IJiiUiiith temperature 



Vo. uf IJLunrwtneter 1 (7c>r. 

 Currccind Umpttraturt> ^ J^^^^'H 



> SOUNDING WIRE. 



DOWN. 



111*. 



DREDGE ROPE. 





OOWK. 



U 







— 



700 



1 











JUIXJ 





1 1< ■ 1 













U(MI 

























atcK| 





i 





24^> 





