J^mt^r lead. ^ ^ ^ ^Z"* • ^ 



BoUotn Umperaturt^ r * ^ 

 M. of tJienufOmeUr /^J^^d ^ Cor. 



Corrected tetaperaturt} *} 3 ' ^ 



Air 77 



Drifb 



Trawl or drtdjfc 



DOWN. 



SOUNDING WIRE. 



UP. 



r«Qo 



•/*(} 

 louo 

 UiX) 



taoo 

 f30o 



isoti 

 lOoo 



IQOO 

 'JlOO 



DREDGE ROPE. 



OOWK. 



