Fire-places and Kitchen Utensils. 



389 



by marking the latter by fine horizontal lines) is shown 

 in its place ; and the projecting piece of metal is also 

 seen which serves as a handle to turn it about on its 

 centre. This circular register has a shallow circular 

 groove near its circumference, about J an inch deep and 



Fig. 49. 



i \ inches wide ; and between the inside of this groove 

 and the centre of the register there are two holes or 

 openings on opposite sides of the centre which answer 

 to two other openings of like form and dimensions, 

 which are in each half of the oblong plate to which the 

 registers belong. By one of these openings (that next 

 the middle of the oblong plate) flame rises from a fire 

 situated below, and spreads under the bottom of a boiler 

 which is suspended over the circular register ; and by 

 the other it descends, and, again entering the mass of 

 brick-work, it goes off by a horizontal canal which com- 

 municates with the chimney. 



The boiler or stewpan is suspended over the cir- 

 cular register-plate, and the heat is confined about it by 

 means of a hollow cylinder of sheet iron or of earthen- 

 ware (about one inch longer or higher than the boiler 

 is deep), and open at both ends, the lower end of which, 



