
RECORDER 

(dS CELL 
Figure 3.--Larval leaf-feeding recorder. Same as figure 9, 
dew recorder with leaf over prism. 
110 V AC 3000 ~ << LOR 25 
FILTER 
1500 ~ 
MOTOR 
4 
Figure 4.--Control mechanism for motor or other electrical 
load, using a 25-watt, Delco, cadmium-sulfide cell. 
Sees Be 
