176 



GARDENING FOR THE SOUTH. 



parts may be reached and separated for repair; 5. Effi- 

 ciency of agitator; 6. Non-corrosive parts which are 

 brought in contact with the liquids. 



Fig. 69— Bellows. Large Single Cone. 



Experiments have proven that the following apparatus 

 will meet most of these requisites: 



One of the simplest forms for applying dry powders is 

 shown in Figure 69. The powder is placed in the cone- 

 shaped vessel, at the bottom of which is an orifice, and 



Fig. 70 — The Leggett Powder Gun. 



through this the powder can sift, and, by working the 

 bellows, the poison is forced out over the plants. Another 

 form is shown in Figure 70, known as Leggett's powder 

 gun. The reservoir containing the insecticides is located 



