1919.] 



CONTROL OF THE CACAO THBIPS. 



91 



The cost of these outfits according to size of pump and number of 

 leads of hose mounted on barrel or drum was from 820 to $50 before 

 the war. 



rig. 1 0. 



Fig. 10.— Double action Friend pump niountel on platform for carrying about. 



II, For Larger Estates. 



1 Double action pump mounted on a small platform for carrying- 



about (fig. 10). 



2 Bamboo rods 10 to 12 feet long. 

 2 Stop cocks for rods. 



2 Angle nozzles with hole i^ of an inch in diameter. 

 2 Lengths hose \ inch bore each 50 feet long. 



Any size tank, barrel or drum may ba used for the spray liquid r 

 The size being regulated by the nature of the district (see fig. 11). 



This outfit has the advantage of beinj stronger and being bett3r able 

 to stand careless pumping. 



The pump gives good pressure anl when suitib'e Y pieces are used^ 

 four leads of hose can be used. A slight fault is tl at the agitation of 

 the spray liquid has to be done by hand. 



