Dal* 



Machine — /i>W. 



Tu.rn.s Cur. I 



Bottom 



lint Linn %i ni/jcrature 



No. o/' thermometer Cor 



Corrected Inm/jo/at tire 

 *>lir $ Surface 

 Trnirl or tlr< .1 



Drift 



(SOUNDING wine. 



g 



200 

 JW 



500 



0» 



700 



too 



()OU 

 tl»*i 



IJ/» I 



IJOO 



III.. 

 1;,.. 



I Ago 



*|(AJ 

 220U 



.' - 



DREDGE R( M M 



