Tw/is Cor, + 



SJtot er-ictzd v— 7? L 

 Bottom A >pw . 

 Ilattom temper fipt&re 

 No. of thrrmom&Uir 

 Corrected temper ature 

 Air * X, 



Trawl or dredge 



Cor. 



Drift 



SOUNDING WIRE. 



ffSlz* 



TURNS. 



a :,Vl 



100 



200 

 300 

 400 



♦sir 

 500 



Gqo 



700 

 /- Hoo ' 



900 

 1000 

 I trjO 

 [WO 



M r >J 

 150O 

 I0OO 

 170O 

 J 800 

 I9OO 

 7000 



3 TOO 

 3200 



2400 



DREDGE ROPE. 



IJOWN. 



V 



