Tfirn^lO/l ^'^'^ 7^ 



Jiottom 



Jifrfinm fcmperiM'tt're 

 Jfn. of Hirrttionieter 

 Cnirrcaffxl levbp^ratij^r^ 

 Air \ 0 Surfaoe 

 Trawl or dred^A 



Cor, 



O Drijt 



.VI RE. 



Of. 10 



UP. 



TURNS. 



200 



400 

 500 

 CiOO 



700 



900 

 1000 



}0/l 



I'JUO 



1300 



151W 

 ]8oo 



2CKJO 



2800 

 3400 



DREDGE ROPE. 



UP, 



