M7. 



Machine. 

 Turns Cor, i 



,s'A/// or lead 

 B ot t o in 



lio6lum teniporaturtt 

 »Y«» of Themovvcter 

 Corrected tcnipcrfUnro 

 Air ^tt.rfaco 

 Tniwl or dredge or trmj^fi^ff 



Ucel. 



SOUNDING WIRE. 



100 

 MO 



JOO 

 400 



500 

 600 



800 



ijOO 

 ttJtXJ 



I }<n:» 

 I /u<> 



1.^00 

 i.|UO 



1500 

 lOoo 

 17UO 



noo 



23tX) 



Con 



Drift. 



DREDGE ROPE. 



tX)WN. 



