114 FARM APPLIANCES. 



which will just fit in the top of the jar, as shown in 

 figure 140. This pot is the filter, and it is thus ar- 

 ranged : The bottom is covered by a circular piece of 



Fig. 140. Fig. 141. 



FABM WATER FILTER. A SERVICEABLE FILTER. 



thick woolen felt, or two or three pieces of blanket, 

 upon this is placed a layer an inch thick of well-washed 

 sand. Note that the sand, being well washed, the felt 

 or blanket pieces should be so also. Now upon the sand, 

 freshly burned, soft wood charcoal, which should be 

 freshly heated, free from all dust, and about the size of 

 grains of wheat, should be laid in to the depth of six 

 inches more, and upon this an inch of sand, and another 

 pad of felt or blanket to top off with. Fit up two 

 flower pots for each filter, and keep those not in use 

 covered and clean. The water is poured into the flower 

 pot. A clean lump of clear ice, whole or broken up, 

 may be placed in the jar below the pot, and then the 

 water is fit for anybody's use. 



The filter shown in figure 141 is made of a stout 

 oak barrel with iron hoops. The head is taken' out 



