Daft 1 



yj fisi*s * y +J*\' Machine. - iCfid. 

 Tunis -■ Cor. - Depth 



•ShxrtrUr lead Wi 

 Bottom v^'\S, 

 Bottom It mpt't at tin 

 No. of TJi-ennotnch r 'i Cop. 



Corrected, t< inj>< i-'iturc ■ r 

 Jir Su.rfaoc Drift. 



Trawl or drnlur »r tai,<jh < 



SOUNDING WIRE. 





DREDGE ROPE. 





| up* 



TDKXS. 



powv. 









( ( 



J 00 











ZOO 

 300 



400 











500 











trOi | 











700 











Soo 

 iji * 1 











luGO 











1 100 











I20o 











IJOO 











1400 











1500 





















1700 











iKOU 











I'JOO 











200O 











2100 











2^(> J 

 2J00 

 2400 







