SPRAYING PUMPS 



101 



houses and a few individual specimens, the spray 

 may be applied with a whisk, or with a common 

 garden syringe. If one has fifty or a hundred 

 plants to treat, however, it is best to have some 

 kind of bucket pump like those shown in Fig. 98. 

 Upon a lawn or in a small garden, a tank upon 

 wheels (Figs. 99, 100, 101) is handy and efficient. 

 In such cases, or even for larger areas, some of 

 the knapsack pumps (Fig. 102) are very desirable. 

 These machines are always serviceable, because the 

 operator stands so near to his work ; but they 

 carry a comparatively small amount of liquid and 

 do not throw it rapidly, and they are, therefore, 

 expensive when much work is to be done. Yet, 

 in ordinary home 

 grounds, the knap- 

 sack pump 



98. Bucket pumps. 



99. A handy garden sprayer. 



one of the most efficient and practicable of all the 

 spraying devices. For large areas, as for orchards 

 and fields, a barrel pump mounted upon a wagon 



