jrum/SlL Cor.+ /Z Depa 



Hull on i » , .. i | J 



iiollnm I rut pi rature / I 



No. of Aherrrwm<eter $ 0 *f * ^ . fOor- 



(Jnnvctrd h i» f>. ra/ arc 



Air ? v ^ Surface 1 > — Prifi 

 Trawl or dredge 



, SOUNDING WIRE. 



DOWN. 



'* d. Ufa 



1 UJUift 



IOO 



300 



500 

 7-IO 



?.on 

 900 



1. . 



J |tX> 

 12<JU 

 1300 



1 pO 

 i<,„, 



1 fog 

 tjoo 

 2000 



aioo 



220TJ 

 9300 



DREDGE ROPE 



DOWN. 



up. 



