Maohlne-, IUel» 

 nims f*r Cor, + / Depifb fj^ 



S)t4ffr fjr -had ^^Jf^ 



Jiotiom UmpuraturA 



of Hien/mtiUer Oar, 

 CorrcMsd Uf/hporatum 



'Air (Slfi^r/aoti ^ Drift 



Trawl or dredjgn 



tlU^ DOWM. 



SOUNDING WIRE. 



ITT. 



t-4rt 



j6 



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£00 

 300 



loo 



900 



tioo 



l3o»j 



1500 



1700 

 KbOU 



a4orj 



DREDGE ROPE. 



OOVfH. 



