72 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



almost any gradation between the two. It delivers a large 

 amount of liquid and will greatly reduce the time required to 

 spray an orchard, especially where the 

 trees are large. Like the solid stream 

 nozzle it requires a high pressure, at 

 least 250 to 300 pounds being desirable 



FIG. 48. Spray-guns: a. 

 Friend type. (Friend Mfg. 

 Co.) b. Bean type. (Bean 

 Spray Pump Co.) 



FIG. 49. Bamboo exten- 

 sion rod at left, and 

 iron rod with drip-guard 

 at right. 



for good work. Several types are on the market and while they 

 are new to the industry they have already shown that effective 



