Health in home and town . Heating with a Furnace 46 HEALTH IN HOME AND TOWN of the air-chamber of the furnace at the side or the is a slide or damper in the cold-air box to regulatethe amount of air admitted. The Furnace. — The furnace should stand near thecenter of the cellar, so that the heat may reach all ofthe rooms of the house. The furnace is double, and liketwo cylinders, one inside of the other, but entirelyseparate. The cold-air box opens into the outer cylin-. DlAGRAM OF A FURNACE der, called the air-chamber, because it contains aironly. Here the air is heated by the inner
Health in home and town . Heating with a Furnace 46 HEALTH IN HOME AND TOWN of the air-chamber of the furnace at the side or the is a slide or damper in the cold-air box to regulatethe amount of air admitted. The Furnace. — The furnace should stand near thecenter of the cellar, so that the heat may reach all ofthe rooms of the house. The furnace is double, and liketwo cylinders, one inside of the other, but entirelyseparate. The cold-air box opens into the outer cylin-. DlAGRAM OF A FURNACE der, called the air-chamber, because it contains aironly. Here the air is heated by the inner cylinder, andrises into the pipes that open out of the top of the air-chamber. The inner cylinder contains the fire. Theupper part is the fire-box, which is separated by the gratefrom the ash-pit beneath, which holds the ashes. Thefire-box should be perfectly tight around the sides. Ifthere are any cracks the coal gas, which is very poison-ous, and the ashes will escape into the air-chamber, andthence go up into the rooms. When you look at theoutside of your furnace, you see the outside of the air- HOW TO WARM THE HOUSE 47 chamber. When you look inside your furnace, yousee the inside of the fire-box or ash-pit. If you rap onthe outside of the furnace, it sounds hollow, showingthat there is a vacant space within. There is usually awater-pan in the air-chamber with an opening throughthe outer wall of the chamber. This is to furnishmoisture to the air. The Smoke-Pipe. — Op
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsanitat, bookyear1922
