166 KErORT OF THE fcSXATE BoTAKIST, 



EXPLANATION OF l^LATES. 



Plate XYI. — Ground jplan of power sprayer showing arrange- 

 meyits of parts except tool box. Drawn to scale of one-half 

 inch to the foot, 



Plate XVIL Fig. 1. — Ground plan of front truck. . 



Fig. 2. — Diagra'tn of pump with connections to tank and 



nozzle carrier. Arrows indicate direction of flow also points 



of connection to other figures. 

 Fig. 3. — Diagram of one-half of carrier^ rear view, showing 



arms. 

 Fig. 4. — Diagram of side view of arms and vertical su2)ply 



pipe. Allpai'ts except arms drawn to sjale of one-half inch 



to the foot. 



Plate XYIII. — Hear side view of sprayer showing arrangements 

 of parts of carrier and rakes with their supports. 



Plate XIX. — Same as Plate XVIII with carrier elevated to show 

 parls more plainly, especially attachinent of brake bar to 

 carrier and horizontal supports, together with anchorage to 

 side. 



Plate XX. — Side view of carrier and rakes elevated, side view 

 of pump showing sprocket, also connection with shaft. In 

 additioji showing side view of arches with their braces. 



Plate XXI. — Machine at work in field spraying two roxos at a 

 time. 



