Vb. 



TVer/M Cor. 4^ . DepOi^ 



Yo.of thcrrnomeier f ^^ ^ - ^^ ^Cfer. 



Air ^ SnrfaM 

 Trawl m^ f ^g t 



SOUNDING WIRE. 



OOWK. 



. 'tlX^I nocn/ic DADc 



7ut) 

 Sou 

 900 

 fOOO 



TTOO 

 I JCO 



1500 



1700 

 iBpo 

 190U 



t-6Tl 



