No. Bate 



Machine. Reel. 

 Turns Cor, + Depth 



ffihol or lead 



Jiotlorth teinperatuvti 



.>Yo. of thnn/wmr,ter Ca 

 Corrected temperature 



Air Surface, Drift 



Trawl or dredge 



SOUNDING WIRE. 





DREDGE ROPE, 



DOWN, 



UP, 



TURNS. 



DOWN. 



UP. 







TOO 

 POO 

 300 

 400 







































700 

 9O0 























IOOO 



IIOO 



1300 

 I30O 



iaoo 

 1500 



t?oo 

 1800 



li/JO 

































2000 











2 IO0 











a 200 

 2300 











2400 







I fi7l 



