Jtun.s L'o/\ H Do /ilk 



lead ^ ' ~ 7/ 



iSottom , 



Jjottoin (eifiperaiure 

 Xo. of Thennntmior fc ^ '^'^ / ^^r, -f J 

 Correclad tcmptiraiure A' fjC^ 



Air Sm fdcv Drift. 



Trn frl nr dredge or taufias 



DREDGE ROPE, 



SOUNDING WIRE. 



|<wi 

 JUCP 



51 «<» 



700 

 8(j*j 



i 11*0 



1700 

 I.Sno 



l'"WN. I 



01'. 



