AST) CONSEUTATOET. 



10 



for either of the Inst two, as they are well contrived to catch 

 up the heat which is apt to accumulate at the eud of the saddle 

 furnace, and thus ensure a quicker circulation and greater 

 economy of fuel than other forms of the saddle. 



The most powerful and hence best adapted for extensive ranges 

 of houses are those known as Upright Tubular boilers. If, 

 instead of an upright water jacket enclosing the fire, as in the 



WEi-K 3 rPEIGHT TUBrLAR BOILER. 



conical boiler, we provide a series of upright tubes, and allow 

 the fire to play amongst and around them, the result will be a 

 tremendous increase of power and a proportionate increase of 

 the consumption of fuel. In great undertakings in the way 



