The house is lighted by gas in every part; but no offensive vapour or inconvenience of any kind appears ever to be felt from it. The distribution pipes are of greater diameter than are generally employed, and the pressure or current is thereby so equalized, that no sinkings or flutterings of the flame are caused by the opening and shutting of doors. The forms and proportions of the Argand burners and glass chimneys are also so arranged as to effect nearly a maximum development of light (of an agreeable hue) from the gas, and to prevent any disengagement of sooty vapour; and the white and gold ceilings of the drawing-room are said to attest the complete success with which this latter object has been attained. The mirrors over the chimney-pieces have statuary marble frames, and each chimney-piece has two gas lights. But the use of gas in the kitchen is perhaps the most remarkable. Here there is a _gas-cooking_ apparatus. In the application of gas for cooking, the arrangements are generally as follow:--A metallic ring, pierced on its upper side with a great number of holes of very small size, is attached to the pipe communicating with the gas main, and is placed within a double drum or cylinder of iron, raised an inch or two from the floor on short legs. This double cylinder is so constructed as to leave a space between the inner and the outer cylinder of about two inches; and in this space near to the bottom, the pierced ring is fixed. A stop-cock in the pipe connecting the pierced ring with the gas main shuts off the supply of gas when the stove is not in use. On opening the cock, and applying the gas to the pierced ring, a brilliant ring of flame is immediately produced, which soon heats both cylinders. The air within the inner cylinder ascends into the room, which it helps to warm; the outer surface of the outer cylinder also performs a similar service; while the space between the two cylinders contains the products of combustion, which are allowed to escape into the room, if the heating power of the whole is required; but which are carried off by an inclosed channel, if it be wished to protect the air of the room from deleterious mixture. In this house, the gas-cooking stoves are eight in number, the mouth of each being four inches in diameter, a size which experience has shown to be the most useful. The kitchen fire-place is no larger than is requisite for roasting; all the other processes being performed either in the oven, the steaming vessels, or at the gas stoves. These stoves are placed in the bay of a large window, thus giving the cook the advantage of a good light above the level of the pans. A close boiler at the back of the grate affords steam for the cooking utensils and for a hot closet; it also contains a coil of iron tubing, through which the water of a bath, placed in a dressing-room on the chamber floor, is made to circulate when a hot bath is wanted.