INJURIOUS INSECTS OF 1904. 



85 



Fig. 84 shows the cart as it was first made for use with kerosene 

 emulsion. The wheels are Sj/^ feet in diameter, with 4-inch tires, 

 and the platform, which is 8x4>4 feet square, is 14 inches above the 

 wheels, well balanced on the axle, so that almost all the weight, 

 practically all. comes on the axle, not on the horse. The lower hori- 



Fig. 84. — Our Spraying Outfit at work in Nursery. Fitted with one Simplex Pump and 

 one Kero-water Pump. Only the latter in use. 



zontal pipe D (see Fig. 85) is i inch, and 10^4 feet long. Just 3^ 

 feet distant from each other on this pipe four nozzles are attached, 

 pointing directly downward. This spacing brings each one of these 

 nozzles directly over a nursery row, where the row^s are three and 

 one-half feet apart, the usual distance. A nurseryman can, of 

 course, suit this distance to the space between the rows in his nurs- 

 ery. Horizontal pipe D can be raised or lowered by means of 

 chains, to suit high or low trees. 



Horizontal pipe C is fourteen feet long, and projects ten inches 

 back of the platform. The three-eighth-inch verticals from this pipe 

 are five feet four inches long, three and one-half feet space between 



