STRRILIZATION OF DRINKING WATER—COURMONT. 945' 
the flow of water whenever the lamp may not work either through 
accident or design. Surveillance of the apparatus would then be 
unnecessary. Only sterile water could be drawn. 
Such apparatus as we have described in this article would be of 
great advantage in certain professions and industries. Surgeons, 
obstetricians, could have sterile water; pharmacists would feel secure 
in the preparation of aseptic compounds; brewers would have great 
advantage in using sterile water. Water thus sterilized could be used 
by dairymen, beer makers, manufacturers of artificial mineral waters 
or bottlers of natural water (washing of bottles), etc. 
The applications which Th. Nogier and I have made of the bacteri- 
cidal power of the ultra-violet rays in the sterilization of water have, 
therefore, an important practical bearing which no one now contests. 
