6 



® 



RADIOFLOAT 



NYLON LINE 



6 GLASS BALLS ON 3/8" CHAIN 



EG&6 CURRENT METER 



NYLON LINE 



12 GLASS BALLS ON 3/8'CHAIN 



EG&G CURRENT 



4 GLASS BALLS ON 3/8"CHAIN 

 AMF RELEASE 



NYLON LINE 



3/4" ANCHOR CHAIN 



— 2000 LB SINKER 



Figure 7. Design employed for subsurface current meter measurements, IIP-1974. 



16 



