•A o. 



Hothmi icmpcratiire ^ 



f Jorreoted iemperaiure 

 Air Sitrfanc 

 Trawl or dredge 



DHft 



SOUNDING WIRE. 



DOWN. 



UP. 



SAa.o 

 ^30 A 



if 



^1^ 



I "JO 



?oo 

 300 



Soo 



Octo 

 VW 



goo 



1 too 



IU<XJ 

 1400 



■ifxi 



DREDGE ROPE. 



32O0 



2400 



