.Yu. 



Tinn.< 



lh,ir 



Onu i 



A 1 -mMm f 



Shrrfr-oi' toad 



Bottom & 



&0Uom h tn/t> nil tin- 

 No. of Thrild oitn Iff 

 Currrvb tl h /„/„ nr/H r< 

 Air Sttrj'trf 



SOUNDING WIRE. 



L'F. 



1. 



J! II VS. 



|r«;i 



w& 



S0fi 

 400 



5 ,XJ 

 600 



700 

 too 

 goo 

 1 000 



I lot 1 

 lioo 

 I, too 

 i j"n 

 j 500 

 1600 

 1700 

 i*x> 



IOOU 



J loo 



;>.>(*> 



..,,„. 



My,/// 



Cur 



PMW.V 



DREDGt ROPE. 



I'P. 



