/.AV 



Tumc C •'' Cor. + 

 Sliot or lead, 

 fiottom- 



Vnttiam ttfty/poradwn 

 A a, of LUrrmoPwter 

 Corrected temperature 

 Air £fc />>// /,,, , 

 Trawl or dredgr 



ball 



Mnvhlm Ibd. 



ft 



SOUNDING WIRE. 



Wl'. 



10 



/Aft 



TURNS. 



3CKi 

 3O0 

 400 

 SOU 

 »„>, 



?» 



900 

 IOOO 



|tOQ 

 MM 



|Q 



1 5W 

 1700 



U4«x> 



GE ROPE. 



I/OWN. 



» Ml 



