vy^ j^i- Maehinii, - / BmI. ' f ^..^ 

 n*r/w> .-.i- ^ Cor. + /^g I)(>.pth J.^-^ 



Hobtom. lempera^^iire vJxT/. 



0/ fJwn/mrtteter 3 ^ - ^* *^ ' 



Corr voted temp^rmtwrc' JsJ^* I t 



Air - Snrfa^. - />ri/lft 



Trawl or dredge 



SOUNDING WIRE. 



• - > 



7 



13 3 0 



•-«71 



TURNS. 



700 



300 



■1' 



n4K} 



III 1/1 

 1200 



J 51 K J 



1700 



1600 



I y 



2000 

 3 1 00 



23<X> 



a 300 

 3400 



DREDGE ROPE. 



DOWN. 



