154 
On account of the expense it is practically impossible to provide for 
a continuous change of the water. The filtration of the pool water after 
use also involves some trouble and expense. The use of certain disin- 
in i i i ci a i i i as 
(Showing unusual lighting for an indoor 
By courtesy of “Modern Sanitation.” 
pool.) 
a 
at 
Elly 
ag 
7 / 
P| 
i 
Plunge, Fleischmann Baths. New York City. Women’s Hour. 
Fig.6. 
fectants would seem to be more simple and economical. The writer would 
criticise the liquid or fluid chemicals as being harder to apply to the pool 
