liotiom tcmperaiiire 

 jVo. of th-crnwjfhct^r 

 Corrcnied iemperaiittre 

 Air Surface 

 Trawl or dredge 

 ^'^jg,^ ^ SOUNDING WIRE. 



Tur,u,((-Cfi> C^.-^ Depth f tSH /M ii" 



^0 



Cor. 



Drift 



tKm». 



c 



,-0^ GC 



TUILNS. 



«o<.> 



J<J«XI 



I I'Jti 



iCioo 

 I7txi 



1900 



souu 

 aioo 



a 300 

 9400 



DREDGE ROPE. 



DOWK. 



UP. 



» 071 



