f" \ 



fiM^ lead ^ \ -if 



Doitom fM , Co. 



♦/Yo. of Uwmiometdr 



Oor. 



Correct ed temperature ^^*/ 

 Mr ^ C| ,sw/«ofl 0 *1 UH/i 



, ^ vySOUNDING WIRE. 



■V/ ^ 



'' 

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TURNS. 



o 



ItXJ 



200 



..so-) / 



500 



800 



.JO.J 

 I KXS 



> 



I HJ 



( yoo 

 I9cx> 



30UU 



DREDGE ROPE. 



DOWK. 



