CoHarfe Smiifntion. 
647 
roomed cottage is upwards of 4,000 gallons a year, quite suf- 
ficient for drinking and cooking purposes for a small family. 
Unfortunately the methods used for collecting and storing make 
it in many cases both distasteful and dangerous. 
The roofs of the houses are allowed to get coated with mosses, 
soot, bird droppings, and dead leaves ; the gutters are so laid as 
to let the water become stagnant in them ; and the cistern, which 
Fig. 12.— Deep well fouled by surface water and soakage into upper part of shaft. 
should- be of some impervious and easily cleaned material, is very 
5 generally an uncovered wooden tub of uncertain age, and coated 
^ with soot and vegetable growths. 
• Where rain water is collected for household purposes it should 
be collected from a tiled or slated roof by properly laid iron 
gutters. The cistern should be made of stone, slate, galva- 
i nieed iron or concrete, and should have a properly fitting cover 
VOL. III. T. S. — 12 Y Y 
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