m 



JVo. Date 



Machine,, Reel. 

 Turns Cor. + fieptfi 



&hot or Inad 

 iioiUmt 



Jf of, torn temperature 



jYo. of tii&rmom&ler Cor. 

 Corrected temperature 



Air Surface Drift 



Trawl or dredge 



SOUNDING WIRE. 



— . — 



DRELDGE ROPE. 



0O WW. 



UP. 



TURNS* 



DOWN. 



CP. 







O 





















TOO 











300 











40O 











500 











too 











JN N 1 











800 











900 











looo 











tioo 





















1300 











iJOO 











1500 











1600 











I7<X> 











1800 











1 • .,' , 1 











20CJO 











n 100 











2 2QQ 











2300 











3400 







1 r.71 



