Fire-places and Kitchen Utensils. 441 



This boiler is io| inches in diameter above on the 

 inside of the steam-rim, 9^ inches in diameter below, 

 and 8| deep, measured from the top of the inside of 



Fig. 78. 



the steam-rim ; consequently it will hold about 3 

 gallons. Its greatest diameter at its brim is 13^ 

 inches, and total height to the top of its steam-rim 

 is 9! inches. 



The hollow cylinder of sheet iron in which this 

 boiler is suspended, and which confines the heat by 

 defending its sides from the cold air of the atmosphere, 

 is 8J inches high and just 1 1 inches in diameter. 



When this boiler is used for preparing only one dish 

 of victuals, or for cooking several things that may, with- 

 out inconvenience, be all boiled together in the same 

 water, it may be covered with the cover represented in 

 the following figure : 



Fig. 79- 



This cover is composed of one piece of cast iron, 

 coVered above with a flat circular piece of wood which 

 serves for confining the heat. The wood is fastened 

 to the iron by means of a strong wood screw, with a 



