.Vo. Ditte 



Machine. 

 Turnr, Car. 

 Shot j\\ IfWU {) 

 Hot In hi t 

 lUtttnih tctnjurhhirr 

 of Tharmomttter 



i '<>/ rrch rl I , /jt r<tlu rr 



. fir Surface 



Tnui'l or iLitii'Jf nr tan* Irs 



Reel 



SOUNDING WIRE. 



H>ltN<J. 



o 



tCXf 

 20O 

 JOO 

 400 



5OU 



TiUii 

 700 

 M> 30 

 ijoo 

 moo 



1 I r x j 



»aoo 

 l jtx> 

 i.joo 

 1500 

 iTioo 

 1700 

 I $00 

 tgqo 



2I0O 



J (01 I 



Depth 



Cor. — 



DREDGE ROPE. 



J- «V, 



{IP. 



