Turns r- ^ ^^^/'^ ^ ^ ^ 



MoUorn ^''it^fTfnu 



Mvti^jm temperature. 



J^o. of thernKfrn-eter / u t 

 / If 1 1 

 Corrected temperature ' 



Mr I j Sur/aoe j 



JJrift 



r SOUNDING WIRE. 



bowN 



t Ml 



TURNS. 



( II,* f 



t r 



luoo 

 noo 



J ytxi 

 J8ua 

 iguD 



iJOU 



2JtX> 

 2400 



DREDGE ROPE. 



UOWN. 



