/To. 



JJaU 



Machine, JUv.L 



Ttcms Cur, 



Mr SttrfacG^ 

 TtntH or dredge 



SOUNDING WIRE. 



2K» 

 TOO 



1000 



1300 

 (400 



isoo 



1700 

 1800 



tfOCM 



S9U0 



J)r/dh 



Cnr, 



Drl/t 



DREDGE ROFE. 



liOWK, 



