Fire-places and Kitchen Utensils. 



407 



used for burning charcoal in kitchens; but I should 

 be sorry to recommend an invention to which there 

 appear to me to be so great objections. 



I have caused a considerable number of portable 

 kitchen furnaces, of both the kinds above-mentioned, 

 to be constructed; and I shall now give descriptions 

 of such of them as seem to answer best the purposes 

 for which they were designed. They may all be seen 

 at the Repository of the Royal Institution. 



A very simple and useful portable kitchen furnace, 

 with its stewpan in its place, is represented by the 

 following figure: 



Fig. 60. 



Ai \ 



This furnace is made of common sheet iron, and it 

 may be afforded at a very low price. It is composed 

 of a hollow cylinder, and two hollow truncated cones 

 of different sizes. The large cone, which is erect, is 

 closed at its base or lower end. The smaller is inverted, 

 and is open at both ends. This smaller cone is sus- 

 pended in the larger, by means of a rim about half an 



