-j^^^^ i- Machine, 



/cad ' ^ 



JBotUtnv iempera-turc 



Corrected temperature 

 Mr J/drfaofi 

 Traivl fH'-dipedgc 



3( 



6'or. 



DHft 



SOUNDING WIRE. 



DOWN. 



too 



H3f)0 



nofj 

 t:.'ou 

 «;50o 

 liOO 

 1500 



1700 



Iftrxj 

 1900 



JlUtJ 



230c 



DREDGE ROPE. 



nowK. 



it; 



UP. 



