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neutralises the caustic properties of the copper, and 

 helps it to adhere to the leaves. The water forms 

 with them a solution which renders their distribution 

 convenient. The object desired is to distribute this 

 solution in such a manner that all parts of the haulm 

 and leaf will be reached. To effect this special 



STRAWSON'S HAND SPRAYER. 



i 



machines have been brought out. Messrs. Strawson's 

 rank highest, as in the trials carried out under the 

 auspices of the R.A.S.E., at Cambridge, in 1894, they 

 obtained the medal and prize for manual, and the 

 same honours for horse-power machines. M. Vermorel's 

 "Eclaire" knapsack sprayer, very similar to Strawson's 

 " Antipest," is also a good hand-power distributor. 



