Page:Willich, A. F. M. - The Domestic Encyclopædia (Vol. 2, 1802).djvu/72

54], iron-monger, for his invention of a machine which he calls a Pneumatic Kitchen, for cooking provisions by steam; in such a way, that no complex machinery is required for supplying the boiler with water, to replace the quantity dissipated by evaporation, nor any pump (the boiler being constantly supplied during the evaporation, without the aid of a cistern); which apparatus may be fixed at a small expence, without any alteration of the chimney; and, when once arranged, requires no repair. The steam-boiler, and cook-



ing-vessels, being made in the usual uay, the former is to be supplied with water by a fountain-reservoir, marked A, which is to be placed at a convenient distance from it, with its discharging tube, marked B, inserted in a cistern, or pipe, marked C; in which the surface of the water will, by means of the fountain, be preserved always at one height, pointed out by the letter D: and by a communication marked E, from the said cistern or pipe, with the steam-boiler, marked F, the water therein will, during the evaporation, be preserved at a height corresponding with such cistern or pipe, and always at the same level, marked G. By means of the fountain above-mentioned, the necessity of cocks and pipes, or pumps, for supplying the boiler, is obviated; and the supply rendered more immediate, more certain, and at the same time more simple, than by any method hitherto contrived. The fountain may be made of any materials, or in any form, suited to the purpose.

A patent was likewise granted, in December 1796, to Mr., of Tottenham-court-road, iron-monger, for a portable cooking machine, for the use of officers in the army or navy, which is provided with lamps. The patentee directs a lamp to be made with any number of burners, or wicks, cording