66 



INSECT PESTS OF FARM, GARDEN AND ORCHARD 



Horizontal Pumps. For larger orchards and shade trees, the 

 double-acting horizontal pumps which are operated with a lever, 



FIG. 38. One of the latest three-cylinder power pumps- designed for spray- 

 ing shade-trees and woodlands. 



FIG. 39.- - Row-spraying attachment for use with barrel pump, adjustable for 

 various width of rows. (Deming Co.) 



as shown in Figs. 35 and 36, furnish more power and consequently 

 make more rapid work possible. They are mounted on 100 or 



