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f % j cJ Machine. 

 TttAs flit <'<>''. i If j 

 SlutiriH* lead J £ /fa 

 Bottom 49 mj L 

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Drift. 



SOUNDING WIRE. 





j \ ./.-, DREDGE ROPE. 





UP. 







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200 



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400 



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 700 

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1600 











1700 

 l8<o 



2000 



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 1400 







