i&4*4<*<> Machine. / 

 Tunis 7/ Cor. -f 'f 

 S'hot 

 Bottom 



Jhtiioiib Irttiptrrtfurc o j 



,Yo. of Un rntom ctrr Cor. 

 Corrected trm prraturc 



Air 77 l > ri/ t 



Trot oh or dredge 



Kf SOUNDING WIRE. 



y y DOWN. 



up. 



if \ i 



J7.W 



1 V71 



-n 



100 



500 



300 

 400 



.MKJ 



800 

 lono 



i too 



1 -*iX> 

 I $06 



MOd 

 ( gM 

 iimo 

 1700 

 l&oo 



71 H » I 



MOO 



I .■•»■< 

 2300 

 2400 



DREDGE. ROPE 



DOWN, 



UP. 



