1905.] 



Spraying Machines. 



9 



man's back caused by the weight of the machine when full 

 and the pressure of the pumping action is somewhat severe for a 

 long day's work, and relief is apt to be sought by taking an un- 

 necessary amount of time in the refillings, which are very frequent. 

 For small orchards and trees and bushes in gardens, however, 

 the knapsack machines are to be preferred to all others, not only 



Fig. 1. — Hand-power Spraying Machine. 



because of the convenience of getting about with them, but also 

 because they are much less expensive, and can be used by one man. 



There are several hand-power machines in the market, a few 

 of which may be mentioned as examples. In connection 

 with the Maidstone Show in 1899, the Royal Agricultural 

 Society had a competitive trial of hop-spraying machines ; but 

 there has never been a similar trial of fruit sprayers in this 

 country. The prize for the best hop sprayer was awarded to 



