11-1023 



Machine. Reel. 

 Ttim$ Cor.+ Depth 



Shot or lead 



Bottom y^, ^^^^IJI^ 

 JJoUttut tempera tu rr 

 No* of thermom eter 

 Corrected temperature 

 Mr V / " Surface *rf 0 



Trawl or dredge 



Cor. 



Drift 



SOUNDING WIRE, 



DOWN, 



VI: 



'fl TLX-. 



DREDGE ROPE. 



... /^.. 7 



0 

 100 

 200 

 300 

 400 

 000 

 000 

 700 



ooo 



1000 



lion 

 run 



1300 

 1400 



I.' 



1600 

 1700 

 1800 

 1000 



eooo 



■i 



2200 

 2300 

 2-100 



7 



- JO 



f 



