SOUNDING WIRE. 





DREDGE ROPE, 



DOWN. 



UP. 



HOWS'. 



Ul\ 







&QO0 











£0110 











^rou 











2S00 











2900 











3000 





















ijaoo 











BJJ00 











a.ioo 











8300 











3000 











:vr«» 

 B900 



8000 

 4<KI0 







SERIAL 'J 1 EM PER ATU RES 







NO. WFTHRH. 



con. 





25 

 50 

 100 

 300 



aoo 



•100 

 000 

 000 

 700 

 800 

 DO0 

 3 



•\ 7"* * 



$c 



^ 1 



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//// 







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