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1,151- For spraying Kerosine Emulson or Bordeaux 

 mixture, one of the many forms of Knapsack pumps (Fig. 76), 



FIG. 76. THE ECLAIR VAPORISER. 



may be used. Fig. 77 represents the general manner in 

 which these and other spraying machines are used. The 

 Eclair Vaporiser represented in fig. 76 is provided with a 



FIG. 77. MANNER OF USING SPRAYING MACHINES. 



*. 



handle which the man distributing the liquid keeps working. 

 Air and the liquid are forced out of the same orifice by this 

 action, and the result is the distribution of the liquid in 

 extremely fine particles over a large space. Each time 

 about 30 Ibs. of liquid can be charged, and three such 

 charges will be enough for sprinkling a solution over a 

 whole acre of land in the course of a few hours. The vaporiser 



