HOUSE HEATING 



407 



Stoves. A room of ordinary size can be made comfortable 

 with a stove when it is not too cold outside. If it is very 

 cold outside, say io° below zero, the current of air will 



After University of Minnesota 



Fig. 313. Stove with sheet-iron shell. This stove has also a sheet-iron 

 jacket to quicken the circulation of the air. 



become so cold while passing down the cold walls that the 

 stove cannot heat the room comfortably. A sheet-iron 

 jacket, with neither top nor bottom, set up from the floor as 



