11— tlfltt 



Heel, 



Machine. 

 Tilths ——@t>i\ -\- 

 JSJtot or lead 

 jfoUout 



linUoiH U nipt, rain a 



No. of thermometer 



Correrirti inn fwnit u re 



Air V * Surface Jpy 



Trawl or dr&igo ^ ' (^> /; ^ v \ 



4/ 



Depth %p **4\ 



Cor. 

 Drift 



SOUNDING- WIRE. 



*TITIt V-C 



DREDGE ROPE. 

















0 



tfc - / Z 



___ 







100 











soo 











300 











400 













W \J — ._ 









000 











700 











800 











(Km 











1000 











1100 











1200 











iaon 











1-300 











1600 











1000 











1700' 











1UO0 











11 











2000 











atoo 











3200 











2800 











2100 







