Z^yyy] ( i Matiht'ne. HecU 



Turns -^C/ (^f'- ^ J>t^f*^^^ ^/ 



tSkul tu* IrMd 



MfdloiitAvithpenUitrn kT'I- - 



Jfo. of ThennrumHer Q / Cor. 



Air Swr/aur JJrift. , 



SOUNDING WIRE 



Mm* 



\iUfCt 



1 200 

 1.100 



I V J" . 



1500 



(7 HO 



1 91 III 

 iWO 

 BlOO 



i4<» 



DREDGE ROPE. 



