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POWERFUL TTAND SPRAYERS.— Figure 10 ilustrates 



Figure 10 



the type of hand sprayer practicable for general orchard work 

 where the acerage is too small to warrant the purchasing of a 

 power outfit. Its rauge of economic usefulness is from 10 to 20 

 aeres of bearing trees. Such a pump possesses good leverage; 

 is double acting and has ampie storage to afford an even 

 pressure, A pump of this character raay be mounted upon a 



