, MaohUte. JteeL 



Ttirnif (,} C (^^)r, t Depth \^ O 



Sditth or lead , 



nnUom t-^, (' 



JioUom temperature ^ . 



jYa. of Th^.rfiwm^^cr C J ^ Ctor. - 



Corrt}ated teinpemttire * 



Trawl or dr^dj^c or lanj^len 



SOUNDING WIRE. 



Ul». 



o 



ItM 



JOTJ 



Ooi> 



7"' ' 

 Hug 



•JiLHJ 



1100 



I JIJO 



I lo-j 



tSoo 



|if>00 



am 



3300 



DREDGE ROPE. 



