The Book of Household Management by Mrs. Beeton

establishments, both small and large, have been fitted with apparatus for cooking by this mode, which undoubtedly exhibits some advantages. Thus the heat may be more regularly supplied to the substance cooking, and the operation is essentially a clean one, because there can be no cinders or other dirt to be provided for. Some labour and attention necessary, too, with a coal fire or close stove, may be saved; and, besides this, it may, perhaps, be said that culinary operations are reduced, by this means, to something like a certainty.