^r. 



Tti.7^i4il^rj^ Cor. -^ ^ ^(^ Depth I // ll 6 



Sflwt Oi 

 I^ottom 



Car, 



CoTTccfcd tcjtipHraiure\ 

 cT ) 

 Air ^ O 



Drift 



Trawl or dredge^ 



SOUNDING WIRE. 



a 



u 

 O 



Ic3 



TUHNa 



300 



K»00 



l6ot) 

 1700 



2000 



J3OO 

 24(X> 



DREDGE ROPE. 



ybowH. 



