Turns 



Da 



Reel. 



Depth 



Cor. + 



^ ft 

 Slu>t or lead ■ • 



Button* temperature ^r^J' 

 No. of tlwrmomete]/ f $ /' Cor. 

 Corrected I 

 Air W Surf aw. Drift 



Trawl or dredge £f 



SOUNDING WIRE. 



DOWN, 



r 



UP. 



i 



2QO 



300 

 400 



500 



600 



Boo 



900 



IOOO 



1 100 

 1200 

 1300 



1500 

 j 600 

 1700 

 1 Boo 

 1700 

 2000 



JUX) 

 2HIXI 

 23OO 



PrEDGE rope, 

 down. 



up. 



