isn. 



jYq. Date 



Machine. 

 Turrit Cor. 4- 



&%ot or lead 



Jiotiotih tvnvperahwre, 

 of tJtermotriefar 

 Corrected tejnperature 

 Mr Surface 

 Trawl or dredge 



Reel, 



Depblb 



Cor. 



Drift 



SOUNDING WIRE. 



TO HNS. 



DREDGE ROPE. 



DOWN. 



UP. 



DOWN, 









o 











luu 











200 











400 

 500 

 600 

 700 











































Sou 











\po 



JtXXJ 



















iiOO 











I2UO 











J 3OO 

 J J OO 

 !5<x> 

 1600 



































1700 



l=fiK. 





























aow 











2100 

 2200 



















1300 











3400 







I 371 



