Page:Popular Science Monthly Volume 41.djvu/852

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832
THE POPULAR SCIENCE MONTHLY.

this flue serves to warm the air in this passage. To keep the cellar cool and to retain the heat that goes round the cellar, the wall of this passage is covered over with "sluck wool" or "silicate cotton," as it is sometimes called, which is considered a better non-conductor than asbestos. All round the house communicating with this hot-air passage there are inlets of fresh air from the garden, which measure eighty by fifty centimetres and are protected by metallic gauze or webbing. If the wind is very violent, a coarse canvas may be hung in front of these air inlets on the windward side of the house. There are ten such inlets, the fresh air being delivered, as will be seen in the sectional drawing A B, below the hot-air flue. The pipe or flue rests on iron bars and on a socket that permits the easy dilatation and

Plate No. 1.
PSM V41 D852 Ground floor plan of somesco house at creil oise france.jpg
Plan of Ground-floor of M. Somesco's House at Creil, Oise, France.

The dotted lines indicate the warming flue passing down the center of the hot-air passage in the basement of the house. The plan gives the walls underneath the windows and indicates the space for hot air between the outer and inner wall. C C C, the arrows show the hot-air space between the walls. C D, the door from the garden into the. basement. B D, the back door. F D, the front door. DRD, the door from the entrance hall to the drawing-room. F, the furnace lit in the garden outside the house. The arrows from the furnace indicate how the smoke and hot air pass horizontally round the house till they reach C II, where a chimney carries the smoke vertically up to the roof. P P P P, apertures through which brushes may be passed from the garden into the smoke-flue to clean away the soot. W W W W, position of the windows.