406 



ENGINEERING ON THE FARM 





TYPES OF HEATING APPARATUS 



Fireplace. Where the climate is very mild, a fireplace 

 may afford all the heat necessary. In a section of the coun- 

 try where wood is plentiful the comfort and satisfaction of 



an open fire should not 

 be overlooked. In 

 early spring and late fall 

 a few sticks of wood on 

 a grate fire will afford 

 more cheer than double 

 the quantity in a heater. 

 The flue should be large 

 — one 8X8 inches is 

 usually too small. A 

 fireplace should be at 

 least 36 inches wide, 28 

 inches high, and 16 

 inches deep, or as near 

 these dimensions as the 

 commercial facing and 

 lining materials will 

 make. Colored brick 

 with a rough face makes 

 a most satisfactory 

 facing and may be 

 placed at the time the 

 chimney is built. The 

 lining should be of fire 

 brick. A hearth is 



Fig. 312. The essentials of a fireplace easily built of a SUlOOth, 



hard brick or tile. Figure 312 shows a section of a fireplace 

 showing facing, lining, damper, ash trap, throat, and smoke 

 box. The essentials of a satisfactory fireplace are: (1) a 

 large flue, (2) a smooth throat set well to the front, (3) a 

 thin lip. A smoking fireplace can usually be remedied by 

 the addition of a thin lip member. 



After University of Minnesota 



The essentials of a fireplace 



