CHAP. I. 



THE ART OF WARMING. 



347 



The charge of coal or coke is put in above by lifting the lid at 

 the top. 



In northern countries/ such as Germany, Eussia, Sweden, and 

 Norway, the stoves are like pedestals, made of brick, and covered 



Fir,. 240. A stove in Russia. 



with earthenware or porcelain. The supply of air is obtained from 

 outside by a pipe which enters the stove, and it is there warmed, 

 together with the air within, by contact with the hot gases from 

 the grate, and afterwards spreads itself, through the openings in 



