35 



SPRAYING FIXTURES 



AGITATORS. — One of the essential features of a good spray 

 rig is some provisión for agitating the spray liquid. Many of 

 the mixtures eontain sol id partióles which if not kept in mo- 

 tion, quickly settle to the bottom of the container. In the 

 accompanying illustration (Fig. 17) is shown one of the more 



Figure 17 



simple devices for agitating. This is very satisfactory and es- 

 pecially if a hand pump is used upon a tank of this form. For 

 smaller containers or for pouwer sprayers, the agitator may be 

 geared to the pump. Figures 10 and 11 illustrate one style of 

 geared agitator. Still another priciple of agitation is a second 

 outlet in the pump through which a portion of the liquid is for- 

 ced back into the tank. The fault of this method is that it re- 

 quires a pump of unnecessary capacity and involves an addi- 

 tional wear upon the working parts. 



NOZZLES. — A great number of makes and modifications of 

 nozzles are on the market, but probably the three in most gen- 

 eral use are the Bordeaux, Vermorel and Spramotor types. The 



