IW7- 



-MacKinfi. AVr/, 



Depth y 



Turns Vj Cor. + 

 Sltol or lead : ^ 



JJotlom temper* (f ur/} 



.Yo. of ihertnameter - * r - Cor. 

 Corrected temperature ^3 • *^ 

 Air f'y' Surface Drift 

 Trawl or dredge 



SOUN DING WIRE. 



1IX.1 

 V'JU 



300 



'id.' 

 boo 

 7tw 

 ftou 



MOO 



pbo 



IJOO 



U'JO 

 (6m 



17™ 



aio»j 



2200 

 Jjoo 



DREDGE ROPE 



DOWN. 



