>/^<^Ma(^hm.tr Red. 

 turm i^Zj Qor.-V tf / Vepifi (jo^ - 



<S7/y;/' fir ?it<irf— 



BoiLmfv t^mperct'tiire 

 .Yo. of Piermmneter^'' 

 Corrcct-ed tem perature 

 Air Surfoice 



Cor. 



Drift 



---^TiDING WIRE. 



iKJWW. UP» 



TURMK. 



0 



7W 

 600 



1 1 "X 1 



I I*-KJ» 



Urw 

 !./» 



aa<x> 

 2401 > 



DREDGE ROPE. 



DOWN. 



