38 



ring arrangenient as shown in the accompanying figure. (Fig. 

 22) The ring is sel at an angle of about 30 dogrees to the rod. 



Figure 22 



DRIP GUARD. — Some of the spraying mixtures are caustic 

 and should be kept from contact with one's flesh. To prevent 

 the drippings from the nozzle following the extensión pole to the 

 hands of the operator some sort of barrier is placed around 

 pole. The metal arrangement shown in Fig. 22 serves the 

 purpose admirably. 



EXTENSIÓN ROD.— To facilítate the distribution of the 

 mixture on high growing plants the nozzles may be placed upon 

 the end of a hollow rod, the lower end of which is attached to the 

 hose. It is rarely advisable to have this rod more than fifteen 

 feet in length. The rod may be of % inch pipe, but a better one 

 is of . bamboo through the center of which extends a small brass 

 rod. The bamboo rod is lighter and affords a better grip. 



OUT-OFF VAL VES— There should be a valve at the bottom 

 of the extensión rod to prevent loss of mixture while passing from 



