100 



FUMIGATION METHODS 



ventilate either room by jemoving a slide. In addition 

 to these roof- flues there are also two small doors, 3 x 

 2^ feet, one for each large room, on the opposite side 

 of the building, which, when opened, insures quick 

 ventilation. 



In the construction of this house, first a good 



FIG. 53 DOUBLE ROOMS BUILT IN END OF PACKING-SHED 



strong frame was built and covered outside with one 

 and one-quarter inch twelve-inch Virginia pine boards, 

 ^ x 4 inch battens. The interior, including the floor, 

 was lined with two-ply cyclone paper, over which 

 four- inch flooring was laid. The roof was covered 

 with heavy roofing paper, tarred and graveled. The 

 doors are 6% x 3/4 feet, made double, refrigerating 



