198 HEATING OUR HOMES 



rattles, you can be sure that cold air is leaking into the 

 house. One way to prevent this is by placing weather 

 strips along on the outside of the window where it fits 

 into the sash. A much better method of keeping out cold 

 air is by means of the double window. Ventilation may 

 be obtained through a loose pane on hinges which can be 

 opened when desired. The storm door, which is nothing 

 more than a double door sometimes arranged with a tiny 

 antechamber in which one may wait while the inner door 

 is being opened, is another means of keeping out much 

 cold air, especially where there are high winds. 



The use of heat in cooking. In the coal range we have 

 the same principle as. the coal stove, except that on one 

 side of the fire box there is an oven separated from the 

 outside walls of the stove by a space. Heat is circulated 

 through this space to warm the oven. A knowledge of the 

 drafts and dampers is necessary in order to heat the oven 

 properly. The main air supply enters through a draft 

 into the ash pit under the coal, passes through the layer of 

 hot coal, helps it to burn, and the hot gases coming from 

 the burning coal pass around the oven and escape up the 

 stovepipe. (Seep. 190.) The oven damper, if raised, causes 

 these gases to pass around the oven before entering the stove 

 pipe. When the oven damper is down, the hot gases pass 

 directly out. What would you do to cool the oven? 



The oven temperature. We can control the oven 

 temperature by regulating the size of the fire, by the use 

 of the oven damper, and by opening the oven door. We 

 must remember that some things, such as roast meats, 

 require a high temperature, while custard requires a much 

 lower temperature. The accompanying table shows some 

 of the differences in temperature for cooking different foods. 



