JVDT 



Machine, 

 Cor. 



Txjbinifi 



BfMoTit' 



BoUt^ih tciYip€>r€Lt-vbTe ^^^^ ^ 



Jfo, of thenthomeier / Q ^TH^^' Gar. 



Corrected tem>peratim ^ fi^ 



Air S'i ' Surface * l^rip 



TrUfWl or dredge t 



BOUNDING WIRE. 



UP. 



0 



100 



eoo 

 m 

 m 



1000 

 1100 



nm 



IBOO 

 1400 



icoo 

 \m 



1700 

 ISDO 

 1000 



sooo 



3100 



syoo 



2400 



T^REDQE HOPE. 



DOW. O 



/J- 



