180 TREES IN" WINTER 



climbing, a more powerful outfit will be necessary. A ten horse- 

 power outfit will do the work and is very suitable for towns and 

 cities. Most municipalities have many trees in the open that may 

 be sprayed from the ground without fear of disfiguring buildings. 

 Spraying in this way is decidedly less expensive and less dangerous, 

 than where it is necessary to climb the trees. A powerful outfit 



Fig-. 97. The use of a high pressure pump in spraying taU trees. 



may be used for both purposes. When wanted for working in the 

 vicinity of buildings, it may be adapted simply by changing the 

 nozzles. 



Nozzles vary greatly in structure and adaptability. When spray- 

 ing at close range a nozzle that will make a fine mist or "fog" is 



