liati- ' . 



/ 



Affirhitir. ' Ui'tsl, 



Tiwm J ('>>> 

 JioUum 



JJoUam temperature — 

 J^o. of Th(^rmometer 

 f 'orrrvh'd trrufierattvre 

 Ji/ Swr facts 

 Tvnwl or (Irfidjfe or tangles 



SOUNDIN G WIR E 



if .' 



('.. 1. 1 

 4"" 



1 )l Ml 

 IHX-H) 

 I I CV> 

 I JlHl 



I irio 

 1500 



r*<<xi 

 ♦ 7» lo 

 iKoo 

 I 'j'j^j 



3UCO 

 i!tt»J 



Depth 



Drift. 



DREDOr ncw'v 



KOWN. 



