SOUNBING WIRE, 



^ M. Down. 



DREDGING CABLE. 





/7 









Ml9t 



0 

















/- 



/TV 



/ ^ 



'J © 









dt J " 



v^. ■ 









V 







if d 



if t'- 







■J 6 



























































































not) 



























700 





















































\m 



























1000 



























1100 



























ISON 



























mw 



























J400 



























1500 





















































1700 





















































lOOO 







1 





















GOOO 



























;iKM} 



























2200 





















































■i400 



























3r,m 





























































































































































:noo 



\ 



























- 







* 



























































































































\Tm 















































































tOUlJ 



























MOO 



























■liJOf) 



























m.\vt 



























1 100 



























■I'i0[> 



























14S00 



























^700 



























4900 



























•ItlOO 















