Date 

 Machine. 



Depth 



J^^, of thermometer / ^ f ^ Cor, 



Corrected t&^nperu,iUfre Zjt ^ 



ylir 5^ Surface ^ l'* Drift 



Trawl or dj'ed^e / w^^i' tii 



SOUNDING WIRE. 



DREDGE HOPE. 



■I r 



0 



100 

 QOO 

 800 

 400 

 500 



im 

 m 



1000 

 1100 

 1200 

 1800 



im 

 \m 

 \m 



1700 

 1800 

 IflOO 

 2000 

 GlOO 



mm 



3400 



-4 



