1H7 



Machine. 

 Turns Cor.-\- 

 Sltot or /ffr,<i, 

 Bottom 



lint i uta. tf'MfwttUitn- 

 JVo, of Uicriit OTncter 

 Corrected te mperat rtre 

 Air Surface 

 Trawl or dredge 



Depth 



Cor. 



Drift 



DOWN. 



VP, 



DREDGE ROPE. 



TMiNS. 



0 



100 

 200 

 80Q 

 400 



now 



000 

 700 

 800 



111 Ml 



1000 



I 



1200 

 1300 

 MOO 

 1000 

 1G0I5 

 1700 

 isno 

 1000 



aooo 



2100 

 2200 

 2300 

 21 U0 



1HWA", 



i i '. 



