0^-VV*\i-^ Machine, ^neL ' 

 7Vi^r«4 7*^^ ^'^''-'^ ^ Depth f^^"^- 



'UpokM' had 

 fivUotfh >M • 



11 



Air SaiffMic 



Trawl or drMjfr- 

 ' SOUNDING Vmi 



Cor, 



Y^U Vnft 



t-ffi 



Iff. 



■it 



\ 



too 



400 

 5(W 

 600 

 TOO 



tf» 

 loop 



C40O 

 iJlOO 



1(00 



(TOO 

 1900 



SIMM 



2400 



nowjc, 



DREDGE ROPE^ _ 

 0». 



