.-.',7. 



<3*l^/*Jj^ ^Machine, 2, Reel.V 



Turns [p2 o Cor, 



tHwL*r lend 

 lUiiluin temjtcruture 



/ 



JVo. of Thermo meter O y J*/ Cor. 

 Corrected famperaiure 



Jir hCf tiu farc J Drift. 

 Tr/tir/ or drwl»i or I tin glen 



SOUNDING WIRE. 



3 .1 



UP. 



; '•/ 2S\ Ljijo 

 3S t Ht HO if 



400 

 500 



GoO 

 700 

 800 



j 1 ,11 H i 

 I I0O 

 1 .'i •< 1 

 I JOO 



141*0 

 1 V »' 



I'll H., 



1 " 1 

 l8ou 



rpoo 

 tree 



DREDGE ROPE. 



