322 PRINCIPLES OF SPRAYING 



Fig. 222. Fi G - 223 - 



Fig. 222. — Using a barrel sprayer in a farm wagon. (Missouri Station.) 

 Fig. 223. — A common form of barrel pump with two leads of hose and two disk nozzles 

 on each extension rod. The pump is bolted to the barrel head. This makes the barrel hard 

 to clean out after using. (New Jersey Station.) 



Fig, 224. — A double-acting hand pump and tank arranged to spray through two leads of 

 >se from a farm wagon. From the tower platform the tops of orchard trees may be sprayed, 

 ndiana Station.) 



hOSe nuiu u taiui r 



(Indiana Station.) 



