SULPHUR — FORMALDEHYDE FORMALIN. 



ing and soaking in an antiseptic solution, or 

 better still, by boiling. Distilled water ought 

 to be aseptic, but as those who distill it are apt 

 to handle it carelessly, nurses are advised to 

 boil even distilled water before using it for 

 aseptic surgery. 



FILTERED WATER. 



Filtered Water is not considered safe to 

 use for drinking or surgical purposes without 

 sterilizing. The parasitic bacteria filter through 

 any ordinary filtering apparatus, the process of 

 filtration only ridding the water of other im- 

 purities and making it transparent. A system sand 

 of sand filtration is in use in some cities. By onf^Safe 

 means of the sand the parasitic bacteria are Method, 

 held in abeyance until destroyed by the sapro- 

 phytic. 



Alcohol is used in skin sterilization for the 

 purpose of removing oily substances, which 

 prevent the penetration of some other disin- 

 fectants. Ether is used for the same reason. 



SULPHUR dioxide FUMIGATION. 



To use sulphur for fumigation, take (4) ^^ p 

 four pounds of rock sulphur (brimstone) for Wirt 

 each one thousand cubic feet of air space. All 

 apertures and crevices about transoms, doors 

 or windows, etc., must be well packed with 

 damp absorbent cotton, or batting, or strips of 

 137 



