acn, 



Ma. 



xiD/.So3 Pott /ft.>...-, . /Qy 



Machine, 

 Tarns 7 Cor. + 

 8k*ri or lead 



ItecL 



Depth 



Hot font 



3< 



7- 



JiaHom temjwalare 

 Jfo. of ihcrrrunrveter 

 Corrected tempzratare 

 Air Sot face 



Cor. 



Trawl <*Mtw»#g» 2 wy^Jj,, $ f^^j^ j^X 



Dl 



•SOUNDING WIRE. 



DOWN. 



. Jhti 



KM - 



up. 



n/ 



•r . M 



TDTJ 



X * 



aoo 



300 



$M 



£t» 



Goo 

 700 

 Boo 



900 



low 

 1 100 



1300 

 1400 



DREDGE ROPE. 



DOWK 



UK 



7 



4 ^ 



/a' J 



