176 MACHINE FOR CLEANING CHIMNEYS. 



each rod; the spring G, and upper end of the rod fig. ^, are 

 pressed into this socket so far, that a small point I, on the 

 upper end of the spring, rises through a small hole in the brass 

 socket, and retains the lower end in the socket. Each rod is 

 made of hiccory wood, which being tough and flexible, is parti- 

 cularly well calculated for this use, bending and adapting it- 

 self to the different turns it meets with. 



Fig. 4 Shows the key to unlock the rods; it is six inches 

 long, and made from a piece of one of the rods, with a steel 

 stud K in the middle, rising a quarter of an inch, and a brass 

 plate on one side projecting the thickness of the rod to guide 

 it into the socket, that it may be used without looking at the 

 rods. 



Method of The method of cleansing the chimney is, by first entering 



using It. ti^g brush part of the machine, with the brushes closed, and 



one of the rods attached to it, up the chimney ; the head of a 

 second rod is then slided as above mentioned into the socket of 

 the first rod, and the brush by it forced higher up, a third rod 

 is then slided into the socket of the second, and this mode con- 

 tinued till a sufTicient number of rods are added to raise tho 

 brush to the top of the chimney. The string E, extending 

 from the brush to the bottom of the chimney, being then pul- 

 led, occasions the four brushes to expand to the width of the 

 flue, and to bringdown with them in their return all the soot 

 which adhered to the sides of the flue. As the machine is 

 drawn down, the rods are separated one by one by means of 

 the key, and laid upon the hearth till the brush part is brought 

 down, which is then closed and laid with the rods. 



The usual precautions must be taken of placing a curtain 

 before the fire-place, to prevent the soot, while falling, from 

 flying about the room. 



JOSEPH DAVIS. 



V, 



