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Machine, 

 Cor. + 



tftvt or had 



^i&.f. tin U. 



Bottom 



lUtilom it tnpcniltiri'. 

 > Yo. of Uwrmtnm in- 

 Corrected ft h>f>< rnfnrc 

 Mr St i rfaoe. 



Trawl or dredge 



Cor. 



Drift 



SOUNDING WIRE. 



r»owN. 



UP. 



•1 il|:S'. 



P 

 luO 



300 

 400 

 Snri 

 1 .< » ) 

 700 

 800 

 .,v, 



1 100 



I'JOO 

 JJOO 



» 



t<MJ.> 



1 



1 rf> 

 1 (;<xj 



DREDGE ROPE 



DOWN. 



UP. 



t-ATi 



