JVo. 



7 W 



'Machine 



Bottom temperature" ^s3~T'i0 



. V V>. thermometer < V Cf 0 r. * ' ' 



(Uu- reded tejthperalnre 3S~' f 



Air Surface- £ . Drift 



Trawl or dredge 



SOUNDING WIRE. 



DOWN. 



VI'. 



/ 6 • 



/ 



fa 



TURNS. 



yoo 

 3O0 

 400 



t,<K> 



600 

 700 

 600 



I/jG 

 It XX) 



noo 



IJ<XJ 



J 300 

 iooo 



IfOO 



itoo 



1700 



tfloo 

 it** 



aooo 

 2100 

 a 21X1 

 2300 

 2400 



DREDGE ROPE 



DOWN. 



st y 



t 



