Turns ?^ Cor, 3 

 Bottom 



Bottom Umpisratur^ ~ ■ 



Jfo.of th-ermonidter 



Corrcet'Od tcm'P*yratt4>rc - — 

 Mr .Surface 

 Trawl or dredge - 



, SOUNDING WIRE . 

 tiowK. I in*. 



1' 



-'1 



200 



300 



eu»> 



I new J 

 ttm 



1300 



suoo 

 2400 



Depth A 



Cor. 



J>r£/1C 



DREDGE ROPE. 



UOWN. 



OP. 



