Disinfection 217 



house in which dry- earth closets are under the 

 house -roof, and yet there is no unpleasantness. 

 Since the well is so easily contaminated by the 

 seeping through the soil of manure and human 

 waste matter, it is of the utmost importance that 

 the privy vault should be below the source of 

 water supply and as far as possible from it. In 

 the following pages the details of construction of 

 the privy vault are given, the relative location 

 of it, and the water supply. 



Plumbing fixtures, like all other mechanical 

 contrivances, to be efficient, require to be kept 

 in perfect order. Frequent, thorough flushing 

 with hot water whenever possible, and disinfec- 

 tion of the closet and the sink, are especially 

 desirable. If all fixtures be set "open" and all 

 pipes in sight, any leakage may be easily de- 

 tected and remedied. If the pipes be painted 

 with white lead, the defect will be discovered by 

 the discoloration of the paint. 



WATER SUPPLY AND SEWAGE 



Water in abundance for the domestic animals 

 should be provided by means of artificial pools 

 or lakes, situated on land higher than the barns, 

 but if they must be placed below the level of the 

 buildings, aermotors or windmills may be easily 

 made to elevate it to any reasonable height. It 



