352 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XI 



THE SOLID STREAM SPRAY WITHOUT AND WITH THE SPREADER ATTACHMENT 



Fig. 1. One of the motor truck sprayers used by the Bureau of Ento- 

 mology of the United States Department of Agriculture in the gipsy and brown 

 tail moth work in New England. Note the number of men required as hose 

 bearers when extremely long lines of hose are used. 



Photograph, Fitzhenry-Guptill Co. 



Fig. 2. The same machine as shown in Fig. 1, but having the spreader 

 attachment on the nozzle in place for spraying the lower branches of the trees. 



Photograph, Fitzhenry-Guptill Co. 



