68 



FUMIGATION METHODS 



modified somewhat by H. W. Miller, of West Virginia, 

 types of which are sh(*vn in the accompanying illus- 

 trations. It is constructed for use in orchards, where 

 the trees are eight to ten feet high. These fumigators 



FIG. 38 PLACING FUMIGATOR OVER TREE. 

 APPARATUS FOR CHEMICALS 



TRAY AND 



are five feet square and seven feet high, with flat top. 

 A light w r ooden frame is first made, around which 

 three breadths of eight-ounce ducking (carefully sewed 

 together) is wrapped and tacked along one edge with 

 tin heads, such as are used for holding building paper 

 in place. The top piece of cloth is also tacked around 



