The Campaign in Havana 247 



reach from one piece to the other. On windy days 

 a center support for each large sheet of paper was 

 used. The paste was made of floiu: and water. 

 Paper strips of different widths were kept in stock 

 to expedite the work. 



The cubic contents of each room was ascertained 

 to determine the number of fumigation pans 

 required. 



Just before a room was finally closed, the pans 

 containing the sulphur or pyrethrum were placed 

 in position on the floor. Each pan was placed 

 inside a larger shallow iron vessel containing 

 water as a precaution against fire, in the event of 

 the iron pan containing sulphur or pyrethrum 

 breaking during the progress of the fumigation. 

 Small boxes holding exactly one and two pounds 

 of sulphur or pyrethrum powder were used for 

 measioring, and it was the duty of the sanitary 

 inspector in charge of the fumigation to supervise 

 the placing of the fimiigants in the pans, and the 

 correct number of pans in each room. When as 

 much of the sealing was accomplished as could be 

 performed without closing the door, or other exit, 

 the inspector arranged the ftunigation pans in the 

 most advantageous way, sprinkled the surface 

 of the sulphur or pyrethrum powder with a small 

 amount of wood alcohol, and then ignited the 



