66 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



FIG. 35. Two types of double-acting lever pumps, to be mounted on 

 truck and connected with tank. 



FIG. 36 Double-acting horizontal pump mounted on 250-gallon tank. 

 A good type of outfit for medium sized commercial orchards. (Va. 

 Agr. Exp. Sta.) 



