an. 



JVb. '^f- y ^ ^ flak 



Machine, lied. 

 Turns Co/\ ± Depth 



Sh ot, or lead 



-ft. J 



lirrttom teinparatitra 

 jW>. 0/ ihrrmajrheter Cor. 

 Corrected temperature 



J&r J>Y Sitrfaee Drift 



Trawl or dredge 



SOUNDING WIRE. 



IJUWN. 



IOO 



400 



f if-; 



TUKNS. 



700 



1000 

 1100 



IHOO 



yjgg 

 141c J 

 1500 

 1O00 

 1700 

 rSou 



20O0 



9160 

 220a 

 2300 

 gjjOjO 



UP. 



