354 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XII 



THE SOLID STREAM SPRAY WITHOUT AND WITH THE SPREADER ATTACHMENT 



Pig. 1. — The solid-stream sprayer at work in woodlots and forests. In this 

 instance the nozzle was 1,500 feet away from the spraying machine. Occasion- 

 ally lines of hose 1 mile in length are used. The Bureau of Entomology of the 

 United States Department of Agriculture has sprayed with one machine in 1 

 day's time 21 acres of woodlot consisting of trees averaging 60 to 70 feet in 

 height. From 12 to 15 acres is the average day's work, hov/ever. 



Fig. 2. — The solid-stream sprayer with the M. A. C. spreader in place. See 

 Plate XIV, Fig. 2, for an illustration of this spreader. 



