Vnto 



Machine Reek 



Tlfftft* Cor. -f 



. Jm ^^^^^ 



flhnl or lead 

 I : olio hi 



Ifoltoin temperature 

 No. of bluiniKtitmter 

 Corrected temperature 



Surfaru: 



Depth 



Air 



Trawl of f i t D tigc 



SOUNDING WIRE. 



■ TV* ft. 



Cor. 



Drift 



IIJJtSK 



O 



— ' c • 



-votr 

 300 



S<*> 

 900 



IQCXi 



lltx> 

 II'" 



I i>*> 



I .1 » I 



1700 

 H)o0 



vooo 

 •.'l.jn 



2JO0 

 240T1 



DREDGE ROPE, 



JJOWK. 



I 



MP. 



I bll 



