160 Of the Management of Fire 



the door so defended will last ten times longer than it 

 would last without this defence. 



The inside doors of the two brewhouse fire-places 

 which I have fitted up at Munich are both defended 

 from the heat in this manner ; and the contrivance, 

 which has answered perfectly all that was expected 

 from it, has not been found to be attended with any 

 inconvenience whatever. 



PLATE III. 



Fig. 1 7 is a front view of the new boiler of the brew- 

 house called Neuheusel, or rather of its fire-place and 

 cover (the boiler being concealed in the brick-work). 

 The inside door of the fire-place is here represented 

 shut ; and, in order that it might appear, the outside 

 door is taken off its hinges, and is not shown. The 

 two vaulted galleries, A, B, in the solid mass of brick- 

 work, on the right and left of the fire-place (which were 

 made to save bricks), serve for holding firewood. The 

 partition walls of the fire-place and the different flues, 

 as also a section of the boiler, are represented by dotted 

 lines. The small circular hole on the left of the fire- 

 place door is the window opening into the fire-place, by 

 which the burning fuel may be seen. 



a, b, is the wooden curb of the boiler ; c, d, a platform 

 on which the men stand when they work in emptying 

 the boiler, etc. ; e, f, is a platform which serves as a 

 passage from one side of the boiler to the other. This 

 platform, which is about 18 inches wide, is 12 inches 

 higher than the other platforms, in order that the open- 

 ings g and h, into the flues, may remain free. These 

 openings, which are opened only occasionally, that is 

 to say, when the flues want cleaning, are kept closed 



