Date 



Jfo, 3 / v. / / , 



Machine. OBeL 

 2'urn* / Z \s Cor. t 



Bottom 



lit, Hum temperature 



I hi 



Ur.fi Ui. 



7 



A ", of thermometer ^ Cor. . J 



f.'orrrr/, ,/ temperature A 7 . 



7W/M-'/ »r rlrrdrtr 



SOUNDING WIRE. 



im IW N 



t/l'. 



2,3 I t-t 



1 1 1 



J I r < 



tn<M 



1 



V 



1 



| I M M I 



|i00 

 M<ju 



1 !)''JU 



1700 



t&JO 

 «)OfJ 



■iOQ 

 uoq- 



•MM! 



DREDGE ROPE. 



UQWft, 



VI'. 



Si 



