PLaTe I. 
DEVICES FOR UNDERSPRAYING TREES WITH INSECTICIDES, 
[From Ann. Rept. U.S. Dept. Agr., 1883.] 
Fig. 1. Parts of hose-pole device for spraying trees: Bamboo pole, b b; drip-washer, 7; 
hose, h x; side hook, v; eddy-chamber nozzle, n m; spray, Z s. 
Fic. 2. Metallic hand-pipe with diagonal nozzle: Hose, h; metallic pipe, t; diagonal 
eddy-chamber nozzle, n; its removable face, i; spray, ss 
Fic. 3. Barrel rest or skid: Two coupling-cleats, bb; two side rests, a a; chamfered 
concave, ¢ ¢. 
Fig. 4. Stirrer-pump with barrel and mixer-funnel in section: Funnel, u; its cylindrical 
sides, gy g; funnel base, ¢ t; spout, p (in bung-hole, kh); gauze septum, d; 
barrel, 4k; trunnions, i; trunnion-eyes, ¢; wedge, v; lever-fulerum, /; 
pump-lever, ii; swing of the lever-head and piston-top, a bc; cylinder 
packing-cap, ¢; cylinder, q; its swing, « y; stirrer-loop or eye, h; stirrer- 
bar, mn; rope, ww; bungs, r 2. 
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