20 SANITARY PRIVY. 
day. The amount of overflow (effluent) from the liquefying tank 
has been 59 gallons. The liquefying tank itself consists of an 
ordinary water-tight 40-gallon whisky barrel, and it has not been 
necessary thus far either to add. water or to empty it. 
Tests of this device are now being made in out-of-doors privies in 
order to determine the effect upon it of varying conditions of tem- 
perature and humidity. Tests are also being made to bring out 
whatever objectionable features may arise in connection with its 
general use and to determine the simplest methods of managing the 
device so that, any family will have no difficulty in keeping it in 
proper working order. 
The handle of the antisplasher should come up through the seat 
board at the side of the hole. By this arrangement the antisplasher 
can be raised entirely out of the water and-thus used to sink the 
toilet paper and fecal matter if too much floats on the surface. 
As an effluent tank, various receptacles can be utilized. If an iron 
pot is used, place on stones or provide with legs so that a space is left 
under it to permit the building of a fire as the effluent can be easily 
and cheaply disinfected by heat. 
As a liquefying tank one may use either a barrel or an iron tank, 
or a box, or a brick vault, or a concrete vault. Whatever is used 
for this purpose must be strictly water-tight. Iron or concrete will 
~ cost more than wood, but on account of greater durability willbe 
more economical in the long run. ; 
The larger the family the larger the liquefying tank must be. A 
40-gallon barrel, such as a whisky or oil barrel, seems sufficient for a 
family of 3 adults. For a larger family, the capacity should be in- 
creased by using two or more barrels or one:larger receptacle, in the 
proportion of about 40 gallons capacity to every 3 to 4 adults in the 
family. . 
One advantage the device possesses is that with very little expense 
it can be put in the outhouses already in use; in fact, it can be placed 
in any of the outhouses on the farm, such as barn or woodshed, and 
thus save the expense of building for this special purpose. Wher- 
ever put, it is very important to have it in a place screened against 
flies. 
From the out-of-door experiments thus far it can be readily fore- 
seen that two factors come into consideration which have not been 
found important in the indoor privy, namely, evaporation and 
changes of temperature. 
In cold weather the fermentation is not so rapid as in warm 
weather, and on this account the contents of the liquefying tank may 
gradually thicken. 
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