.Vn 



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Turns ' 



.Yo. of tfuirrnonhGter ^ S y 

 Trawl or dredge 



Cor, 



Dnft 



SOUNDING WIRE. 



0 



I 



\ 



o 



300 

 400 



700 

 1 y>j 



I • I M 



|U>r> 



I ■ MJ> 



DREDGE ROPE. 



Down* 



