1905.] 



Spraying Machines. 



17 



part with spray, unless they are mounted on a vehicle and use 

 very long spraying tubes. In the United States and Canada^ 



where apple trees grow to a great size, the rows are so far apart 

 that there is plenty of room to draw a waggon between them, 

 and this plan is adopted for spraying large trees, the pumping 



