that of a wire imbedded in enamel such as is at present used upon kitchen utensils. The wire most commonly employed is German silver, though in some cases platinum has been used. In applying this construction to a flatiron, for instance, the base of