Machine. £/2tesL 



—S r /rfJf.~or lend 



Bo(U*nh lent pt m i tire 

 .Yu. of tiu-nntnnt Ur 



Air Surface 

 Trawl or dfedgn 



Gar. fQ*\ 



IrawL or art 



UNDING WIRE. 



7 



Ul'. 



300 



400 

 500 

 600 

 7cx> 

 aoo 

 900 



IOCKJ 

 1 100 



1200 

 1300 



I I'M 



I500 



rOoo 

 1700 

 1800 



MOO 

 j 1 1 » > 



22* JO 

 9400 



DREDGE ROPf 



UP, 



DOWN. 



