Bui. 89, Bureau of Entomology, U, S. Dept. of Agriculture. 



Plate X. 



Spraying Outfits for Vineyards, in Use at North East, Pa. 



Fig. 1.— Spray-mixing plant. Fig. 2.— Gasoline-engine sprayer in operation. Fig. B.— Compressed- 

 air sprayer. Figs. 4, 5.— Horsepower or geared sprayers. (Original.) 



