0C7. 



/_ Machine. Reel. 



$ Cor. i O Depth ^ O 0 



tiknb \ n lca<l <?y£~ JJ.^ . 



Bottom cC^k^^ .*'/v. 



Bottom temperature 



No. Of Thermometer ' ' for. 

 Corrected temperature 



.fir / Surptty * Drift. 

 Irrrwl m^drv&j** ur tangles 



SOUNDING WIRE, 



ixnvN. I 



QUO 



300 



500 



600 

 700 



Son 



1 1'CH. 

 I JOf> 



UQQ 

 1500 



Hi. HI 



17™ 



Ifioo 



r<jpQ 



.•H-. 



DREDGE ROPE. 



I'l'. 



