EQUIPMENT FOR FUMIGATING NURSERY STOCK III 
thicknesses of lumber, both matched, tongue and 
grooved, and firmly nailed on the outside, with a 
thickness of tarred paper between. Besides, the seams 
on the outside are covered with strips. The doors are 
ot the refrigerator style, and the casements are padded 
with soft felting. Large wooden buttons are placed 
on the outside, around the edge of the door, to force it 
closely into the padded casement. The roof has a 
thickness of matched boards, then a thickness of 
tarred paper, then shingles. The cost of the complete 
building was a trifle over $20. 
