sfo, Dot/- 



Twiu. Cor. + Urplk 



Sli"l> Of /rrtrl 



JioHom tempi ru in n: 

 ,/W*. of thermometer 

 Corrected tampHratitrc, 



Jir 



S/trface 



Cor. 



Drift 



Tra wl or dredge 



SOUNDING WIRE. 



i>own. 



TURNS. 



0 

 lOO 

 2<JiJ 



400 



700 



Boo 

 900 

 1000 

 1 100 

 1200 



I JIJCJ 



IV" 



IJOO 

 tfrif} 

 I7O0 



I Moo 



HfJO 



2200 

 23OO 

 24OO 



DREDGE ROPE. 



down. 



VI'. 



■/V 



7 



