JVo. 



Machine.. JUtl. 

 7Vf/vwf b y> Cor. + .v2- XtepM 

 MutL-or lead J?/f 



iUtllom h mpe.ra.ttire, 



No, of therTnonwter ^/y 'O' 

 Surfaoo 



Corrected Utttopera lure. 



Air 



Trawl nr dredge 



SOUNDING WIRE. 



DOWN. 



N 



UP. 



i I I'. ,. 



:h)0 

 ;ioo 

 400 



500 



800 

 !■ - -j 



1 too 



I tfl ' I 



I J 00 



I.lfX> 



if,tXJ 



1 TOO 



IN.m 



JIOO 

 2:r» 

 230U 

 I40Q 



Cor. - / 

 hnfi 



DREDGt KOPI 



DOWN. 



UP. 



